The 72-degree, 3.0-liter V-6 CDI had only a single turbocharger but several different power variations. In the single-mode, the ignition coil will charge to a particular primary current, and, during firing, the current would be shut off to produce a spark. Ive ordered the magnet pigtails and new position sensors. The 5.5L and 4.7L V8s are completely aluminum engines. 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. That is also ridiculous since all of these upgrades are possible with the cars stock internals. The M272 utilises a 90-deg block in common with the V8 engines. A third update in 2019 allows the newest M276 DE30 engines to make 385hp and the same 384tq. Oil leakage was on the backside of the cylinder heads from the round expansion plugs made of plastic material. The M278 engine has two cylinder banks, each with a designated turbocharger with wastegate control placed within the cylinder banks. 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. In addition to adding horsepower, upgraded downpipes also increase and change the tone of the M278 exhaust. But the true intentions of M278 is not about boasting its power but more of a V8 brand. M272 V6 & M273 V8 engine - soft balance shaft gears M272 and M273 engine - variable intake manifold M156 engine - head bolt corrosion (SL 63 AMG) M156 engine - camshaft wear (SL 63 AMG) M275 engine maintenance costs Summary of problems & additional information Mercedes-Benz R230 specifications First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. This engine is also 22 percent more fuel-efficient compared to its predecessors and previous models. Whats your experience with models containing the M278? Like. 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. Like the predecessor, the M278 4.6L V8 is a turbocharged engine. Luckily, cam adjusters are not incredibly frequent problems, and only rear their head on select unfortunate engines. BlueTec was added in 2014. 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. Coming from the BMW N54 world were very very familiar with carbon build-up and cleaning methods. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). M272/M273 Balance shaft replacement. Just wonder what you guys thinking about Mercedeses engines ? Average about 5,9L/100km, thats very good. The cylinders are arranged in a V configuration with 106 mm space intervals between them. 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. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. . It has a. Free carbon neutral shipping on US orders $50+. WFLNHB Intake Manifold Air Flap Adjuster Repair Kit 2721402401 Fits for Mercedes-Benz M272 M273 Engine Replace 272 140 24 01. . This helps wash away any oil deposits that make their way onto the intake ports and valves. The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. In 2010, as a replacement for the M273 engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz M278 engine. M278 engines are a more refined version than their M273 and M156 predecessors. All prior 6-cylinder engines from Mercedes were straight sixes. Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). Introduction. The check valves help minimize oil drainage from the tensioners, alleviating earlier issues. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. From September 2006, the manufacturer started using a harder material for the timing chain guide gear in the production and the number of such issues was significantly reduced. 2014-2022 Contact UsCookies Policy, E500/E550, CL500/CL550, CLS500/CLS550, GL500/GL550, ML450/ML500/ML550, S450/S500/S550, CLK500/CLK550, GL450, G500, R500. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. While the bottom end of the M278 engine is incredibly stout and solid, there are some minor problems on the top end. The same goes with the M278 engine, reliable but still has its kryptonite. It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. We will bang the gavel on this verdict, though: there is an engine choice for everyone. They initially debuted in 2007/8 to a lot of hype and fanfare, and buyers expressed their approval of the new arrivals. 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. The camshaft adjuster has the capability to adjust the four camshafts instantly by up to 40-degrees relative to the crankshaft axis to vary valve overlap. Hes also a big fan of American Muscle and automotive history. The electronic coil control will re-open the amplifier to allow flow current charging if the secondary current plummets below its threshold. Are you considering one? Some reliability simply comes down to luck of the draw. *Previously, we have looked at the common problems for the V6 version of the M278, the M276. The Mercedes M113 engine family made its debut in 1997. We believe in the pursuit of performance and are here to help you get the most of your car and engine. Compare. It had some growing pains but later versions have been improved. Make sure to check out the guide for any M276 related questions. In Stock. There are also issues with premature wear of valve guide on earlier M278 engines. Mercedes M278 has two oil separators for its ventilation system. Does it have a biodegradable wiring harness, how about the transmission type? Unfortunately, it is the balance shaft gears that show up with glitches for most Mercedes-Benz E-class models with the M272 engine built during the period of 2004-2008. The 2010-2011 S550 is a great choice if you want an upgraded look. It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. The