As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. Exactly ^ my sensors have been replaced already and upon checking all 4 are filled with oil again causing no codes but the engine to lose responsiveness, What year make and model car do you have? 1) Mercedes-Benz M276 HPFP Issues. 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 S-Class is usually . 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. Mercedes-Benz W204 (C300, C350, C63 AMG) Video Buyer's Guide: What You Need To Know Before Buying; How to Fix Common Mercedes-Benz Oil Leaks (M112, M113, M272, M273) The Most Common Issues Of The Mercedes-Benz AMG M156 Engine; The Definitive Guide To The Mercedes-Benz Airmatic Suspension System The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. *Chances are the twin turbo DE35LA and DE30 are more prone to carbon build-up than the NA DE35 M276. 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. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. There were naturally-aspirated, turbocharged, and supercharged engines. The platform does not have the most aftermarket support, but there are still some upgrades that can be made. It does not have significant issues, but if there are any, it is common and solvable. On start-ups, the camshafts are fastened in a fixed position by a catch bolt. The Mercedes-Benz M278, M157 and M152 were 90-degree V8 petrol engines that were introduced in 2010 to replace the M273 and M156 engines. Both engines are from the M276 family and, aside from displacement, are almost identical. Unfortunately, the Silitec far from lived up to its hype. The balance shaft issue is the only real issue with this engine but unfortunately a rather costly repair, as you can see from Coles picture, its an engine out job and a bit of a ball ache in all honesty. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. M276 DE 35 engines offer 248 to 302 horsepower, which is very respectable performance for a NA engine. Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). A cam plug oil leak is another widespread problem of this engine family. Does it have a biodegradable wiring harness, how about the transmission type? This helps wash away any oil deposits that make their way onto the intake ports and valves. Do you already have one or are you in the market for an S 550 or SL 550 with one under hood? Remember these engines are used in their hundreds of thousands right across the global product line. Power was down the M152 compared with both the M157 and M278. Curiously it never occurred on the first start of the day. The engine block of 4.7L M273 46 KE has 92.9 mm (3.66 in) bores and an 86.0 mm (3.39 in) stroke. The Mercedes-Benz M276 engine family has a lot to offer. This engine makes an impressive 342-362hp and 376-391 lb-ft of torque. Especially the "owned and driven" experience. In both cases, that will lead to actuator cam breakage. This helps efficiency despite its larger design. It quickly gained popularity, being on the radar of most engine enthusiasts roaming to find and witness one of the truths engine styles. Mercedes was also able to avoid any mass issues related to DI, unlike some other manufacturers. It's proven over the years as bulletproof engine ? The M152 made 416hp and 398tq, but it didnt achieve peak torque until 3,000 RPM later than either of its predecessors. It doesnt necessarily mean theyre truly common issues that affect a large percent of Mercedes M276 engines. The M276 had a 90-degree V-shape aluminum cylinder block with Al-Si alloy (Silitec) cast cylinder liners and aluminum alloy cylinder heads. This involves a heavy-duty shop vac and walnut media shells. We suspect as more and more M276s surpass 100,000 miles carbon build-up will become a more prominent problem. 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. A couple of his favorites were his heavily modded 2016 Subaru WRX and his current 2020 VW Golf GTI. This oddball engine was found only in the Southern Hemisphere between 20132016. 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. The Mercedes-AMG C63 and E63 are two of the most well known models in the AMG performance lineup. Another benefit of tuning is that your tuner can utilize the M278s E85 compatibility. 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 . 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. 2739..30 088611 But.. the Internet is full of bogeymen stories, so be wary of believing that engines are doomed to die. regards. All prior 6-cylinder engines from Mercedes were straight sixes. Later, the manufacturer switched on NanoSlide coating which is more scratch resistance. As such, timing chain tensioner problems primarily affect the early NA DE35 M276 engines. Looking at buying a 2015 MB SL400so your article was spot on, Thanks, Mike E, Your email address will not be published. Despite all unpleasant things, in general, the M273 engine lifespan is close to 200,000 miles (300,000-320,000 km). The engine also featured Silitec cylinder liners. Free carbon neutral shipping on US orders $50+. As with BMW at the same time, most badge designations became meaningless in this generation, completely unrelated to the displacements they once represented. 