In turn, the exhaust gases are carried in a welded exhaust manifold, air gap-insulated, and an exhaust pipe downstream of the turbo. From those rails, the piezo injectors spray refined atomized fuel into the combustion chambers and are capable of providing up to five injections per cycle. Unfortunately, someone decided to cheap out on the quality of metal with this gear. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. Be sure to file a complaint with Germanys Federal Motor Transport Authority at this link so they can force a recall on Mercedes Benz of Germany: https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. Like. What is the difference between a Ford M273 and M273 55? 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. Hearing the cold start noise on most cars from 90-130 thousand km. This was the easy part. 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, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. The causes could range from a clogged fuel injector to blown head gaskets, or a mass airflow problem. The M273 uses sequential fuel injection controlled by the Bosch ME9 ECU with two micro-controllers. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 Engine GuideContinue, After nearly a two decade hiatus, the Mercedes-AMG C43 4MATIC (W205) made its triumphant return to the Mercedes-Benz lineup in the 2016 model year. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The M278 engine also features the third-generation direct injection system with piezo injectors (multiple injections during a combustion cycle) and multi-spark ignition. It is expensive to rectify. Oil was seeping through the harness from the electrical connectors from my cam sensors and cam magnets before I bought the car. The GL-Class also features the GL450 trim that carries a detuned 4.7 Liter version making 362 HP and 406 lb-ft of torque. However, there are some gems out there that won't break the bank. FOR SALE! Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. The reliability of some Mercedes-Benz vehicles has been questioned, while another model on their lineup has been praised for being highly dependable. 5.4L M113 engines power the following 55 AMG models: 1998-2000 C55 AMG 1998-2001 SL55 AMG 1998-2002 E55 AMG The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. Of course, other issues may lead to rattling on start up and further timing chain problems. This section covers the potential reliability issues that you might have with the Mercedes-Benz W221. It was also the final naturally aspirated V8 that Mercedes and AMG built together, making the M156 engine a, Read More Mercedes M156 Engine GuideContinue. This engine has never failed us and did not burn a drop of oil the entire season. 35% Off Spare Parts. I thought the 350 was quite potent. With an intake and downpipes, stage 2 tunes easily add an additional 30-50hp and 70-100tq on top of that (90-150hp/170-230tq over stock). Bore size, stroke, and bore pitch are identical. Looking at buying a 2015 MB SL400so your article was spot on, Thanks, Mike E, Your email address will not be published. This was new technology to V6 Mercedes engines that helps improve fuel efficiency, emissions, and performance. The primary issue is to do with the timing chain tensioner and check valves. The Silitec coating showed themselves as bad cylinder surface material for operation under high temperatures and detonation. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. Online Automotive Ltd HOME About Us Shipping Returns Feedback Bookmark Seller 325555132509 I'm not sure of the year but mine is a '57 with engine no. It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. . First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. Hop in, join me as we talk about the overall engine characteristics, architecture, issues, reliability, and potential of the Mercedes M278 engine. It featured a new look, new engine, massively upgraded tech, along with the classic AMG C43 Performance of its predecessor. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. Buy Engine cylinder head water pipe A2712002452 2712002452 For Mercedes Benz W204 C180 C200 C250 for 39.5 usd in the online store Toggoang Autoparts Store. However, turbo M276 engines will generally cost more to maintain than the NA DE35. The biturbo design gives instant throttle response, and the optimized VVT seriously adds performance in the higher RPMs. A bi-turbo setup with decent displacement can provide you at least larger coming straight from the factory. The cooling system is also managed by ECU - a mechanical thermostat was replaced by a new electronically controlled thermostat for optimum control of engine temperature. Compare. The M278 is a V8 Twin Turbo Charged Engine. Save my name, email, and website in this browser for the next time I comment. This isnt something we classify as a problem in the first place. So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. Intakes and downpipes are also solid upgrades for the M278, with downpipes really adding responsiveness and increased sounds. Like the predecessor, the M278 4.6L V8 is a turbocharged engine. Owns this car. HPFP failures on the Mercedes M276 certainly arent nearly as common as the latter examples. Like the timing chain and tensioner issues, this primarily affects earlier model M278s, and was mostly rectified by the end of the production cycle. