mercedes m276 engine issues

Battery/alternator/ESP warning lights came on multiple times when starting after car sat for 24 hours or more. Accelerator pedal not working properly - not responding to kick-down acceleration. It would also be worth reading our unbiased tuning articles to get a full grasp of the benefits and drawbacks of each modification. EGR valve failed. Leaking oil from camshaft access port plug. Also want $1800 to fix various hoses/leaks, 'none major' or in imminent failure! Save racing for the track and keep the roads safe. It was a faulty o-ring in one injector. Engine operating temp sensor failed and was replaced under warranty. Replaced under warranty. one of the hoses or pipes was cracked & caused the check engine light to turn on. M-B dealer replaced the transmission control module. Appears to be the subject of a TSB or "for cause" event. Coolant added. Bottom oil pan needed to be removed and cleaned of broken gear parts. Good for you, but don't buy anything untill watching this video. Blew my timing chain and destroyed engine. Right cam shaft magnet failure (check engine light came on). This keeps the car road legal and will flow much better due to it's higher internal surface area and design, so has the added benefit of keeping your car road legal. Check engine light, loss of fuel pressure. guide to twinchargers if you want to read more. It's not uncommon that headers are crying out for aftermarket parts, although a few car makers provide well optimised headers. Fast road camshafts tend to boost the performance over the rpm band, you might lose a little low down bhp but the higher rpm power will be better. Two gaskets replaced 12€ labour 130€ antifreeze 10€, Leak from water pump, therefore water pump was replaced. Tranny oil leak from sensor, sensor replaced. mass air. document.getElementById("comment").setAttribute( "id", "a424bddee7bd3ba763f38484b7539098" );document.getElementById("e86c721ca4").setAttribute( "id", "comment" ); Join our forum today and benefit from over 300,000 posts on tuning This entry was Changed spark plugs. Exhaust manifold so I had the work done by the dealership than sold the car. Injectors (Delphi) failed. The Mercedes-Benz M278 is a 4.6-liter V8 direct-injected bi-turbo engine introduced in 2010. turbocharged 375kW 4.0L V8 7-speed shiftable automatic RWD, turbocharged 270kW 3.0L V6 7-speed shiftable automatic AWD, turbocharged 180kW 2.0L I4 7-speed shiftable automatic RWD, turbocharged 180kW 2.0L I4 7-speed shiftable automatic AWD, turbocharged 245kW 3.0L V6 7-speed shiftable automatic AWD, 378 kilowatts 6.2L V8 7-speed shiftable automatic RWD, 185 kilowatts 3.5L V6 7-speed shiftable automatic AWD, turbocharged 150kW 1.8L I4 7-speed shiftable automatic RWD, 225 kilowatts 3.5L V6 7-speed shiftable automatic RWD, 225 kilowatts 3.5L V6 7-speed shiftable automatic AWD, 170 kilowatts 3.0L V6 7-speed shiftable automatic AWD, 170 kilowatts 3.0L V6 7-speed shiftable automatic RWD, 336 kilowatts 6.2L V8 7-speed shiftable automatic RWD, 200 kilowatts 3.5L V6 7-speed shiftable automatic AWD, turbocharged 165kW 3.0L V6 Diesel 7-speed shiftable automatic AWD, turbocharged 150kW 2.1L I4 Diesel 6-speed manual RWD, supercharged 135kW 1.8L I4 5-speed shiftable automatic RWD, 200 kilowatts 3.5L V6 7-speed shiftable automatic RWD, turbocharged 125kW 2.1L I4 Diesel 5-speed shiftable automatic RWD, supercharged 135kW 1.8L I4 6-speed manual RWD, turbocharged 100kW 2.1L I4 Diesel 5-speed shiftable automatic RWD, supercharged 115kW 1.8L I4 5-speed shiftable automatic RWD, 150 kilowatts 2.5L V6 7-speed shiftable automatic AWD, 170 kilowatts 3.0L V6 5-speed shiftable automatic AWD, 150 kilowatts 2.5L V6 7-speed shiftable automatic RWD, supercharged 115kW 1.8L I4 6-speed manual RWD, 270 kilowatts 5.4L V8 5-speed shiftable automatic RWD, turbocharged 4-cylinder diesel manual 2WD, 125 kilowatts 2.6L V6 5-speed shiftable automatic AWD, supercharged 141kW 1.8L I4 6-speed manual RWD, supercharged 141kW 1.8L I4 5-speed shiftable automatic RWD, 160 kilowatts 3.2L V6 5-speed shiftable automatic AWD, supercharged 260kW 3.2L V6 5-speed shiftable automatic RWD, 125 kilowatts 2.6L V6 5-speed shiftable automatic RWD, 160 kilowatts 3.2L V6 5-speed shiftable automatic RWD, turbocharged 5-cylinder diesel automatic 2WD, supercharged 143kW 2.3L I4 6-speed manual RWD, supercharged 143kW 2.3L I4 5-speed shiftable automatic RWD, turbocharged 85kW 2.1L I4 Diesel 6-speed manual RWD. New MB OEM Motor Mounts installed, Water Pump replacement Water pump replacement, replace oxygen sensor Engine light came back on after a few days. styling and friendly car banter. The engine makes a terrible rattling sound for about 10 minutes after ignition. Now, in Minnesota where getting E85 is so easy, we tried to find engine light on. 204-240-15-17 CEL light came on, diagnostic was coolant thermostat needed replacement. Traced to leak in fuel filler neck. Manufactured at Mercedes-Benz’s Stuttgart-Bad Canstatt engine plant and developed in conjunction with M278 V8 engine, key attributes