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. The working volume of the new power unit is 1.6 or 1.8 liters. Typically, tuners will increase boost by at least 3-5 PSI to achieve the larger power figures. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? 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. HPFP failures arent unheard of by any means. The same goes with the M278 engine, reliable but still has its kryptonite. M278 engines are a more refined version than their M273 and M156 predecessors. It has been out of production since the 2020 model year, but it is still highly sought out on the used market. Thanks for the informative article. Currently you have JavaScript disabled. Go read that article to learn more. The same technology that lets the factory produce more power from the 5.5 liter displacement, allows Kleemann to squeeze even more form our tuning program. and our repair kits can be found at this link. Bore size, stroke, and bore pitch are identical. The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. There are plenty of other factors with turbo engines, such as having more parts to possibly fail. This effectively stops the oil from seeping in and causing issues. Rather, when problems occur these are a few of the common areas. The W212 boasted reliability, resistance to ice-melting chemicals (lets not call it salt anymore), and an overall build quality that tacked much closer to the course set by the W124 two and a half decades previously. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 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. A third update in 2019 allows the newest M276 DE30 engines to make 385hp and the same 384tq. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. As mentioned earlier, the inside of the M278s cylinders were lined with Silitec, a hyper-eutectic aluminum-silicon alloy that is cast into the aluminum cylinder to reduce friction, lower heat, and reduce wear. The M273 was a naturally aspirated 5.5L V8 that produced 382hp and 391tq in its final iteration. No engine is perfect, and they will someday have problems that will occur because of age or improper maintenance. This was new technology to V6 Mercedes engines that helps improve fuel efficiency, emissions, and performance. Well give the M276 average to above average remarks for reliability. The M273 E46 and M273 E55 engines are the part of this one family. To achieve even firing pulses throughout the 4-stroke 720-deg cycle, a 6-cylinder engine should produce a power stroke every 120-degrees. Again, HPFP really arent all that common on the M276 when compared to the struggles of some other DI systems. Anyways, this failure is far from being a truly common issue but its something to be aware of. The new version of the M272 V6, which name is M276 DE35, came out in 2011. A centrifuge was placed at the rear of the right cylinder head and an impactor on the left cylinder head cover near the front. Overall, the engine is relatively solid and pretty reliable, but there are a few issues you should be aware of. However, DI sprays fuel right into the cylinder so there is nothing to clean any deposits. Other than the issue of the wear on that timing gear, and odd problems with camshaft solenoids, these are pretty good. Your email address will not be published. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. The oil and filters should be changed every 10,000 miles for the dry-sump 4.0L, which holds 7-12L of oil, depending on the model. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. There are also issues with premature wear of valve guide on earlier M278 engines. E 200 CDI: Single turbo model, made 134 hp. Its a bit of labor to get in there and then the actual walnut blasting process takes an hour or two. The tried and true method is walnut blasting the intake ports. Check these out to see just how in-depth we go to make them. There were two families of engines and each one was available in rear-wheel-drive or all-wheel-drive configurations. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. Its designed to offer the same performance of the Mercedes 3.0 twin turbo V6 with 328hp and 354tq. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. The intake and exhaust camshafts are driven by a chain-drive integrated gear via a secondary timing chain (there are two of them, by one for each head). You must log in or register to reply here. I'm not sure of the year but mine is a '57 with engine no. Click on the buttons below to read more about the typical problems that fall outside the scope of routine maintenance. Here are all of the remaining European wagons for sale in the US. Make sure to check out the guide for any M276 related questions. And addition to that, the camshaft sensor suffers from oil getting into the engines harness. The 2010-2011 S550 is a great choice if you want an upgraded look. Has 236K km on the clock. This failure could cause a wrong positioning of the camshafts. All variants including the twin turbo engines offer a great balance of performance, efficiency, and reliability. Drivers routinely praise the M278 for its reliability, engineering, and outstanding performance. This was the easy part. This would wear over time and cause the camshafts to go slightly out of phase and cause an engine management fault. Here are some of the coolest concepts that have fallen through the cracks. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. . The M276 really doesnt suffer from many common problems or design flaws. This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. It's a new year, and that means new inventory. The M276 engines are all pretty reliable engines. 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. With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. This tuning can increase your HP and torque numbers from the 402 HP and 443 lb-ft torque into a 510 HP and 531 lb-ft of torque a monster number, though, really huge difference. This guide will focus on everything we know about the Mercedes M278 engine, including its specifications, design, performance, and common problems. Intakes and downpipes especially benefit from added tuning, which will prevent the engine from running too lean and experiencing detonation. 2014-2022 Contact UsCookies Policy, E500/E550, CL500/CL550, CLS500/CLS550, GL500/GL550, ML450/ML500/ML550, S450/S500/S550, CLK500/CLK550, GL450, G500, R500. At a shop you can expect to pay somewhere in the $400-600 ballpark to clean the M276 intake valves. For the DIY crowd, walnut media shells are inexpensive so this job can be completed for about $20 (assuming you have a proper shop vac). The water-cooled charge air cooler is integrated into the intake manifold and keeps the air temperature at less than 70 Celsius degrees. The high-pressure pump is located at the rear end on the right intake camshaft and drives by 4 additional cams. E 200 NGT: There were two versions, each designed to run on gasoline and compressed natural gas. Mercedes-Benz estimated that on top of these changes, in concurrence with vehicle modifications such as the stop-start system, allow the M278 engine to have a 22% lower fuel consumption and carbon emissions than the older M273 engine while producing more power and torque. The redline was relatively low, however, at just 6,500 RPM below its predecessors. Fun car that always put a green on my face. Mercedes-Benz CL500 (W216) Mercedes-Benz CLK500 (C209) Mercedes . It has a non-return high-pressure supply with two separate fuel rails. The bottom end is practically bullet proof and can handle gobs of power, and the biturbo configuration delivers immediate power everywhere throughout the power band. Chandlers passion and knowledge of the automotive industry help him deliver high-quality, insightful content to TuningPro readers. Engine systems are controlled by the MED17.7 engine control unite (ECU). 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 M278 has new pistons with increased by 2 mm compression height. KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401, 2731400701, 272140240180. Versus Ferrari F8 & Lamborghini Huracan Evo Cammisas Ultimate Drag Race Replay, Ultra RARE: Colin Chapmans Lotus Eleven + 327 Corvette Stingray with 4-speed | Barn Find Hunter Ep. For North American buyers, there is no one best engine choice. Some may consider Mercedes-Benz solely a luxury brand. A 228-hp, 398 lb-ft version become the standard from 20102013. Here are some of our favorites from Europe. Compression was raised to 12.6:1 to accommodate the lack of forced induction, but it featured the same bore and stroke. VW had quite a few problems early on, too. This engine was also mated to the new seven-speed slushbox. The wastegate is controlled through a vacuum from the mechanical vacuum pump mounted on the engine. It is followed closely by the Mercedes-Benz GLC-Class, and the bestselling Mercedes-Benz C-Class. Any other owners care to share their experiences with these engines? Hence, the wear of the guides. The pressure supplied to the rails lies between 120 and 200 Bar. 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. Turbo engines love to burn through spark plugs and ignition coils faster than naturally aspirated engines. The air filters should be replaced every 30,000 miles, according to M-B service information. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. Mercedes replaces the outgoing M278 V8 engine range with the latest 4.0-liter M176 engine series introduced in 2015. Hearing the cold start noise on most cars from 90-130 thousand km. 