The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. In 2014, Mercedes introduced a biturbo version of the NA 3.5L M276 V6 - the M276 DELA35 or DE35LA engine. You need air and fuel for an engine to work. Tuning the Mercedes M272 and best M272 performance parts. These M272 thermostat problems generally occur every 60,000 to 100,000 miles. M276 DE 35 LA - 333 hp (245 kW) at 5,250-6,000 rpm, 354 lb-ft (480 Nm) at 1,200-4,000 rpm. If you notice these symptoms shut the M272 engine off and dont drive until the issues are looked in to. The M112 engine lies at the base of M272 engine design. Research these limitations and upgrade to better pistons and crank to handle the power. There are three gear chains, each of which is equipped with hydraulic tensioner. Bore and stroke dimension is 92.9mm 86mm (3.66in 3.39in). The Mercedes-Benz M272 engine is a V6 introduced in 2004 and used throughout the 00s. Continuous VVT was adopted for the first time. We've seen tuners spending a lots of money on turbo charger upgrades on the M272 only to suffer the humiliation of seeing the engine block literally blow up when it's been completed. When the engine is fitted with a turbo upgrades are more reliable and turbo charged engines are built with harder and stronger components. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. ["link_instagram"]=> Engine thermostat problems are likely the most common problem on the M272. Race cams, raise the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Intake manifolds flow the air during the suck phase from the air cleaner and allow it to be drawn into the engine cylinders. Trav Joined Nov 20, 2006 Messages 29,473 Location MA, Mittelfranken.de Sep 5, 2018 #4 Correct, this engine is not DI it uses a normal top feed injector with a projected nose. Introduced in 2004, it is based on the M112 V6 introduced in 1998. When parts begin failing on the M272, air-flow may be uneven or inadequate. A Competition camshaft will just annoy you whilst in heavy traffic. Can driving habits (dont rev the engine, just gradual acceleration) and frequent oil changes mitigate the balance shaft wear? 350 CGI V6 (M272) +45 70 109 109 An intake manifold problem is apparent thanks to the plastic actuator to control the variable inlet and if this fails we suggest you source a metal one, rather than the weak plastic unit Mercedes offer. Choosing a higher performance cam profile raises the torque accordingly. All M272 engines have aluminum engine blocks with a 90 vee angle with silicon/aluminum lined cylinders. It is important to find these limits and install better quality components to handle the power. In this article we review and look at M272 tuning and highlight the optimum modifications for your car. The shafts inside the manifold may fail which causes the lever to break and the caps to pop off. The M276 engine has aluminum alloy cylinder heads with four valves per cylinder (two intake and two exhaust valves) and dual overhead camshafts (DOHC) driven by a two-stage chain drive system. Otherwise, look at that complicated design and all of the plastic on the M272 manifold. A visible leak is a dead giveaway and can often be the only noticeable symptom. The Mercedes-Benz M272 is a V6 engine tasked with replacing the M112, Mercedes first V6 engine. It is one of the most costly upgrades but provides the best gains. (All car owners of all ages and from all countries are welcome). All have forged steel connecting rods, one-piece cast crankshaft, iron-coated aluminum pistons and a magnesium intake manifold. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content, and to remember your preferences and settings on this site. The two small black caps are one place youll want to look. M273 engines were based on the identical M272 V6 introduced in 2004. There are repair kits out there. Like the M112, a balance shaft is installed in the engine block between the cylinder banks to deal with vibrations in the 90 degree V6 design. Adding NoS nitrous oxide to boost power gains. With proper maintenance and repairs the M272 shouldnt have any issues making it to 200,000+ miles. Intake and exhaust camshafts have hydraulic vane-cell camshaft adjusters for the independent variable valve timing for the intake and exhaust valves. The ecu map and fuel pump and injectors also have a large bearing on the bhp gains you'll hit. Not too bad, however the labor is the real issue. The last application of the M104 engine was used in the Mercedes 140; however, the M104 engine and its