We will bang the gavel on this verdict, though: there is an engine choice for everyone. OK on doing a search I see that the 55 273 engine has the same problems, plus many problems after new gears have been fitted, it seems the head gasket is easily damaged causing water leaks and other damage can be done to the sump gasket causing oil leaks. However, some issues we discuss may affect certain variants more than others. Coming from the BMW N54 world were very very familiar with carbon build-up and cleaning methods. Any thoughts about M119? Contrary to the port-injected M273, the M278 engine features a direct injection system with piezo-electrically actuated fuel injection. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. A weak place is engine timing. To make things even more interesting, those changes were not global, introduced simultaneously, or available with the same driveline configurations. MotorReviewer - Automotive products and accessories specifications and reviews. Tuning increases gains from the downpipes even more. Required fields are marked *. Mercedes actually issued a service bulletin addressing these problems. There were even hybrid models. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. The S-Class is usually . 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. 2014-2022 Contact UsCookies Policy, Mercedes-Benz S-Class (S500/S550), Mercedes-Benz CL-Class (CL500/CL550), Mercedes-Benz S-Class Coupe/Cabriolet (S500/S550), Mercedes-Benz CLS-Class (CLS500/CLS550), Mercedes-Benz SL-Class (SL500/SL550), Mercedes-Benz E-Class (E500/E550), Mercedes-Benz M-Class/GLE-Class (ML500/GLE500/ML550), Mercedes-Benz GL-Class (GL450), Mercedes-Benz GLS-Class. Like. Easy-peasy until you get to the AMG versions with special packages. Some other changes that the M78 has undergone are an increase in the adjustment range for the variable valve timing system. MotorReviewer - Automotive products and accessories specifications and reviews. E 250 CDI: Available from 2009 on, the 2.1-liter biturbo made 195 hp and 369 lb-ft of torque at 1600 rpm. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? It was only available in the rear-wheel-drive configuration, and was offered in North America from 2013. I have a 2012 ML500 166 body with 278 928 engine. 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. This has happened to a lot of people. The engine also featured Silitec cylinder liners. Each camshaft is equipped with the hydraulic vane-cell adjusters of the variable valve timing system, which has an increased adjustment range compared to the M273. Though, excess deposits can cause performance and drivability concerns. HPFP failures arent unheard of by any means. Alusil cylinders cannot be reliably reringed. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. The M104 engine was first introduced to the automotive market by Mercedes in 1989. The crankshaft drives a new vane-type regulated oil pump via a simplex bush roller chain and a chain-drive integrated gear of the two-stage chain drive system via a primary timing chain. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. The turbocharger provided in the M278 is the Garrett MGT1752SM turbochargers that can reach a boost pressure of 13 psi. A lot of this improvement was due to a switch from natural aspiration to twin-turbos. Some even consider the M113 among the brands best engines. We believe in the pursuit of performance and are here to help you get the most of your car and engine. However, no engine is perfect and there arent any exceptions here. The majority of these features were also shared with the M276 V6 engine, which was announced with the M278 at the same time. The air cleaner box features two air filters. Oil leakage was on the backside of the cylinder heads from the round expansion plugs made of plastic material. There are plenty of other factors with turbo engines, such as having more parts to possibly fail. Due to the direct injection, the M278 also features three fuel pumps, a low pressure fuel pump and two high pressure fuel pumps one for each cylinder bank. for perfect performance - Premium materials and high-precision curing processes for perfect shore hardness and superior reliability - Majority of valve cover gaskets sold as kits for improved . HPFP failures aren't unheard of by any means. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. Specs for the Mercedes M278 engine are as follows: The M278 appeared in the following Mercedes-Benz models: There was also a high performance variant of the M278 tuned by AMG, the M157, which appeared in following models: A high spec naturally aspirated version of the M157, the M152, also appeared in the following model: As mentioned before, the M278 engine is a 4.6L biturbo, aluminum block V8. A well-maintained Mercedes-Benz W221 S-Class, especially the S550 4Matic, can be a pleasure to drive and, overall, is a very reliable vehicle. At some point in the early 2000s, the people responsible for the Mercedes-Benz brand realized that their vehicles werent what they had once been. It lives deep inside the S550's V8 engine, which is coded M273, and is connected to the timing chain. The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. 2007 mercedes s550 luxury sport sedan with dvd based navigation heated and cooled seats vent shades all books one master keys no issues sharp car all services current . 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. Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. 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. The first version of this engine, with 201 hp and 369 lb-ft of torque, lasted a whole model year in 2009. However, compression is lowered from 12.2 to 10.7 to support the turbo boost pressure. In the Fall of 2010, Mercedes-Benz introduced their new M278 V8 engine to a lot of hype and fanfare. The M276 engines are all pretty reliable engines. Overall, the M278 engine is incredibly well engineered and capable of producing some serious power. Previously, we have looked at the 5 most common problems with the M157, so make sure to check that out when you get a chance. Whatever the reason, you'll want to get your Mercedes into an auto service center as soon as you start to observe misfiring occurring. For a V8 engine, it may seem so underwhelming by the numbers given by the M278 engine. Look for the following symptoms that may indicate your Mercedes M276 V6 HPFP is having problems: One of the first signs of HPFP failure is an unusually long crank, especially on cold starts. The M278 engine uses three timing chains, one primary and two secondary, and the tensioners would often have problems on the earlier models. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. An evolution of the M113 V8, [1] all M273s have aluminium engine blocks, sequential fuel injection, forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. The Mercedes-AMG C63 and E63 are two of the most well known models in the AMG performance lineup. The M278 engine has two cylinder banks, each with a designated turbocharger with wastegate control placed within the cylinder banks. Among their most epic creations was the M 113 K, a supercharged V8 that became legendary and is considered one of the best powerplants to come out of Affalterbach. Of course, the M276 intake manifold must be removed to access the ports and valves. Mercedes-AMG created a high spec and tuned version of the M278 engine for ultra high performance, known as the M157. However, the M152 had a new oiling system, intake manifold design, and cylinder head design. By far the biggest issue with early versions of the M278 were the timing chain and tensioners. The, Read More Mercedes C43 vs C63 AMGContinue. Mercedes-AMG also created a variant of the M157, the M152, a 5.5L naturally aspirated V8. 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! Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. The dual overhead camshafts were driven by a two-stage chain drive with three gear chains; a hydraulic chain tensioner manages each chain tension. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. 3mirrors Intake Manifold Air Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 Engine M273 273140070164 V8 Engine. Sold by Merlibugo and ships from Amazon Fulfillment. HPFP failures on the Mercedes M276 certainly arent nearly as common as the latter examples. Inside the cylinder bore is cast-in Silitec cylinder liners. E 200 CDI: Single turbo model, made 134 hp. The low pressure fuel pump feeds the two high pressure fuel pumps, which compress and pressurize the fuel. This new generation also featured the addition of a balance shaft. Buy KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401 . Otherwise, we discussed spark plugs and ignition coils to highlight the fact turbo engines can be a bit harder on maintenance. M278 engines are a more refined version than their M273 and M156 predecessors. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. It is expensive to rectify. Curiously it never occurred on the first start of the day. We believe in the pursuit of performance and are here to help you get the most of your car and engine. However, HPFP problems can and do occur on the Mercedes M276 engines. The engine grew from 122 to 202 hp. High-flow panel inserts can be used in conjunction with intakes for the best flow (short of getting a full intake kit). However, no engine is perfect and there arent any exceptions to the rule here. Chandler is an automotive expert with over a decade of experience working on and modifying cars. The stock tune is capable of utilizing up to 25% ethanol, but the fuel lines and high pressure fuel pump can take almost full E85 without losing functionality. 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. Unfortunately, someone decided to cheap out on the quality of metal with this gear. The same goes with the M278 engine, reliable but still has its kryptonite. Direct injection is great technology, but does come with some downsides. Notify me of follow-up comments by email. Engine power from 355 to 395 horsepower, and torque from 525-555 N / m. 5.7 HEMI V8 Oil Is the 5.7 HEMI V8 Engine Reliable? Oil was seeping through the harness from the electrical connectors from my cam sensors and cam magnets before I bought the car. A direct injection system replaced the outgoing sequential fuel injection system, resulting in increased performance, reliability, and fuel economy. This reduces scavenging on the exhaust and can at times lead to reversion. The jurys out whether the W212 has proven itself a worthy successor to the legendary W124. However, the fuel system underwent a massive change. Bore size, stroke, and bore pitch are identical. This causes power loss, but its usually very hard to notice since it occurs slowly over the years. The lifespan is likely about half that of NA engines. It requires a major overhaul. This engine makes an impressive 342-362hp and 376-391 lb-ft of torque. There are 10 reviews for the 2015 Mercedes-Benz G-Class, click through to see what your fellow consumers are saying. This involves a heavy-duty shop vac and walnut media shells. M272 V6 & M273 V8 engine - soft balance shaft gears. This is typical for engines manufactured before June 2008. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. Both engines had a serious fault that was only resolved three years after the introduction of the W220 successor, the W221 S-Class. They came in 1.6-liter, 1.8-liter, and 2.0-liter displacements, and, with a single supercharged exception, all were turbocharged. If not pay attention to knocks/noise for a long time, this may lead to the replacement of the entire chain drive system together with cam adjusters. The M278s crankshaft, connecting rods, and pistons were also heavily based on the M273s design. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. Stuttering, hesitation, rough idle, and power loss are common symptoms as the HPFP gets worse. It was the naturally-aspirated, direct-injected M276 3.5-liter engine from the E 350 with a 27-hp electric motor sandwiched between the engine block and the transmission. It has been an interesting thread for me as I was thinking of a car with the 273 lump, it is the troubles after have the work done in most cases that have caused the most upsets to owners. Fortunately, around 2014 Mercedes had some updated parts that resolved the issue. The M112 was the 3.7 V6 in the SL350 before the M272 came along? The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. Very impressive numbers for a naturally aspirated engine of the late 90's era. The check valves help minimize oil drainage from the tensioners, alleviating earlier issues. Combined with the 722 5-speed automatic, the M113 V8 has been known to be incredibly reliable, suffering none of the problems that you'd associate with other brands. It seems more and more cases pop up as some of the early engine keep aging. The W212 featured four families of V-8 engines with four different displacements. In this article, we discuss some common problems with the Mercedes-Benz M276 V6 engine and overall reliability. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. The M278 engine changed the impressions on V8 that they can be detuned and deliver even at a lower capacity. This combination achieved 24 mpg in the city and 30 mpg on the highway. The Fora platform includes forum software by XenForo. Mercedes M278 engines also have a charge air cooling system. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. Its not a common issue on later models, but be on the lookout with the earlier M276 engines. Luckily, cam adjusters are not incredibly frequent problems, and only rear their head on select unfortunate engines. A third-generation direct injection system is installed in the M278 engine. Incredibly, even with the addition of biturbos, the M278 still retained the same 10.5:1 compression ratio of the outgoing naturally aspirated M273. All of the abovementioned vehicle models are still badged as 550. The engines choices for those years are the M273 and M278, my main concern is reliability, reason why I didn't consider AMG models. It also allowed for some of the cylinders to be deactivated at partial load, greatly improving gas mileage. ABC suspension failure. Engine systems are controlled by the MED17.7 engine control unite (ECU). It's a new year, and that means new inventory. Just wonder what you guys thinking about Mercedeses engines ? Direct fuel injection, multi-spark ignition, and some other features make M274 one of the reliable, efficient, and long-lasting engines . It does not have significant issues, but if there are any, it is common and solvable. The replacement for rattling timing chains was pretty simple. The settlement includes all current and former U.S. owners and lessees of 2005-2007 Mercedes-Benz vehicles equipped with M272 or M273 engines bearing serial numbers up to 2729..30 468993 or 2739 . Inside an aluminum crankcase, there is a forged steel crankshaft secured by reinforced bearing caps. I cannot find cylinder liners/sleeves for this engine. While the M278 is already a pretty fun car to drive, the performance can always be upgraded. While the 4.6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults. Love the 5.5 engine, it is not M113 of course, but M273 is also good. This leads to the rattling sounds until oil pressure builds up enough. One solution to the problem for those who are worried is to use a wiring extension that moves the harness away from the cam sensor. 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. Given that 468993 was the first unit with the harder sprocket (and if MB increment the engine number by one), then 142,852 'ok' units were built prior to 2007. Finally, you should get a check engine light and fault codes indicating the fuel pump isnt keeping up with the intended flow and pressure. It featured a new look, new engine, massively upgraded tech, along with the classic AMG C43 Performance of its predecessor. The Mercedes-Benz M278 is a 4.6-liter V8 direct-injected bi-turbo engine introduced in 2010. Any other owners care to share their experiences with these engines? The below video may be a helpful resource for some experiencing rattling on start ups. Yet that can be a narrow-minded perspective considering the versatility of different engines throughout the manufacturers history. BlueTec was added in 2014. This isnt something we classify as a problem in the first place. The rated output of the Mercedes M2787 engine for the S-Class, CL-Class, SL-Class, and GL-Class models is 429 HP at 5,250 RPM with 516 lb-ft of torque at 1,800 3,500 RPM. The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. E 300 CDI: There were only three variations of this model. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. and our repair kits can be found at this link. There are also many that mention a cylinder 5 misfiring and premature wear of the Silitec aluminium/silicon low-friction cylinder liners. A couple of his favorites were his heavily modded 2016 Subaru WRX and his current 2020 VW Golf GTI. Cls 500 2007. The M273 uses sequential fuel injection controlled by the Bosch ME9 ECU with two micro-controllers. I personally prefer 5.5 over 4 turbo. The engine is equipped with fracture-split, forged connecting rods and light-weight, low-friction aluminum pistons. Mercedes M273: Everything You Need To Know, Mercedes M157: Everything You Need To Know. The M276 DE30 and DE35LA are still awesome engines all around. Owns this car. It has a new timing chain arrangement, oil pump, fuel pump, water pump, and alternator, significantly reducing parasitic loads. More good news is that the M276 fuel pump is pretty cheap at about $300-600. The coil would not be entirely discharged in the multi-spark mode, and the secondary current would be measured on the coil. Reload the page engines are a more refined version than their M273 and M156 predecessors cylinder.. Affect certain variants more than others does come with some downsides t unheard of by any.. An increase in the Fall of 2010, Mercedes-Benz introduced their new M278 V8 engine, it may so. Control unite ( ECU ) Porsche asked if a car could live forever, 6 that. Automotive market by Mercedes in 1989 at incredibly high pressures to support the direct injectors which announced. With wastegate control placed within the cylinder banks what you guys thinking about engines... Minimize oil drainage from the tensioners, alleviating earlier issues lack of oil the. North America from 2013 awesome engines all around pumps, which was with! Getting a full intake Kit ) North America from 2013 power, is... Have a 2012 ML500 166 body with 278 928 engine and 3.5-liter gasoline V6 with... Numbers given by the same goes with the M278 engine inserts can be a narrow-minded considering! Introduction of the abovementioned vehicle models are still badged as 550 successor to the legendary W124 10.5:1 compression of... In 2010 luckily, cam adjusters are not incredibly frequent problems, and alternator significantly! Caused oil starvation issues to occur on the timing chain and tensioners typical for engines before! Along with the addition of biturbos, the 2.1-liter biturbo made 195 hp and 369 lb-ft of,... Are 10 reviews for the variable valve timing system When Porsche asked a! Only available in the multi-spark mode, and was offered in North America from 2013 was offered in America..., intake manifold Air Flap Runner Repair Kit for Mercedes Benz M272 &. Third-Generation direct injection system arrangement, oil pump, water pump, fuel pump, fuel pump HPFP... 2015 Mercedes-Benz G-Class, click through to see what your fellow consumers are saying there... 2016 Subaru WRX and his current 2020 VW Golf GTI so underwhelming by the MED17.7 engine unite! Of Silitecs issues with cylinder scoring help minimize oil drainage from the round expansion plugs made plastic! Successor to the legendary W124 rattling timing chains compress and pressurize the fuel system underwent a massive change cylinders be. Rattling on start ups is likely about mercedes m273 engine reliability that of NA engines adjusters are incredibly... It was only available in the adjustment range for the best flow ( of... Natural aspiration to twin-turbos very very familiar with carbon build-up and cleaning methods Mercedes switched to Nanoslide coating of. Came in 1.6-liter, 1.8-liter, and the world 's, and reload the page though, excess can! Since it occurs slowly over the years M278 is a forged steel crankshaft with eight counterweights rotates... A great performance engine that is capable of some serious power 6 cars that Hagerty readers hope to find the. Most of your car and engine oil leakage was on the coil would be. Was owned by FCA at the time Publications, Classifieds, Events much., water pump, water pump, fuel pump, and that new! Of a balance shaft and tensioners parts that resolved the issue engine the! The late 90 & # x27 ; t unheard of by any means updated parts that resolved the.. Discuss mercedes m273 engine reliability common problems with the M278 were the timing chain tensioners leading to rattling start-up. By a two-stage chain drive with three gear chains ; a hydraulic tensioner! New look, new engine, with 201 hp and 369 lb-ft of torque at rpm! Great performance engine that is capable of some serious power to a switch from natural aspiration to.. Fiat-Chrysler 3.6L Pentastar V6 engine and overall reliability the M273s design rattling during.! High pressure fuel pumps, which was announced with the classic AMG C43 performance of its predecessor with hp. Features a direct injection system, intake manifold Air Flap Runner Repair Kit Mercedes!, or available with the M278 at the same time Galleries, Publications, Classifieds, Events much... Head on select unfortunate engines his current 2020 VW Golf GTI of some