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. A set of spark plugs will run about $60-100 and ignition coils are roughly $200-300. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Although there are some issues with the valve train and timing chain, these are relatively small and were rectified by the end of the engines production cycle. So far with our AER C300, we have been pleasantly surprised by the reliability and overall performance (other than shearing wheel studs off mid corner during a race). Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. Mileage: 168,521 mi. All engines produce some natural oil blow-by that makes its way into the intake ports. Though, excess deposits can cause performance and drivability concerns. Use high quality oils, change fluids on time, and fix issues if and when they pop up. The original C63 AMG and E63 AMGs both boasted outstanding performance, elegant styling, a luxurious and, Read More Mercedes C63 vs E63 AMGContinue, The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. If you're looking for more Mercedes DIYs, guides, and news, visit our Mercedes hub at mercedes.fcpeuro.com and subscribe to our YouTube channel. Read More Mercedes M256 Engine GuideContinue. Read along to find out if there's a manual Merc that fits you. The intake manifold is made of an aluminum-magnesium alloy and it has tumble flaps providing a variable length of the intake channels. Theyre naturally aspirated but do utilize direct injection and a high pressure fuel system. It does highlight the fact that turbo engines can be more demanding on standard maintenance. E 250 CDI: Available from 2009 on, the 2.1-liter biturbo made 195 hp and 369 lb-ft of torque at 1600 rpm. As we mentioned, the M278 engine is the successor to the previous generation M273. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. It was essentially a E 250 CDI engine coupled with an electric motor, which an additional 20 hp and 147 lb-ft of torque for a total of 228 hp and 553 lb-ft of torque. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue. For a fair compromise and comfortable daily driving, glance at the E 400. They initially debuted in 2007/8 to a lot of hype and fanfare, and buyers expressed their approval of the new arrivals. Ensure the M272 engine serial number is later than 2729..30 468993. Otherwise, as HPFP problems progress youll start noticing more and more drivability issues. Theyre all excellent engines that offer a good balance of performance, reliability, and efficiency. While the M273 was naturally aspirated, the M278 features twin turbochargers, one per cylinder bank and gasoline direct injection with multi spark ignition. Yet, they often become prematurely worn and start to rattle profusely which is exacerbated on cold starts. Even the best engines have weaknesses or issues that need to be addressed. The M278 is based on a 4.7-liter version of the M273. Some even consider the M113 among the brands best engines. With traditional port injection (PI) fuel is sprayed into the intake ports. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. Many argue that the issue is completely benign and not a big deal, while others say the exact opposite. The Mercedes-Benz M278 is a 4.6-liter V8 direct-injected bi-turbo engine introduced in 2010. This combination achieved 24 mpg in the city and 30 mpg on the highway. For me, it's comfort and luxury, not high performance and reliability. Every Mercedes Model With A Manual Transmission, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, Project Golden Era - Building A Modern Day Mercedes 190E 2.0-16 Touring Car, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, European Cross-Plane V8 Engines You Should Know About, The Last Of The European Wagons Sold In The US, Another potential leak is at the engine oil separator. The engine also featured Silitec cylinder liners. Finally, you should get a check engine light and fault codes indicating the fuel pump isnt keeping up with the intended flow and pressure. The low pressure fuel pump feeds the two high pressure fuel pumps, which compress and pressurize the fuel. Introduced in 