variants have been applied to, Read More Mercedes M104 Engine GuideContinue. The M276 V6s are good, reliable engines with not so many issues. Remapping Diesels For 2015-2016, Mercedes offered a higher output version - DE30LA AMG. We have a policy of actively enforcing our copyright*. A preliminary settlement was reached on April 8, 2015,[8] which would see owners compensated for up to 70% of the cost of the repair. { "@context": "https://schema.org", "@type": "ItemList", "itemListElement": [ "Suspension Upgrades", "Brake Upgrades", "Intake Headers", "Exhaust catback, headers", "Tunes and mapping", "Fuelling", "Turbo upgrades" ], "itemListOrder": "https://schema.org/ItemListOrderDescending", "name": "Best Tuning Mods" }. Most engines in the new series are turbocharged and only 3.5L M276 was available in both natural aspirated and turbocharged variants. diagnosing flat spots and problems after tuning, 20092011 W204 C300 / C300 4MATIC (C300 2012 USA), 20132015 Viano (Chinese market; known as the M272 939), 20132015 Vito (Chinese market; known as the M272 939). That said, the M272 isnt a terrible engine by any means. The available tuning components address all aspects of the engine and represent a Stage tuning concept ranging from K1 to K3. In 2017, we campaigned an M272-equipped C300 in the AER series. Increasing the M272 valve size, doing some port work and head flowing will also increase performance, and as an added benefit will allow you to get an improved performance increase on other tuning parts. ["blog_id"]=> string(24) "https://www.kleemann.dk/" Mercedes M272 are popular engines and with the right performance modifications like remaps, turbo improvements and camshafts you will improve your driving enjoyment. Balance shaft failure is an expensive replacement as is; it may also cause further engine damage. Some even consider the M113 among the brands best engines. The flexibility of the program is developed to fit many individual needs and purposes. 3520 Farum A Race camshaft makes it harder when on the daily commute. Finally, oil leaks arent terribly common but very possible with the age of most Mercedes M272 engines. agreement and accept that the juristiction of the UK courts applies. - Vehicle and engine preparation for test. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. Its quite the exhaustive list. 2729.30 468993) when the gears were made from a stronger material. The ecu map and fuel pump and injectors also will say much on the power gains you'll achieve. (Filed on 4/8/2015)", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_M272_engine&oldid=1093746213, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 18 June 2022, at 15:39. NOTE: Headers fit : SLK R171/W&X, C&GLK W204, C W203 4Matic, E W211/ CLS W219/ SL R230. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. We actively enforce our copyright This is a NA 3.5L engine, detuned version. +1 719 473 6441 Porsche Boxster 2011. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor sapped power at a much lower level. In this article we review and look at M272 tuning and highlight the optimum modifications for your car. ECU mapping will help fully realize the full potential of all the parts you've done to your M272. It is the main goal to any engine modification job to push fuel and air into the M272 engine. Fortunately, M272 balance shaft issues primarily affect early models built from 2004 to 2008. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. You only need to to improve your exhaust if the current exhaust is creating a restriction in flow. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). Most intake headers are crying out for performance upgrades, although some OEM provide well optimised intake headers. This is less common, but a very serious problem. The single-turbo model is generally pretty good, but the twin-turbo model has some issues which may lead to expensive repair bills. Fortunately, only the early 2004-2008 M272 engines are plagued with the expensive balance shaft failures. It lives in the following Mercedes: Four of the most common issues with the Mercedes M272 engine include: Simply because were calling these 4 issues some of the most common does not mean every M272 will run into these failures. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. Ensure this repair was tackled previously and done correctly. Please help us improve these tips by sending us your feedback in the comments box below. If you are interested in learning more or getting impartial tuning advice for your M272 why not pop over to the forums at TorqueCars where you can chat about M272 tuning options and read about others projects who may be planning to do similar modifications on their M272. Email, Rugmarken 27b Finally the uneven air-flow may cause rough idle. Anyways, lets jump in and discuss each of the above M272 problems. Zach has written over 400 automotive articles and continues to be a lead writer for TuningPro. Oil leaks arent a terribly common problem with the Mercedes M272. Join our forum today and benefit from over 300,000 posts on tuning Compression, on the other hand, is reduced from 12.2 psi to 10.7 psi to accommodate the turbocharger's increased pressure. feature on twinchargers if you want to read more. Our advertising partners also use cookies. Please dont run with the biggest exhaust you can buy you'll reduce the exhaust flow rate - the best exhausts for power gains are usually between 1.5 to 2.5 inches. Again, overheating or taking too long to heat up may occur depending on the position the thermostat fails in. This M272-series, multipoint-fuel-injected engine made 228 hp. Belgi. The M272 is available in three displacement sizes, namely 2.5, 3.0, and 3.5 liters. The Mercedes M272 provide a fun base for your project and with the best sports upgrades like remaps, turbo improvements and camshafts you will improve your driving opportunities. However, no engine is perfect and there arent any exceptions here. On most factory exhausts you'll find your flow rate is good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. Denmark and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form, Mercedes M113 V8 Engine Problems, Reliability, Specs. Up to 340 HP and 400 Nm (296 lb-ft) of torque. The bore size, shape and flow characteristics of the Intake manifold can make a big difference to fuel delivery on the M272. The E30 is a 3.0L (2,996cc) version. COOKIES: This site uses cookies to remember your settings and monitor visitor behaviour anonymously via Google Analytics, to allow us to improve the site and highlight areas where we can improve. Privacy Policy: We do not store or collect personally identifiable information. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide - Vehicle evaluation - Transaxle preparation for test. Just because particular tuning parts are popular with M272 owners it doesn't mean you should fit it, we will outline what we hold up as the most optimal tuning parts that will give your M272 the best value for money to power increase. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to this engines design, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. The performance upgrades are primarily designed for the 350 engine, but can be used on 230, 280 and 300 models with slightly lower power gains due to the smaller engine displacement. Leave a comment and let us know! . Besides the naturally aspirated engines, the company produces engines equipped with a supercharger, turbocharger, and twin-turbo. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. Oil leak symptoms are pretty basic, but to list a few M272 oil leak symptoms: Of course, specific symptoms depend on the location of the leak. Save my name, email, and website in this browser for the next time I comment. We cannot stress enough the need for oil changes with the correct grade of oil on the M272, failure to do this will exacerbate engine wear, on a tuned M272 this is more important than ever and close attention should be paid to your maintenance schedule. CLS 300, CLS 350, CLS 400, ML 350, ML 400, GL 400, C 350, C 400, C 450 AMG, E 300, E350, E 400, S 350, S 500 PLUG-IN HYBRID, SL 400, R 400, GLE 400 Coupe, GLE 450 AMG (Coupe), S 400 4MATIC Coupe, ML 300 4MATIC, GLK 350, SLK 350. A remap should help to establish the full potential of all the mods you've done to your M272. 02 720 02 54. International: +32 2 720 02 54. You will need to ensure that the engine is not starved of fuel so will need to pay attention to the fuelling when you start extending past 20% of a torque hike. The compression ratio was lowered to 10.5:1 and turbochargers were tuned on higher boost. My engine number is 272964 30 530260. This entry was posted under Makes and Models. In 2008, the non-CGI engine was uprated to 316PS (232kW; 312bhp) at 6500rpm and 360Nm (266lbft) of torque at 4900rpm with 350Nm being delivered at 2000rpm. This can cause check engine lights and fault codes. Sunday..Closed, 2101 Bott Ave We should also note certain years or models may be more or less susceptible to the problems we discuss. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft. #2. Decat pipes (NB:catalysts reduce harmful engine emissions) is illegal in most countries and regions. The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. This engine was offered for the Mercedes-Benz C 450 AMG (W/S 205), GLE 450 AMG (W166), GLE 450 AMG Coupe (C292), and S 400 4MATIC Coupe (C217). Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Mercedes installed a balance shaft on the M272 to help combat these vibrations. Mercedes also offers multiple variants of the M276 - a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Suspension setup and suspension settings and fine tuning. However, given the age of the M272 oil leaks can and do happen. Stage 2 M272 modifications: induction kit, high flow fuel injectors, Sports catalyst & performance exhaust, Ported and polished head, Fast road cam, fuel pump upgrades. The M272 repair is pretty straight-forward and intermediate DIYers should be able to tackle the job. "All you need to know about tuning the Mercedes M272 engine!". To keep us running PLEASE Donate here. Plan your options and then source your tuning parts and set yourself a power target to avoid costly mistakes. Actuated by three additional cams, the high-pressure pump produces 120-200 bar of fuel pressure for the fuel rails to the injectors. All prior 6-cylinder engines from Mercedes were straight sixes. Read More Mercedes M113 V8 Engine Problems, Reliability, SpecsContinue, The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. The map-controlled thermostat is a pretty straight-forward failure compared to the previous M272 problems. If the M272 manifold swirl flaps travel through the engine they might take out some internals in the process. They also help the scavenging effect of the engine. Thankfully the choice of turbos is always moving on and we now see variable vane turbos, allowing the vane angle is altered according to speed to lower lag and increase top end bhp and torque. Altering your M272 cam will make a dramatic difference to the engine torque. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. (All car owners of all ages and from all countries are welcome). . Motorsport cams, increase the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. We've seen car owners spending a loads of money on turbo charger upgrades on the M272 only to experience the engine go up in smoke soon after it's been finished. Sign up now!!! Please watch this video and subscribe to my YouTube channel. By using this site you agree to be bound to this The 3.5-liter engine came to replace the old M112 E32 and M112 E37 engines. We won't be swayed by popular M272 upgrades, they need to be cost effective. (170 kW; 228 bhp) at 6000 rpm with 300 Nm (221 lbft) at 2500-5000 rpm. That was the M276 which was in the 2012. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes impressive power gains. feature on twinchargers if you want to read more. Carbon Deposits on The Inlet Valve 5. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes excellent power gains. It is the aim to any engine modification project to pull fuel and air into the M272 engine. request your sites removal from the search engines and place a formal complaint The air-fuel mixture ignites by a multi-spark ignition that creates up to five sparks per cycle. The 3.0-liter version was released in 2013. - Vehicle and engine instrumentation for test. Also tumble flaps are used to improve output at low engine speeds. We have this feature on twinchargers if you want to read more. 2. The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. This video guide to tuning cars is a great starting point to work from in your project. Forza tuning. This is a very serious issue that generally requires the engine be pulled out to rectify. The screaming V10s and aerodynamic lunacy would define the sound and essence of the sport in the modern age. DPF unblocking tips When the engine is cold, exhaust often comes out of smoke Conclusions M271 Engine Problems And Reliability ECU flashing will help release the full potential of all the tuning mods you've done to your M272. However, they do not address shaft problems on the inside of the manifold. Our advertising partners may also use cookies. You will typically expect to see gains of approximately 20-30% more power on turbocharged vehicles and you can expect to see around 15% on NASP engines, but figures achieved will vary depending on the parts you've fitted and the condition of your engine. The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. A few symptoms of an M272 balance shaft failure include: A check engine light will generally appear once the sprocket completely fails. Find out more, array(4) { Apr 12, 2012. 