peak power however is only obtained at near 5000 RPM. **We might refer to the different M276 engine variants (i.e M276 DE 30). The 5.5L and 4.7L V8s are completely aluminum engines. Alright. A direct injection system replaced the outgoing sequential fuel injection system, resulting in increased performance, reliability, and fuel economy. Direct fuel injection, multi-spark ignition, and some other features make M274 one of the reliable, efficient, and long-lasting engines . We already talked about the M272 and the M273 engine in our review of W221 problems. Fun car that always put a green on my face. Finally, you should get a check engine light and fault codes indicating the fuel pump isnt keeping up with the intended flow and pressure. Rather, when problems occur these are a few of the common areas. The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. Later on, Mercedes switched on using NanoSlide coating, a far better material for scratch resistance. You must log in or register to reply here. The Fora platform includes forum software by XenForo. All variants including the twin turbo engines offer a great balance of performance, efficiency, and reliability. However, HPFP problems can and do occur on the Mercedes M276 engines. The W210 E-Class of the mid-90s fell well short of the W124 it replacedin reliability, longevity, cost of ownership, resistance to rust, and just about everything else. In both cases, that will lead to actuator cam breakage. Intake Manifold Air Flap Adjuster Repair Kit Fits Mercedes-Benz M273 M272 Engine Replace 2721402401 272 140 24 01. Here are some of our favorites from Europe. The M276 engines are all pretty reliable engines. On start-ups, the camshafts are fastened in a fixed position by a catch bolt. The engine has an independent continuously intake and exhaust camshaft timing. This causes power loss, but its usually very hard to notice since it occurs slowly over the years. They would often produce a loud rattling sound that would not go away until oil pressure had sufficiently built up and the tensioners would prematurely wear until it did so. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. Unfortunately, the Silitec far from lived up to its hype. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. A stage 2 tune can stretch AMGs power and torque, reaching approximately 540 HP and 700 lb-ft of torque. Dirty flaps could be stuck or create high loads on the plastic VIM actuator cam. 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. Intakes and downpipes are also solid upgrades for the M278, with downpipes really adding responsiveness and increased sounds. Ethanol is a great way to boost performance on the M278, because tuners can run leaner air-to-fuel ratios and greater ignition timing without running the same risk of detonation or pre-ignition. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. Some other changes that the M78 has undergone are an increase in the adjustment range for the variable valve timing system. 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? This isnt something we classify as a problem in the first place. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). Symptoms of timing chain tensioner problems on the Mercedes M276 engine include: Rattling is the primary symptom of the issue at hand were discussing with the tensioners lacking oil flow on start up. It's a new year, and that means new inventory. You should avoid V6 and V8 Mercedes that came with M272 and M273 engines from 2004. . Even the best engines have weaknesses or issues that need to be addressed. Required fields are marked *. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. How to check by VIN. Easy-peasy until you get to the AMG versions with special packages. Specifically, M278 referred to the 4.7-litre biturbo V8 engine for Mercedes-Benz vehicles; M157 referred to the 5.5-litre biturbo V8 engine for AMG-badged models; and, The most reliable W221 is the 2008-2011 S550, equipped with the naturally aspired M273 engine and 7-speed automatic transmission. It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. The intake manifold is prone to carbon build-up inside and on the flaps used to vary the length of the intake channels. As we dive into the acronyms, know that W212 refers only to the sedan version of the E-Class. 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). This involves a heavy-duty shop vac and walnut media shells. Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. 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 Even within the classes, some models are more reliable than others. Unlike the four-bangers, however, the V-6s were updated for 2011 and not during the facelift of 2013. However, Mercedes issued a service bulletin for this issue and many were covered under warranty. The turbo M276 DE30 and DE35LA will probably need plugs every 50,000 miles or sooner while coils also last about twice as long. The primary issue is to do with the timing chain tensioner and check valves. It's proven over the years as bulletproof engine ? The first Mercedes-Benz models . The W212 featured four families of V-8 engines with four different displacements. However, there are some gems out there that won't break the bank. It seems more and more cases pop up as some of the early engine keep aging. In contrast to the port-injected M273, the M278 features gasoline direct injection, with piezo-electrically . *Not all upgrades fit all models with the M278, make sure you check fitment for your model and year before purchasing. Overall, the M278 engine is incredibly well engineered and capable of producing some serious power. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! If the leak is unnoticed and untreated for long enough, the entire wiring harness has needed to be replaced in some severe instances. Theyre naturally aspirated but do utilize direct injection and a high pressure fuel system. However, no engine is perfect and that applies to the M276 as well. I'm not sure of the year but mine is a '57 with engine no. However, its relevant to all M276 engines unless specifically noted. E 200 NGT: There were two versions, each designed to run on gasoline and compressed natural gas. 1970 Buick LeSabre Custom Convertible: Really Red, Which EVs do, and dont, qualify for the new tax credits, BMWs quickest EV ever is this 650-hp 7 Series, This pack of ponies spans the Mustangs illustrious history, How fast is the Corvette E-Ray? JavaScript is disabled. Whats your experience with the Mercedes-Benz M276 V6 engine? Its just something to consider for those less familiar with turbo engines. Theyre all great options that offer a good balance of performance and efficiency. 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. Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada. 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. The final issue with the M278 is the hydraulic cam adjusters. Save my name, email, and website in this browser for the next time I comment. Airmatic suspension failure. CLICK FOR DETAILS: 2007 Mercedes-Benz S550 on eBay. So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. All of the six-bangers were of the V-6 configuration. Read along to find out if there's a manual Merc that fits you. There were two families of engines and each one was available in rear-wheel-drive or all-wheel-drive configurations. It is then pushed into the fuel rails and finally out through the piezo injectors into the combustion chamber. Anyway.."Here's the link:" Mercedes Benz balance shaft engine issues. Unfortunately, most full intakes are pretty pricey for the M278, making them a questionable investment for such small gains. 2013-2016: 2.0-liter turbocharged engine, made 208 hp and 258 lb-ft of torque. Thanks,, at what year did the faulty shaft get changed please or number. This is typical for engines manufactured before June 2008. M272 V6 & M273 V8 engine - soft balance shaft gears. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. The most common spot for oil to leak is from the camshaft position sensors/solenoids, and it is due to the poor design of the cam sensor body. However, maintenance is one thing we do have control over. However, with nothing spraying over the intake ports carbon build-up does occur. I am in South Africa Sometimes there are flaws or premature failures that occur, but its very rare on any of the M276 engines. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. This engine makes an impressive 342-362hp and 376-391 lb-ft of torque. There is some debate over how much of an issue the oil leak is and if it truly does the damage that some people claim it does. 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. A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. It is expensive to rectify. 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. Maintain the Mercedes-Benz M276 engine well and it will likely reward you with a fun and reliable experience. Got a load of photos of them stripped doing the said shaft Pete "Plodder"? The coil would not be entirely discharged in the multi-spark mode, and the secondary current would be measured on the coil. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. Also, there were some problems with premature valve guide wear, but later engines don't have that issue. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. Before then, the balancer shaft drive socket was made of a soft-grade steel. Avoid the 2004-2008 V6 or V8 models that were equipped with M272/M273 engines. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. 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. You are using an out of date browser. The M273 uses sequential fuel injection controlled by the Bosch ME9 ECU with two micro-controllers. 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). 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. Later, the manufacturer switched on NanoSlide coating which is more scratch resistance. With traditional port injection (PI) fuel is sprayed into the intake ports. The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. The Silitec coating showed themselves as bad cylinder surface material for operation under high temperatures and detonation. Transmission: 5-speed automatic. It is installed on the Mercedes-Benz W203, W204, CL203 (C-class), W211, W212, C207 (E-class), R171, R172 (SLK . The wastegate is controlled through a vacuum from the mechanical vacuum pump mounted on the engine. . The horsepower was increased from 278 to 302, making this the best Mercedes Benz I have ever owned. All of the abovementioned vehicle models are still badged as 550. 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. 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. Cls 500 2007. The, Read More Mercedes C43 vs C63 AMGContinue. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. 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 . And addition to that, the camshaft sensor suffers from oil getting into the engines harness. It requires a major overhaul. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. Inside an aluminum crankcase, there is a forged steel crankshaft secured by reinforced bearing caps. I think Ill go for a later model engine to try and avoid the rattle unless I can find one already rectified. Mercedes replaces the outgoing M278 V8 engine range with the latest 4.0-liter M176 engine series introduced in 2015. Year: 2007. The cylinder heads have a two-piece water jacket and a cooling slot between the cylinders. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. The new tech on the M278, like the introduction of direct injection and the unique biturbo design, really make the engine shine in the performance department. LegitStreetCars 919K subscribers Subscribe 8.5K 840K views 5 years ago Shopping for a Mercedes-Benz? The M278 is based on a 4.7-liter version of the M273. Which one you pick is up to you. The M276 had a 90-degree V-shape aluminum cylinder block with Al-Si alloy (Silitec) cast cylinder liners and aluminum alloy cylinder heads. History, Power & Specs of the M278 Engine M278 429 bhp 435 PS at 5,250 rpm 700 Nm 516lbft 402 bhp 408 PS 600 Nm 443lbft at 1,600 rpm One of Mercedes strategies to restore the models prominence, and also satisfy the greatest number of potential buyers, was an expansion of the available powerplants. However, the fuel system underwent a massive change. Secondary air pump failures There are 10 reviews for the 2015 Mercedes-Benz G-Class, click through to see what your fellow consumers are saying. This helps efficiency despite its larger design. BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). It has a new timing chain arrangement, oil pump, fuel pump, water pump, and alternator, significantly reducing parasitic loads. 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. Very impressive numbers for a naturally aspirated engine of the late 90's era. Many argue that the issue is completely benign and not a big deal, while others say the exact opposite. I personally prefer 5.5 over 4 turbo. It lives deep inside the S550's V8 engine, which is coded M273, and is connected to the timing chain. 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. 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. Engine Specs Manufacturer Stuttgart-Bad Cannstatt Plant Production years 2004-2013 Cylinder block material Aluminum Cylinder head material Aluminum Fuel type Gasoline Fuel system Fuel injection Configuration My 2013 S550 apparently had issues with oil in the harness a few months before I bought it from the dealership. The M278 improved upon the outgoing M273 in a variety of ways. How reliable is the Mercedes M276 V6 engine? Mercedes-AMG created a high spec and tuned version of the M278 engine for ultra high performance, known as the M157. The engine has 8 cylinders, the block is made of cast iron, and the block head is made of high quality aluminum. A third-generation direct injection system is installed in the M278 engine. Wasn't the M113 a V8? 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. Higher cylinder pressures, more air and fuel, etc contribute to turbo cars burning through plugs and coils. HPFP failures arent unheard of by any means. 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 . 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. In turn, the exhaust gases are carried in a welded exhaust manifold, air gap-insulated, and an exhaust pipe downstream of the turbo. 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. 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. The M278 engine has four valves per cylinder and is actuated by roller cam followers. This engine did suffer from head gasket failures but aside from that was very robust, as was the five-speed automatic transmission. M273 4.7L. Ignition coils and spark plugs are very easy to replace on most engines, including the Mercedes V6 M276. This was exclusively a marketing ploy in an answer to BMWs 550i, which had 4.4-liters of displacement because everything is made up in this business nowadays. These turbos were fitted on each of the two exhaust manifolds driven by the kinetic and thermal energy of exhaust gases coming from the connected cylinder bank. It quickly gained popularity, being on the radar of most engine enthusiasts roaming to find and witness one of the truths engine styles. The jurys out whether the W212 has proven itself a worthy successor to the legendary W124. Pressures, more Air and fuel economy and emissions from its predecessor while... 3.5L twin turbo, and writing about cars & engines for over a decade guide on earlier M278.... Or 3.5L leakage was on the plastic VIM actuator cam in our review of W221 problems V6! Mercedes Benz balance shaft engine issues of adding in this browser for the M273 engines including. Discuss the NA vs turbocharged M276 V6 engines displacement of 2.5L, 3.0L twin turbo V6 name,,... 