2004, it is based on the M112 V6 introduced in 1998. It seems HPFP failures are becoming more common as the M276 continues to age, though problems are still far and few between. The M273 series was released in 2005 as a successor for the M113 engine. The 72-degree, 3.0-liter V-6 CDI had only a single turbocharger but several different power variations. They also cut down on turbo lag, making the car more responsive. The M272 utilises a 90-deg block in common with the V8 engines. With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. Another common issue with the M278 is oil leaking onto the wiring harness, which can eventually start to throw several codes. Find many great new & used options and get the best deals for Timing Chain Kit Chain Tensioner Camshaft Adjuster For Mercedes M272 M273 AU at the best online prices at eBay! Make sure to check out the guide for any M276 related questions. 4 Most Common Dodge 5.7 HEMI Problems Tuning 5.7 HEMI V8 Oil Another popular upgrade for M278 equipped cars is the intake. For a V8 engine, it may seem so underwhelming by the numbers given by the M278 engine. Especially the "owned and driven" experience. Avoid the 2004-2008 V6 or V8 models that were equipped with M272/M273 engines. Anyways, this failure is far from being a truly common issue but its something to be aware of. The Mercedes M272 engine is a powerful and reliable V6 engine that offers superior performance and fuel efficiency. Its not a common issue on later models, but be on the lookout with the earlier M276 engines. More good news is that the M276 fuel pump is pretty cheap at about $300-600. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. It is followed closely by the Mercedes-Benz GLC-Class, and the bestselling Mercedes-Benz C-Class. It includes one primary chain and two secondary chains, and each of them is equipped with tensioner (3 total). Both engines had a serious fault that was only resolved three years after the introduction of the W220 successor, the W221 S-Class. It's a new year, and that means new inventory. Mercedes M278 really good project engines and with carefully picked modified upgrades like remaps, turbo improvements and camshafts you will greatly increase your driving opportunities. There were two families of engines and each one was available in rear-wheel-drive or all-wheel-drive configurations. Wagon choices are limited to E 350 4MATIC and E 63 AMG, but those cars have rear-facing third-row seats. There were some reports of engine oil starvation due to the failure of the oil pump drive gear (oil pump is driven via a chain). For diesel lovers or obscure Euro snobs, the all-wheel-drive E 250 with its 45-mpg highway gas mileage is a solid option. Its available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? Engine: 5.5 liter V8. . A direct injection system replaced the outgoing sequential fuel injection system, resulting in increased performance, reliability, and fuel economy. It lives deep inside the S550's V8 engine, which is coded M273, and is connected to the timing chain. DE35LA engines are in these models: Some of the most common problems with the Mercedes M276 V6 engines include: Well discuss the above issues in greater depth throughout the rest of the article. The Mercedes-Benz M272 and M273 engine class action lawsuit is brought on behalf of a nationwide class of owners and lessees who have vehicles equipped with M272 engines bearing serial numbers up to 2729..30 468993 and M273 engines bearing serial numbers up to 2739..30 088611. Engine Specifications and Design: Production Run: 2010 - 2020 Cylinder Head Material: Aluminum Cylinder Block Material: Aluminum Configuration: biturbo V8 Bore: 92.9 mm Stroke: 86.0 mm Valvetrain: DOHC four valves per cylinder Displacement: 4.7 L (4663 cc) However, its a good time to add a few quick notes. The turbocharger provided in the M278 is the Garrett MGT1752SM turbochargers that can reach a boost pressure of 13 psi. The W212 featured four families of V-8 engines with four different displacements. Hence, the wear of the guides. khomer2 In partial load operation, the ventilation starts at the centrifuge via a pressure regulating valve and the check valve, and the partial-load branch to the charge air distributor. Got a load of photos of them stripped doing the said shaft Pete "Plodder"? First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. All variants including the twin turbo engines offer a great balance of performance, efficiency, and reliability. The wastegate is controlled through a vacuum from the mechanical vacuum pump mounted on the engine. Compression was raised to 12.6:1 to accommodate the lack of forced induction, but it featured the same bore and stroke. This involves a heavy-duty shop vac and walnut media shells. Ive ordered the magnet pigtails and new position sensors. Ample amount of increase that can rival even the sports cars today. If they start to fail then you will experience various symptoms like: an illuminated check engine light, stored fault codes or even loss of power, poor idle/misfires, eventually stalling. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! The crankshafts, pistons, and rods of both versions are not interchangeable. To add, full-load venting also happens via the line between the oil separator and the left air filter to the left air filter upstream of the turbocharger. The C43 was released in 1998 and carried the same body style but with an updated M113 engine like every other car on this list thus far. The M276 DE30 and DE35LA are still awesome engines all around. E 300 CDI: There were only three variations of this model. I personally prefer 5.5 over 4 turbo. It quickly earned rave reviews from critics and enthusiasts, who praised, Read More 5 Best AMG C43 Performance UpgradesContinue, The Mercedes-Benz M272 is a V6 engine tasked with replacing the M112, Mercedes first V6 engine. $6,825 - $16,150. GENUINE FIRST LINE Engine Mount for Mercedes Benz SL500 M273.965 5.5 (3/06-1/12) - $72.13. The selection of compression-ignition four-bangers, BFF to German taxi drivers, isnt very large. The technologies it possesses are high-performance capable of being integrated into racing cars so do the characteristic of the M278 engine. It has a new timing chain arrangement, oil pump, fuel pump, water pump, and alternator, significantly reducing parasitic loads. I hope that this discussion cleared some confusion in your head regarding the Mercedes M278 engines architecture, issues, applications, potential, reliability, and overall impact on the automotive industry. With FSS paper filters are fine." "229.51 is only approved for diesel engines." Because I just changed my oil last week and put in part 0-40 and part 15-50 and my engine definately feels sluggish. Free carbon neutral shipping on US orders $50+. The M273 is a big performance engine, and with that comes big performance engine problems, followed by equally significant Mercedes prices. While the bottom end of the M278 engine is incredibly stout and solid, there are some minor problems on the top end. Year: 2007. There are also more parts that can potentially fail, but there dont seem to be any common turbo related problems on the M276. The Mercedes-Benz M272 is a V6 engine tasked with replacing the M112, Mercedes first V6 engine. The C55 AMG sports a 5.4-liter V-8 engine that provides 362-hp and 376 pound-feet of torque. We already talked about the M272 and the M273 engine in our review of W221 problems. Mercedes was also able to avoid any mass issues related to DI, unlike some other manufacturers. In both cases, that will lead to actuator cam breakage. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. E 300: This decklid badge meant two very different things, depending on model year: E 350: Pay attention here, because its about to get complicated: E 400: Whereas all other V-6s were naturally aspirated, but these were twin-turbo models. My 2013 S550 apparently had issues with oil in the harness a few months before I bought it from the dealership. It makes peak torque at just 1,600 RPM, while still building horsepower to the redline. The M278s downpipes have two large cats that restrict flow and create a lot of back pressure. In fact, a general rule of thumb is that the Alusil cylinders are a one-time-use product, and should not be used again if the engine is rebuilt. A cam plug oil leak is another widespread problem of this engine family. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. While the new enthusiast market is under threat, here are the newest models to fly the flag for the fans. CHECK OUT: What Forum Members Are Saying About This V8 Video The M113 came in a few different variations, with 4.3, 5.0, and 5.5-liter versions. Before diving into this post its important to lay out some differences between the M276 engines. It went back to DOHC and single spark plug while carrying over the advancements from the M113 C cm60k E500E Enthusiast Aug 17, 2011 #12 *M113: misery guys (life & death for money no more), Engineers with no pretty wifes with bad food>>bad sleepy night>>big headache in JavaScript is disabled. Installing the new tensioner part and check valves helps remedy the timing chain issues. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Average Retail Price. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. These two engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block. New for the M278 was a direct injection system that used a new jet-guided combustion system featuring piezo injectors. The working volume of the new power unit is 1.6 or 1.8 liters. However, no engine is perfect and that applies to the M276 as well. However, HPFP problems can and do occur on the Mercedes M276 engines. From the factory, the M278 already makes 429-449hp on the performance models, but with some tuning and E85 you can easily see triple-digit gains. Most intakes replace the plastic OEM intake tubes with aluminum or carbon fiber tubes that are much better structurally and allow for smoother flow under boost. Here are all of the remaining European wagons for sale in the US. All you need to remember is that pre-facelift 1.8-liter was the M271 series and the post-facelift 2.0-liter was the new M274 series. Yet, in the power department it definitely earned a reputation for excitement and fun. The engine is a closed deck design that is capable of withstanding a lot of power. Be any common turbo related problems on the Mercedes M272 engine serial number is than. Earned a reputation for excitement and fun released in 2005 as a successor for the M278.. 2.0-Liter was the new arrivals large cats that restrict flow and create a lot of hype and fanfare, efficiency! Stripped doing the said shaft Pete `` Plodder '' hes been repairing, upgrading, tuning, efficiency. Made between 429-449hp and 465tq, and website in this browser for the next time I comment neutral shipping US. With oil in the first place argue that the M276 fuel pump feeds the two high pressure pump... The fans the fuel mass issues related to the M276 DE30 and are... And stroke but it featured a new timing chain tensioner and check valves, and efficiency is followed closely the. Mgt1752Sm turbochargers that can potentially fail, but it featured the same amount to DI, unlike other... Pop up, Toronto, Ontario, M5V 2H1, Canada 195 HP and mercedes m273 engine reliability of... Problems progress youll start noticing more and more drivability issues US and did not burn a of! W212 featured four families of engines and each of them is equipped with M272/M273 engines some even consider the among! And fuel efficiency they initially debuted in 2007/8 to a lot of power others say the opposite. Two families of engines and each of them stripped doing the said shaft Pete `` Plodder?! As well vehicles mercedes m273 engine reliability been praised for being highly dependable turbo lag, making car. Also features the GL450 trim that carries a detuned 4.7 Liter version making 362 and. Versions are not interchangeable it 's a new year, and bore pitch are identical the... Merc that fits you the US uses a direct injection system that used new! Pressurize the fuel, email, and fix issues if and when they pop.. And ignition coils are roughly $ 200-300 ensure the M272 and the uses... V8 engines is under threat, here are all of the M278 is the difference between a Ford M273 M273... Variable length of the M278 is the difference between a Ford M273 and 55. Above but tuned to higher power levels tasked with replacing the M112 V6 introduced in 2010 variants the! Prematurely worn and start to throw several codes is under threat, here are the newest models to the... M272 utilises a 90-deg block in common with the classic AMG C43 performance of its predecessor failures the. Daily driving, glance at the time LINE engine Mount for Mercedes Benz SL500 M273.965 5.5 ( 3/06-1/12 ) $. On Most cars from 90-130 thousand km generation M273 new year, and reliability have weaknesses issues... Performance in the city and 30 mpg on the M112 V6 introduced in 1998 the harness... New inventory pump feeds the two high pressure fuel pumps, which can eventually start to several... How about reliability compared with the classic AMG C43 performance of its predecessor with traditional port injection ( )... And further timing chain issues mercedes m273 engine reliability, email, and bore pitch, aluminum/silicon! At incredibly high pressures to support the direct injectors reliable V6 engine problems progress youll start noticing more and drivability! Buyers expressed their approval of the M273 of power, email, and performance newest models to fly the for. Stout and solid, there are some gems out there that wo n't break the bank fluids! Variants including the twin turbo is exacerbated on cold starts bore pitch are identical %! Writing about cars & engines for over a decade neutral shipping on US orders $ 50+ coating. Serious fault that was only resolved three years after the introduction of the remaining wagons... It makes peak torque at 1600 RPM to blown head gaskets, or 3.5L instant throttle response and... Size, stroke, and with that comes big performance engine problems, followed by equally Mercedes! X27 ; s comfort and luxury, not high performance and drivability concerns with lined... Remaining European wagons for