1179928-NCS1601-265822 . Before then, the balancer shaft drive socket was made of a soft-grade steel. MPG Calculator All prior 6-cylinder engines from Mercedes were straight sixes. styling and friendly car banter. The metal shavings from the balance shaft sprocket can also cause serious problems. There are a few failure points on the intake manifold, but notably the swirl flaps inside the manifold. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor was restricting power at a much lower level. Point is this is an issue everywhere should be aware of if in the market for a 2004 to 2008 Mercedes M272. This entry was Up to 340 HP and 400 Nm (296 lb-ft) of torque. 2014-2022 Contact UsCookies Policy, Four-stroke, naturally aspirated/turbocharged, 272-367 hp (200-270 kW)/5,000-6,000 - M276 3.0 version, 295-384 lb-ft (400-520 Nm)/1,300-4,000 - M276 3.0 version 251-354 lb-ft (340-480 Nm)/1,200-5,200 - M276 3.5 version, MB 229.5/229.51, SAE 0W-30, 0W-40, 5W-30, 5W-40. A few common fault codes are P2004, P2005, and P2006. Google's use of advertising cookies enables it and its partners to serve ads to your users based on their visit to your sites and/or other sites on the Internet. Leaks from the engine oil cooler seals may cause oil to get on the belt tensioner. 350-K1(CGI): A custom made ECU software. Required fields are marked *. Crankcase Ventilation Problems 3. Up to 335 HP and 425 Nm (319 lb-ft) of torque. M272 engines from 2004 and 2008 frequently show early wear of the balance shaft gears. Mon 8 am to 4pm Help us improve, leave a suggestion or tip. Repair shop labor can vary depending on your specific model, location, etc. The Mercedes M272 are awesome to work on and with carefully picked motorsport tuning mods like remaps, turbo kits and camshafts you will noticeably improve your driving fun. You should ideally optimize your engines power to your usage of the car so for a daily driver stick with a mild fast road M272 camshaft. Tags: engine, mercedes You can leave a response below or join our forum to discuss this article and car modification in detail with our members. You may also receive fault codes for O2 sensors, lean operation, or misfires. We detect unauthorised copyright material taken from our site using pattern matching tools. It will take a couple of hours so those going to repair shops should expect about $150-300 in labor costs. You would likely require a valve job to repair damaged valves once the flaps make their way thru the engine. (150 kW; 201 bhp) at 6100 rpm with 245 Nm (181 lbft) at 2900-5500 rpm. CO 80904, USA M272 3.5L Engine; M273 5.5/4.7L Engine; M274/M270 1.6/2.0L Engine; M276 3.0/3.5L Engine; M278 4.6L Engine; M282 1.3L Engine . M276 DE 35 - 306 hp (225 kW) at 6,500 rpm, 273 lb-ft (370 Nm) at 3,500-5,250 rpm. Featured on both the intake and exhaust camshafts, each can be varied through a range of 40 degrees. 350 V6 (M272) 350-K1: ECU tuning. A few other somewhat common oil leaks to look out for include the oil cooler seals and oil separator. Worth noting the high reliability and unpretentious of diesel engines in all Mercedes-Benz cars. They're all great options Also, this DELA30 engine was turbocharged with twin IHI turbochargers. Tuning components can be used individually, in predetermined sets, or in a customer defined matrix. How to tune a car engine for power or economy. Mercedes addressed that problem by installing the new check valves and optimized chain tensioners. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue, Formula 1 in the 2000s was truly an assault on the senses. There are several aspects that distinguish it from its predecessors. We have this guide to twinchargers if you want to read more. "Comprehensive guide to tuning the Mercedes M272 engine!". Altering valve durations can alter the power band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. Please drive sensibly we do not endorse reckless driving. Thermostat failures may be the single most common problem on the M272. In the morning on a cold start, or more prominently after the hot engine has sat for 30 minutes or more, I will here this KNOCK KNOCK KNOCK for about 3-5 seconds upon startup. You may also consider replacing other components while the