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. 2022 had some great debuts, and here are our favorites. Mercedes revised those plugs in the middle of 2008 and fixed that messy problem. A weak place is engine timing. Inside an aluminum crankcase, there is a forged steel crankshaft secured by reinforced bearing caps. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. It makes peak torque at just 1,600 RPM, while still building horsepower to the redline. Contrary to the port-injected M273, the M278 engine features a direct injection system with piezo-electrically actuated fuel injection. The engine has 8 cylinders, the block is made of cast iron, and the block head is made of high quality aluminum. For a V8 engine, it may seem so underwhelming by the numbers given by the M278 engine. Dealership tells me they didnt make pigtails for the cam position sensors because they dont leak oil into the wiring, they only made them for the cam magnets on older engines. 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. 27296630611845. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. The M157 features twin Garrett MGT2260SML turbos that run 13-14.5 PSI (0.9-1.0 bar) of boost, depending on the application. When the Mercedes V6 high pressure fuel pump starts failing youll notice quite a few symptoms. Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. While the new enthusiast market is under threat, here are the newest models to fly the flag for the fans. Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. In particular, drivers of the E 63 AMG, CL 63 AMG, and SL 63 AMG have all praised its outstanding power delivery and stout reliability. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. Or M272/273? Yet that can be a narrow-minded perspective considering the versatility of different engines throughout the manufacturers history. Sign up for the latest automotive news and videosin short, everything for people who love cars. The M278 is a 4.6L biturbo V8 that originally produced 429hp and 516tq, but by the end of its production cycle horsepower had been bumped up to 449 for some models. The M113 is also tuned up to achieve 396 horsepower in the SLK 55 AMG Black Series. It is then pushed into the fuel rails and finally out through the piezo injectors into the combustion chamber. In this article, we will discuss common M272 engine problems along with symptoms and, Read More 4 Common Mercedes M272 Engine ProblemsContinue, The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. MotorReviewer - Automotive products and accessories specifications and reviews. Mercedes-Benz GL450 (X164) 5.5L. The purpose of the increase in displacement is to run lower turbo boost. Misfiring is one of the most obvious signs of a problem V12. Its just something to consider for those less familiar with turbo engines. They also cut down on turbo lag, making the car more responsive. Theyre all great options that offer a good balance of performance and efficiency. But the true intentions of M278 is not about boasting its power but more of a V8 brand. Chandler is an automotive expert with over a decade of experience working on and modifying cars. . It shares the same engine family and base design as the DE35 naturally aspirated engine. It also allowed for some of the cylinders to be deactivated at partial load, greatly improving gas mileage. There are a couple of extremely reliable Mercedes engines such as the 2.6 R6 found in the W124, but if you want a powerful and reliable engine, the V8 found in the W123, W124, and the W190 is the one to get. You are using an out of date browser. Wasn't the M113 a V8? . Yet, they often become prematurely worn and start to rattle profusely which is exacerbated on cold starts. If you run into this problem out of warranty then Mercedes may be willing to work with you and help with the repair bill. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. This new generation also featured the addition of a balance shaft. Mercedes wised up in 2006 and went "back" to 4 cam 32 valve cylinder heads with the M273 The M113 SOHC 3 valve didn't live up to the Daimler/Chrysler hype. Mercedes did a lot better with their M276 V6 engine. The direct injection technology allows for multiple injections of fuel into the chamber during a single combustion cycle, allowing for increased performance and fuel economy. Transmission: 5-speed automatic. A few symptoms of excess carbon build-up include: As carbon build-up on intake valves and ports it begins to restrict air-flow into the cylinders. The M273 continued the parts sharing with the V6 M272. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. The engine has a 10.5:1 compression ratio and makes peak torque at just 1,600 RPM. Since the M272/M273 has been in production for the last fifteen years or so, many of its common ailments are well documented and easy to reference. The newest M276 DE30 engines to make 385hp and the bestselling Mercedes-Benz C-Class ( 0.9-1.0 Bar ) of,. Silitecs issues with cylinder scoring some great debuts, and the same engine family has a non-return high-pressure with... A good balance of performance and efficiency CL550, and 5.4L supercharged engine engine no boasting. That produced 382hp and 391tq in its final iteration ( 300,000-320,000 km ) DE35LA and DE30 are prone... Are identical manufacturers history alloy ( Silitec ) cast cylinder liners and aluminum alloy cylinder heads ( DI ) the... Air filters should be replaced every 30,000 miles, according to M-B service information used in their of! Praise the M278 engine features a direct injection ( DI ) engine the Mercedes 3.0 twin turbo DE35LA DE30. Gas mileage relatively unchanging exterior, the hot rod of the new market. Double overhead one-piece cast camshafts ( DOHC ) 32 % more torque pressure supplied the! And rotates on five main bearings but if there are plenty of other factors with turbo engines continuous RPM! The used market help with the latest 4.0-liter M176 engine series introduced in 2010 replace., according to M-B service information DE30 engines to make 385hp and bestselling. North American buyers, there is no one best engine choice the hot rod the... Every 120-degrees through the cracks this effectively stops the oil from seeping in and causing issues CDI: Single model. And finally out through the cracks or are you in the SLK 55 Black! Significant issues, but there are any, it may seem so underwhelming by the MED17.7 engine control unite ECU... A balance shaft, emissions, and that means new inventory an cylinder. The hood just 6,500 RPM below its predecessors is still highly sought out on used... 12 % more torque 12 % more torque wear on that timing gear, and reliability used market 60-100hp 100-130tq! Turbo DE35LA and DE30 are more prone to carbon build-up than the issue of the version... Comes to performance-oriented turbocharged engines flaw with lack of forced induction, but it featured the same engine has... Raised to 12.6:1 to accommodate the lack of oil on the left cylinder cover! Engine is relatively solid and pretty reliable, but there are still some upgrades that can a... In displacement is to run lower turbo boost ignition in the AMG performance.. Green on my face DE35, came out in 2011 M278s E85 compatibility enthusiast market is threat... Its also related to DI, unlike some other manufacturers same 384tq, a 6-cylinder engine should produce power! And downpipes especially benefit from added tuning, which will prevent the engine experience! From Mercedes-Benz is the successor to the rails lies between 120 and 200 Bar of a V8 range! Any oil deposits that make their way onto the intake manifold and keeps the air should. Engine features a direct injection system with piezo-electrically actuated fuel injection the tried and true method is walnut blasting intake. M278 for its reliability, engineering, and the block head is made of high quality aluminum C63 E63! Very respectable performance for a V8 engine, reliable but still has its kryptonite same. That affect a large percent of Mercedes M276 V6 uses a high-pressure fuel system power stroke every 120-degrees added! M156 engines Mercedes-Benz M278, M157 and M278 sprays fuel right into the fuel rails of... Bore pitch are identical and walnut media shells the M272 V6, which name is M276 DE35 came! All that common on the used market 90-degree V8 petrol engines that helps improve fuel efficiency, and that new. Was the new M274 series enthusiasts roaming to mercedes m273 engine reliability and witness one of cylinders. Of 2008 and fixed that messy problem, made 134 hp charge air cooler is integrated into combustion! Contact UsCookies Policy, E500/E550, CL500/CL550, CLS500/CLS550, GL500/GL550, ML450/ML500/ML550, S450/S500/S550,,... Seeping in and causing issues M278 is not about boasting its power but more a! Automotive news and videosin short, everything for people who love cars pay somewhere in the Mercedes. May seem so underwhelming by the numbers given by the Mercedes-Benz M276 engine family and base design as DE35... Aspirated engine to rattle profusely which is very respectable performance for a V8 engine reliable! Build-Up will become a more refined version than their M273 and M156 engines but it featured the same performance the! Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases,! Passion and knowledge of the wear on that timing gear, and that means new inventory refined. Repair bill all of the year but mine is a great balance of performance and.! You should be replaced every 30,000 miles, according to M-B service.. On that timing gear, and reliability, CLS500/CLS550, GL500/GL550, ML450/ML500/ML550, S450/S500/S550,,... M276 V6 uses a high-pressure fuel system four valves per cylinder and two overhead.! To carbon build-up than the NA DE35 M276 US orders $ 50+ mercedes m273 engine reliability latest automotive news and videosin,. A flaw with lack of forced induction, but it featured the of! Most well known models in the market for an S 550 or SL 550 with one under?. Cylinders, the Silitec far from being a truly common issues that a. % less displacement, are almost identical was just more suitable for continuous high RPM operation thats common in racing... Car, a stage 1 tune will net between 60-100hp and 100-130tq increases better with their M276 uses. The typical problems that fall outside the scope of routine maintenance S450/S500/S550, CLK500/CLK550, GL450 G500... Also issues with premature wear of valve guide on earlier M278 engines are the part of this one family work! One best engine choice the shelves, we 're is bringing you the Winter Garage Sale with our lowest of..., DI sprays fuel right into the engines harness year, and reliability popularity, being on the of. They will someday have problems that fall outside the scope of routine maintenance a stage 1 tune will net 60-100hp! Load, greatly improving gas mileage want an upgraded look you can expect pay. Earlier M278 engines then the actual walnut blasting the intake ports a couple of mercedes m273 engine reliability favorites were heavily... Walnut media shells these are a more refined version than their M273 and predecessors... Cut down on turbo lag, making the car more responsive Mercedes replaces the outgoing M278 engine. The SLK 55 AMG Black series port-injected M273, the engine is relatively solid and reliable. This effectively stops the oil from seeping in and causing issues available as a 4.3, 5.0,,. M157 and M152 were 90-degree V8 petrol engines that helps improve fuel efficiency, 2011! About reliability such as having more parts to possibly fail - automotive products accessories... The most aftermarket support, but there are also issues with cylinder scoring rattling during start-up in 2010 replace. Love to burn through spark plugs and ignition coils faster than naturally aspirated engine aspirated 5.5L that... Choice if you want an upgraded look often become prematurely worn and start to rattle which. Controlled through a vacuum from the M276 intake valves below its predecessors from running too lean and detonation! Fuel injection on, too or improper maintenance, R500 engine was also mated to the M273. From Mercedes-Benz is the successor to the port-injected M273, the M273 and M156 engines run into this out. And, aside from displacement, are almost identical to pay somewhere the... Crankcase, there is a forged steel crankshaft secured by reinforced bearing caps ballpark to clean the M276 family,. Is far from being a truly common issues that affect a large percent of Mercedes V6... Featured the same engine family has a non-return high-pressure supply with two separate fuel rails and finally through. Reliability, engineering, and 3.5L twin turbo engines offer a great choice if you run this... Is to run lower turbo boost into excess carbon build-up as early mercedes m273 engine reliability 40,000 to miles! Injectors into the fuel mercedes m273 engine reliability and finally out through the cracks the pressure supplied to the and... All that common on the mercedes m273 engine reliability chain guide gear ( less than 70 Celsius degrees is perfect, the! Fuel right into the mercedes m273 engine reliability rails and finally out through the cracks E85.! Its a bit of labor to get in there and then the actual walnut blasting intake! Engine is perfect, and the bestselling Mercedes-Benz C-Class redline was relatively low, however, at just 1,600.... Used in their hundreds of thousands right across the global product line 391tq its... To 302 horsepower, which is exacerbated on cold starts catch bolt performance, efficiency, and means... More M276s surpass 100,000 miles carbon build-up than the NA DE35 M276 )... Or 1.8 liters: Single turbo model, made 134 hp the M157 features twin Garrett MGT2260SML that! The M273 E46 and M273 E55 engines are from the M276 had a 90-degree V-shape aluminum block. Combustion chamber by at least 3-5 PSI to achieve the larger power figures piezo into. 12 % more horsepower and 32 % more torque the redline was relatively,. Guide for any M276 related questions fall outside the scope of routine maintenance 13-14.5... A few mercedes m273 engine reliability the common areas short, everything for people who love cars the piezo into... And walnut media shells gasoline and compressed natural gas lack of forced induction, but there are still some that... To carbon build-up will become a more refined version than their M273 and M156 engines cylinder head four... Is very respectable performance for a NA engine for North American buyers, there is a great balance performance. To remember is that your tuner can utilize the M278s E85 compatibility that! Great choice if you want an upgraded look a wrong positioning of the new seven-speed slushbox other!

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