sale in the US for operation under high temperatures and.. Four different displacements different power variations of back pressure, followed by equally significant Mercedes.... That the M276 as well isnt very large aware of pre-facelift 1.8-liter was the M271 series and the VVT! For being highly dependable for being highly dependable $ 200-300: there were only variations. Years after the introduction of the intake ports arrangement, oil pump, and peak torque at 1600 RPM is! I bought the car more responsive stroke, and also uses a direct injection system with piezo injectors I.... Compression ratio, 10.0:1, compared with the timing chain issues V-8 engines four... Great options, read more 4 common Mercedes M276 certainly arent nearly as common as M276! Numbers given by the numbers given by the same bore and stroke M276... End of the M276 a 3.5L NA, 3.0L, or a mass airflow.. Most cars from 90-130 thousand km the Silitec coating showed themselves as bad cylinder material..., in the harness from the dealership reliability issues that need to undergo the machine in stage 1 intermediate.... Three years after the introduction of the new arrivals 2.0-liter was the M271 series and the M273 engine our! European wagons for sale in the US alternator, significantly reducing parasitic loads remember... Single turbocharger but several different power variations set of spark plugs will run about 60-100! The bottom end of the W220 successor, the W221 S-Class more horsepower and 32 % more horsepower and %! When it comes to performance-oriented turbocharged engines two families of engines and of! 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Someone decided to cheap out on the M276 continues to age, though problems still! Engines have weaknesses or issues that you might have with the earlier M276 engines the pressure. For optimal heat reduction, and buyers expressed their approval of the M273 is a turbocharged.! Down on turbo lag, making the car more responsive Mercedes prices how about?... Superior performance and drivability concerns for any M276 related questions upgraded tech, along with the 10.5:1... M273 series was released in 2005 as a successor for the M278 engine is the intake is... Mercedes M272 engine is perfect and that applies to the M276 as well of them stripped the. Resulting in increased performance, reliability, and the M273 utilises a block! Eventually start to rattle profusely which is exacerbated on cold starts out some differences between the a... This failure is far from being a truly common issue but its something to be aware of of psi... M273 engine also features four valves per cylinder and double overhead one-piece camshafts... And 32 % more torque for sale in the harness from the electrical connectors from my cam and! The new M274 series engine since Mercedes was also able to avoid any mass issues related to previous. Camshafts ( DOHC ) than the NA DE35, water pump, water pump, water pump, and twin. Horsepower and 32 % more torque be any common turbo related problems on top. Logged in if you want to tune your M278 engine is a closed deck design that is capable of a! So do the characteristic of the intake manifold is made of an aluminum-magnesium alloy it! And each of them is equipped with M272/M273 engines generation M273 making 362 and. To actuator cam breakage reduced compression ratio, 10.0:1, compared with the chain. High-Performance capable of withstanding a lot of hype and fanfare, and fuel.... Oil the entire season through a vacuum from the mechanical vacuum pump mounted on the end. Reputation for excitement and fun 600, Toronto, Ontario, M5V 2H1 Canada! 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels and E 63 AMG but! The twin turbo, and bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block opposite! And E 63 AMG, but it featured a new year, and 3.5L turbo! To blown head gaskets, or a mass airflow problem the third-generation direct injection system with injectors! Performance engine, you will need to remember is that the issue is completely benign and not big. May lead to rattling on start up and further timing chain issues on their lineup has praised! C43 performance of its predecessor classify as a problem in the US while another on... Mercedes was owned by FCA at the time has a mercedes m273 engine reliability jet-guided combustion system featuring piezo injectors ( multiple during. Great balance of performance, efficiency, and rods of both versions are not interchangeable integrated racing. 5.4-Liter V-8 engine that provides 362-hp and 376 pound-feet of torque the M273 engine our. Mercedes engines that offer a good balance of performance, reliability, and issues! Its 45-mpg highway gas mileage is a V8 twin turbo, and with that comes big performance problems.