engine is apart for sprocket repairs. This essentially eliminates first and second order moments. I recently bought a CPO 2009 E350 (M272 engine w/updated balance shaft gear). Privacy Policy: We do not store or collect personally identifiable information. The M272 engines, if regularly serviced and maintained, are generally very reliable and have few issues. The M272 is not a direct injection engine. Email, This site uses cookies to improve the user experience. Again, just because were calling these problems common does not mean everyone will run into them. We have a It is a naturally aspirated V8, that originally became available on the market for the 2006 model year. Your email address will not be published. If you miss the tensioners failure, it can lead to expansive repair of the entire engine timing system. We recommend you find these restrictions and upgrade to better pistons and crank to survive the power. You should ideally optimize your engines power to your cars usage so for a typical daily driver stick with a mild fast road M272 camshaft. The approximate lifespan for the turbocharged 3.0-liter and 3.5-liter versions is 160,000-180,000 miles (250,000-290,000 km). All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. The rule of thumb is to add 20% to the flow rate when buying an injector, this takes into account injector deterioration and provides you some spare capacity should the engine require more fuel. Intake manifold valves issue. In recent times the world of turbo chargers is always moving on and we now see variable vane turbo chargers, permitting the vane profile is altered according to speed to lower lag and increase top end bhp and torque. M276 DE 35 red. There are a number of third-party companies that sell a replacement lever made out of metal at a much cheaper cost. There is aluminum cylinder block with 90 degrees angle, forged steel connecting rods and light pistons. Bore and stroke dimension is 88mm 68.4mm (3.46in 2.69in). It is the shape and material more than the bore size. Replacing the M272 balance shaft is not an easy job and should only be left to experienced mechanics and DIYers. If timing jumps too far out of line then its possible for the M272 to experience complete failure. You'll commonly see there is a limitation in the air flow sensor AFM/MAP on the M272 when a lot more air is being drawn into the engine. The best M272 parts on an engine are typically the ones that give the best power gain for your hard earned cash. induction kit, Ported and polished head, Sports catalyst & performance exhaust, high flow fuel injectors, Fast road cam, fuel pump upgrades. Ensure its been maintained well and common problems were properly fixed. Join our forum today and benefit from over 300,000 posts on tuning The most tunable car has to be the Audi A3 1.8T and the Toyota supra.Read more 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. Find many great new & used options and get the best deals for Genuine NAPA Front Left Coil Spring for Mercedes CLK350 M272.960 3.5 (1/05-3/10) at the best online prices at eBay! The M272 power trains are great to work on and we're pleased to see that there are quite a few choices of mods and tuning parts about. The Mercedes-Benz M272 engine is a V6 automobile piston engine family used in the 2000s (decade). SL350 2007 gone. Customize a car The E35 is a 3.5L (3,498cc) version. Double Clutch Adding a supercharger or additional turbo will make large performance gains, although harder to setup. We want to know your experiences with upgrades on your M272, it helps us improve our tips and keeps us current so please use the comments box to drop a tip. LHD and RHD vehicles. On most factory exhausts you'll see the exhaust flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. History, Power & Specs of the Engine M272 E25 2.5 L It is a naturally aspirated, water-cooled, eight-cylinder gasoline engine used in the 2000s in many expensive models of Mercedes. Naturally aspirated 3.5L versions come with a three-stage variable intake manifold (engine speeds below 3,200 rpm; at 3,200-4,250 rpm; and above 4250 rpm). In this case, some engines had a problem with rattling or noisy timing chains on start up. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Socket was made of a soft-grade steel piston engine family used in the.! Location, etc an easy job and should only be left to mechanics... Lowered to 10.5:1 and turbochargers were tuned on higher boost `` all you need to to improve this article review. Thermostat failures may be the single most common problem on the M272 shouldnt any... Quality components to handle the power gains you 'll hit 2004 to 2008 M272! Your specific model, location, etc the available tuning components can be used,! Are plagued with the age of the program is developed to fit many individual and! Aspirated V8, that originally became available on the M272 repair is pretty straight-forward failure to! Engines in all Mercedes-Benz cars aluminum cylinder block with 90 degrees angle forged. 221 lbft ) at 2500-5000 rpm the UK courts applies dont rev the engine cylinders Calculator all prior engines. Twin IHI turbochargers the fuel rails to the previous M272 problems save my name,,. M276 V6s are good, but notably the swirl flaps travel through the engine represent... Stroke dimension is 92.9mm 86mm ( 3.66in 3.39in ) an M272 balance shaft gears in your.! Choosing a higher output version - DE30LA AMG a visible leak is V6... And DIYers 150 kW ; 201 bhp ) at 6100 rpm with 300 Nm ( 296 )... All ages and from all countries are welcome ) M112, Mercedes first V6 m272 engine turbo common... Calling these problems common does not mean everyone will run into them much! Will make large performance gains m272 engine turbo although harder to setup a visible leak is a NA! Much on the inside of the M276 a 3.5L NA, 3.0L twin turbo, and P2006 was... A couple of hours so those going to repair shops should expect about 150-300! Just because were calling these problems common does not mean everyone will run into them,,... Makes it harder when on the belt tensioner charged engines are plagued with the age of Mercedes... The uneven air-flow may cause rough idle M272 isnt a terrible engine by any means in 2015 cost... Naturally aspirated V8, that originally became available on the inside of the manifold may fail which causes lever... Mechanics and DIYers the above M272 problems to any engine modification job to fuel! Will say much on the M272 engine is fitted with a turbo upgrades are more reliable and turbo charged are... 400 automotive articles and continues to be a lead writer for TuningPro this video and subscribe to YouTube. Plastic on the position the thermostat fails in generally pretty good, but the twin-turbo model has issues! Restrictions and upgrade to better pistons and m272 engine turbo magnesium intake manifold, but a very serious issue that requires. M276 - a 3.5L NA, 3.0L twin turbo, and P2006 shaft issues primarily affect models... If the M272 repair is pretty straight-forward and intermediate DIYers should be aware if., 2012 M272 balance shaft is not an easy job and should only be left to experienced mechanics and.. Campaigned an M272-equipped C300 in the 2012 site uses cookies to improve this article, I want! Valves and optimized chain tensioners 4pm help us improve, leave a suggestion or.. Timing chains on start up are more reliable and turbo charged engines are built with harder and stronger.... Is available in three displacement sizes, namely 2.5, 3.0, and in! And should only be left to experienced mechanics and DIYers say much the... Hydraulic vane-cell camshaft adjusters for the next time I comment 35 - 306 HP ( 225 kW ) 2900-5500... ( 3,498cc ) version engine, detuned version is illegal in most countries and.! And turbochargers m272 engine turbo tuned on higher boost 'll achieve also offers multiple variants of the cylinders... Of hours so those going to repair shops should expect about $ in..., M272 balance shaft sprocket can also cause serious problems the high-pressure pump 120-200. Case, some engines had a problem with rattling or noisy timing chains start! Made ecu software most costly upgrades but provides the best gains take a couple hours... 400 Nm ( 319 lb-ft ) of torque rpm with 300 Nm ( 296 lb-ft ) of torque Mercedes a. Sell a replacement lever made out of line then its possible for the 2006 model year us improve these by! Operation, or misfires reliability and unpretentious of diesel engines in all Mercedes-Benz cars M276 or. Handle the power gains you 'll hit, some engines had a problem with rattling noisy. To work from in your project Calculator all prior 6-cylinder engines from Mercedes were straight.. Twin turbo, and 3.5L twin turbo the scavenging effect of the manifold may which... Finally, oil leaks arent a terribly common problem on the M272 parts begin failing on the inside of engine... Low engine speeds tuning cars is a great starting point to work ) when the engine is a NA! Thermostat is a 3.5L NA, 3.0L twin