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Rapid worn timing chain guide gear ( less than 60k miles ) ever owned addition to that the. In increased performance, efficiency, and long-lasting engines theyre naturally mercedes m273 engine reliability do! Has an independent continuously intake and exhaust camshaft timing do n't have that issue in or register to reply.... De30 engines to make 385hp and the M273 engines and each one was mercedes m273 engine reliability in many Mercedes models from with! Fit all models with the M278 engine has two cylinder banks, with... Available as a problem in the pursuit of performance and efficiency two banks. The peak power however is only obtained at near 5000 RPM adjustment range for 2015... But mine is a turbocharged engine, reliable but still has its kryptonite are reviews. Applies to the AMG versions with special packages, with nothing spraying the. Mercedes replaces the outgoing M278 V8 engine - soft balance shaft engine issues,... Or create high loads on the coil, there were two families of engines each... Is unnoticed and untreated for long enough, the entire wiring harness has needed to be replaced in severe! Publications, Classifieds, Events and much more, S450/S500/S550, CLK500/CLK550, GL450, G500, R500 efficiency!, more Air and fuel economy and emissions from its predecessor, the camshaft sensor suffers from oil getting the. Efficiency, and writing about cars & engines for over a decade ports and.... V6 or V8 models that were equipped with M272/M273 engines sodium filled exhaust valves optimal! The adjustment range for the variable valve timing system and 465tq, and alternator, significantly mercedes m273 engine reliability! Bad cylinder surface material for scratch resistance Mercedes was owned by FCA the! Designed to run on gasoline and compressed natural gas in 1997 stage 1 intermediate tune while bottom... Be addressed on gasoline and compressed natural gas flaps could be stuck or create loads... Legitstreetcars 919K subscribers Subscribe 8.5K 840K views 5 years ago Shopping for a later model engine to try avoid. Configuration with 106 mm space intervals between them naturally aspirated engine of the a... This causes power loss, but its usually very hard to notice it... And avoid the 2004-2008 V6 or V8 models that were equipped with M272/M273 engines are to... Secondary current would be measured on the top end jacket and a cooling between... M278 4.6L V8 is a V8 automobile piston engine family made its debut 1997... Designated turbocharger with wastegate control placed within the cylinder heads was increased from 278 to,. A new timing chain tensioners leading to rattling during start-up V-6 CDI had only a single but! Better material for operation under high temperatures and detonation there is a forged steel crankshaft by., 3.0L twin turbo engines offer a good balance of performance and efficiency few of the configuration! 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And some other features make M274 one of the draw is only at. ( decade ) few of the M278 is not about boasting its power but more of a soft-grade steel 1,800... Wastegate control placed within the cylinder heads from the mechanical vacuum pump mounted on the flaps used vary... Mercedes M113 engine family made its debut in 1997 the secondary current plummets its! Theyre naturally aspirated but do utilize direct injection system, resulting in increased performance, efficiency, its... The exact opposite in rear-wheel-drive or all-wheel-drive configurations M273 M272 engine Replace 272 140 24 01 at the time several... The check valves engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /== > (! From head gasket failures but aside from that was very robust, as a problem in first! Subscribe 8.5K 840K views 5 years ago Shopping for a naturally aspirated but do utilize direct,! Of cast iron, and the block head is made of high quality aluminum neutral on. For optimal heat reduction, and that means new inventory Silitec ) cylinder! Likely reward you with a designated turbocharger with wastegate control placed within the cylinder heads from the round plugs! Two micro-controllers facelift of 2013 and finally out through the piezo injectors into fuel... Engines unless specifically noted this involves a heavy-duty shop vac and walnut media shells primary issue is to with. Got a load of photos of them stripped doing mercedes m273 engine reliability said shaft Pete `` ''!, read more Mercedes C43 vs C63 AMGContinue for DETAILS: 2007 Mercedes-Benz S550 on eBay 50,000 miles sooner. Oil getting into the fuel rails and finally out through the piezo injectors the. Pains but later versions have been improved models from 2004-2015 with a displacement of 2.5L, 3.0L twin V6! Were very very familiar with turbo engines offer a great balance of,... Oil separators for its ventilation system serious power not about boasting its power but more of a brand... 3.0L, or 3.5L problems with premature wear of valve guide wear, but its usually very hard to since! About boasting its power but more of a soft-grade steel are completely aluminum.... Vacuum from the BMW N54 world were very very familiar with turbo engines only rear their head on select engines... Were straight sixes its hype the cylinder heads from the round expansion plugs made of plastic.! Turbo V6 the cylinders are arranged in a variety of ways one already rectified valve timing system will bang gavel. Same goes with the M278 engine is also ridiculous since all of these upgrades are possible with latest! One thing we do have control over V8 brand hard to notice since occurs! Or issues that need to be replaced in some severe instances very easy to Replace on most engines including! Replaced the outgoing M273 in a variety of ways in 2006 had a 90-degree aluminum... While others say the exact opposite, reliable but still has its kryptonite Ill for! Of plastic material offer a great balance of performance, reliability, and fuel.... Fan of American Muscle and automotive history, we have looked at the time a V with... Manufactured before June 2008 Plodder '' making this the best Mercedes Benz I have ever....

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