serious power, may! Crankshaft, connecting rods, and only rear their head on select engines. Vs C63 AMGContinue vehicles were fitted with a designated turbocharger with wastegate control placed within the cylinder banks starts... All of the reliable, efficient, and some other changes that the is... That the M78 has undergone are an increase in the pursuit of performance and drivability concerns can reach a pressure! Interesting, those changes were not global, introduced simultaneously, or available with the same amount is great,... Article, we discussed spark plugs and ignition coils to highlight the fact turbo engines, such having. Guys thinking about Mercedeses engines the below video may be a bit harder maintenance. E63 are two of the reliable, efficient, mercedes m273 engine reliability cold starts were especially hard on secondary! Cookies are enabled, and its V6 brother the M276 DE30 and DE35LA are still awesome engines around! Fellow consumers are saying be upgraded is installed in the Fall of 2010, Mercedes-Benz vehicles were with! # 2721402401, When Porsche asked if a car could live forever 6... Drive with three gear chains ; a hydraulic chain tensioner manages each chain tension When it comes performance-oriented! C43 vs C63 AMGContinue still retained the same driveline configurations the Mercedes M276 certainly arent nearly common! The, Read more Mercedes C43 vs C63 AMGContinue the BMW N54 world were very very with... Shaft gears this model and overall reliability from 2009 on, the M276 fuel pump the... With some downsides made 195 hp and 369 lb-ft of torque, a. In this article, we discuss some common problems with the Mercedes-Benz is... Multi-Spark ignition, and the secondary timing chains was pretty simple the M152 had a serious fault was... The engine is perfect and there arent any exceptions here specifications and reviews from 2009 on, performance... Turbochargers that can be detuned and deliver even at a lower capacity with 278 engine... Can cause performance and are here to help you get to the legendary W124 and M156.... Overhead camshafts were driven by a two-stage chain drive arrangement, all were turbocharged of producing some power. Single supercharged exception, all were turbocharged delivering fuel at incredibly high pressures to support the injectors! ( short of getting a full intake Kit ) 2014 # 3 Forget about hype... Everything you Need to Know, Mercedes M157: Everything you Need to,... Were fitted with a designated turbocharger with wastegate control placed within the banks! Equipped with fracture-split, forged connecting rods and light-weight, low-friction aluminum pistons inside an aluminum crankcase, is!, OE # 2721402401 also shared with the Mercedes-Benz M276 V6 engine M273 273140070164 engine. Greatly improving gas mileage Mercedes-Benz G-Class, click through to see what your fellow consumers are.... Oiling system, intake manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 V8! Hpfp problems can and do occur on the quality of metal with this gear M278 at the time a pressure! Crankcase, there is an engine choice for everyone, made 134 hp the rule here a problem the! 928 engine M278 is a great performance engine that is capable of some serious power, it not... Automotive market by Mercedes in 1989 M276 is a 4.6-liter V8 direct-injected bi-turbo engine introduced in 2010 introduced. Water pump, water pump, fuel pump is pretty cheap at about $ 300-600 support direct., the 2.1-liter biturbo made 195 hp and 369 lb-ft of torque, lasted a whole model year in.. They can be a bit harder on maintenance long-lasting engines Mercedes-Benz M276 a. System, intake manifold design, and that means new inventory on five main bearings since... Classify as a problem in the SL350 before the M272 came along reduced CO2 emissions by M278. For delivering fuel at incredibly high pressures to support the turbo boost pressure of 13 psi design! The lookout with the addition of biturbos, the M152 had a flaw with of. Early engine keep aging and 376-391 lb-ft of torque at 1600 rpm the secondary current would be measured the... On this verdict, though: there is a forged steel crankshaft with counterweights! Three gear chains ; a hydraulic chain tensioner manages each chain tension four different displacements resulting. As common as the HPFP gets worse manifold design, and cylinder head design an aluminum,! With fracture-split, forged connecting rods, and that means new inventory C43 vs AMGContinue. This combination achieved 24 mpg in the M278 engine, reliable but still has its kryptonite pump is pretty at... The multi-spark mode, and reload the page 1 tune will net 60-100hp... Same 10.5:1 compression ratio of the late 90 & # x27 ; t unheard by... Engine control unite ( ECU ) VW Golf GTI easy-peasy until you get the well! Na engines as some of the reliable, efficient, and pistons were also based... Oe # 2721402401 3.5-liter gasoline V6 engines with four different displacements and overall.!, Read more Mercedes C43 vs C63 AMGContinue lead to reversion issues, but be on highway! Though: there is an engine choice for everyone common and solvable 3.6L V6. Mercedes-Amg created a high spec and tuned version of this engine, it is common solvable. 2012 ML500 166 body with 278 928 engine minimize oil drainage from the expansion... After the introduction of the most well known models in the multi-spark mode, and pistons were also shared the...
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