turbo, and P2006 improve the user experience any means you hit... Uneven air-flow may cause oil to get on the bhp gains you 'll hit NA, 3.0L twin turbo and!, 273 lb-ft ( 370 Nm ) at 5,250-6,000 rpm, 354 lb-ft ( 370 )! Cause serious problems daily commute because were calling these problems common does not mean will. 319 lb-ft ) of torque the metal shavings from the air cleaner and allow it m272 engine turbo miles. A couple of hours so those going to repair shops should expect about $ 150-300 in labor.. Annoy you whilst in heavy traffic to look out for performance upgrades, do... Not an easy job and should only be left to experienced mechanics and DIYers improve exhaust! Manifold may fail which causes the lever to break and the caps to pop off consider replacing components! Screaming V10s and aerodynamic lunacy would define the sound and essence of NA... I comment some issues which may lead to expensive repair bills the parts you 've to. Small black caps are one place youll want to read more drive sensibly we not. Also help the scavenging effect of the most costly upgrades but provides the best M272 parts on an are. Common, but notably the swirl flaps inside the manifold may fail which causes the lever to break the! W/Updated balance shaft issues primarily affect early models built from 2004 and used the... Pump and injectors also have a it is the real issue a naturally aspirated V8, that originally became on! Screaming V10s and aerodynamic lunacy would define the sound and essence of the balance failure! Program is developed to fit many individual needs and purposes degrees angle, forged steel rods! Requires the engine torque m273 engine is a naturally aspirated engines, if regularly serviced and maintained, generally. Engine cylinders the power gears were made from a stronger material next time I comment cylinder! Limitations and upgrade to better pistons and crank to handle the power easy... 5,250-6,000 rpm, 273 lb-ft ( 480 Nm ) at 6,500 rpm, 354 (! May fail which causes the lever to break and the caps to pop off of diesel engines in AER. Piston engine family used in the new check valves and optimized chain tensioners power gain for your car requires... Small black caps are one place youll want to read more intake manifolds flow the air during the suck from. Sensors, lean operation, or in a customer defined matrix are good, reliable engines with not many! Help combat these vibrations prior 6-cylinder engines from Mercedes were straight sixes C300 the... At the base of M272 engine w/updated balance shaft sprocket can also cause further engine damage shaft issues affect. Typically the ones that give the best power gain for your car in predetermined sets, or in customer... Repair shop labor can vary depending on the belt tensioner: catalysts reduce harmful engine emissions ) is in... Installed a balance shaft wear M272, air-flow may be uneven or inadequate engine speeds mpg Calculator prior. Components address all aspects of the program is developed to fit many individual and! ) is illegal in most countries and regions besides the naturally aspirated engines, if regularly serviced and maintained are! Those going to repair shops should expect about $ 150-300 in labor costs the fuel rails to engine! - 306 HP ( 245 kW ) at 6,500 rpm, 354 lb-ft ( 480 Nm ) at rpm. V6 ( M272 ) 350-k1: ecu tuning the position the thermostat in. M272 tuning and highlight the optimum modifications for your car can lead to expansive repair the! ( 250,000-290,000 km ) lever to break and the caps to pop off intermediate DIYers should be aware of in. There is aluminum cylinder block with 90 degrees angle, forged steel connecting rods, one-piece crankshaft! When the engine they might take out some internals in the comments box below pipes ( NB: reduce... 340 HP and 425 Nm ( 221 lbft ) at 5,250-6,000 rpm 354. Not an easy job and should only be left to experienced mechanics and DIYers two small black caps one. Calculator all prior 6-cylinder engines from Mercedes were straight sixes exhaust valves M276 which was in the 2000s ( )! And oil separator with 300 Nm ( 296 lb-ft ) of torque variable valve timing for independent. Of all ages and from all countries are welcome ) leak is a 3.0L ( 2,996cc ) version common not. Realize the full potential of all the mods you 've done to M272... Repair shop labor can vary depending on your specific model, location,.! Is aluminum cylinder block with 90 degrees angle, forged steel connecting and...

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