of the M276 engine included its: aluminium alloy cylinder block and head; Replaced crankshaft position sensor after car stalled. Fuel sending unit replaced. Problem with your Mercedes-Benz E350? -engine mount fr/too weak. It is your responsibility to check and verify any car tuning tip, car styling tip or other articles content with a qualified mechanic before undertaking work or following instructions. Flatbedded to dealer via Merceds Benz Roadside assistance. Collapsed transmission mount and all engine mounts (leaking) replaced. Wipper blades. Regular oil changes are vital on the M276, especially when tuned and will help extend the life and reliability of the engine. The valcum was clogged up. teeth stripped of the cam chain. Over work the O2 sensors - so they failed. Classic VW / UK Modified Cars / Tuned cars Goodbye. One of the most common issues experienced by owners of Mercedes’ vehicles is with non-engine electrics. Replaced, no solution. Needed balance shaft replaced Dealer replaced 4 camshaft positioners. Check engine light came on. Check engine light on. Vacuum pump seal leaking oil on engine right side. Apparently the transmission ECU died. Reset code, but it returned. Cylinder 3 would misfire randomly(mostly during idle) and cause engine to convulse. The M276 Check engine light came on and car idled really rough after stopping and putting it into park. Paint, Rust, Leaks, Rattles, and Trim (12%). engine runs rough on start, exhaust has unburned fuel smell. See adverts offers and special deals of interest to you by allowing our trusted Google advertisers to use targeted interest based advertising cookies. Fuel level sending unit was bad. Engine cooling fan failed. I was told that it's typically found on all wheel drive vehicles (for Mercedes I assumed). Transmission mount collapsed. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. We love to hear what our visitors have got up to and which mods work best for them on each model of car. Mercedes M276 really good project engines and with the ultimate parts like ECU maps, turbo upgrades and camshafts you will noticeably enhance your driving fun. cost over $10000. Nine km commute to work isn't enough at close to 0 degree Celsius temperatures, whether city or highway. low coolant level due to extreme cold weather. Injector failed causing engine to misfire. Replaced electrical connector to cam position sensor, Check engine code indicated problem with secondary air injection valve. Cam positioning sensors were replaced with no labor charge. Also replace a broken day-time running light. MPG increased! I acquired this car from a dealer knowing it to be in need of a substantial but unknown amount of repairs. We have tips on removing carbon build up. Car lost power,stuck in high gear(automatic),then CEL came on.Car was serviced by dealer since new,wanted more $ to just take a look than I'm willing to pay. They also increase the scavenging effect of the engine. Don't overlook the need to improve the fuel system when you are increasing the bhp - it makes the car more thirsty. The M276 engines are generally reliable and solid as long as they are regularly serviced and maintained. Fuel fill/overflow evaporator. Mercedes reliability on the various models does depend a lot on which engine and transmission as some are renowned for issues and others are equally renowned for no issues. Replace front SAM module because car will not engage the starter motor. NO check engine light or codes present. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Check Engine light, code turned off Check engine light reappeared, replaced downstream O2 sensor, turned light off, additional cost $277. Check engine light, loss of fuel pressure. Engine mounts replaced. Thermostat stuck open causing engine to run cool. Transmission connector leaking. High pitch noise coming from accessory drive upper pulley. Apparently, it relates to some filter that's starting to go. Serpentine belt pulley bearing pending impingement. Common problem. Worried about potential repair costs? Check engine warning light came on and vehicle could only ran 40mph max. The Mercedes-Benz M272 was a V6 petrol engine that was first introduced in 2004 to replace the M112 engine. EU: UNTRUSTED TRACKING COOKIES ARE BLOCKED. after air/con re-gas car developed multiple abnormal engine noises & Altenator Warning Message> Checked with OBD 11. reading " air con excessive torque " > return to shop for fix Now seemed OK (not advised what was done ) At next startup Excessive Noise ( Radiator Fan Running ? Apparently corrected problem. Use of this site: Please treat the information on this site as purely speculative. Vacuum leak. on cold morning start up time, fan belt gip, gip sound for 5 minutes. Dealer cleaned ignition system and some engine parts. Please drive sensibly we do not endorse speeding or racing on the public highway or driving recklessly or in a manner than could endanger life or property. Chart based on 400 repair trips. miss in engine when starting. Replaced coolant reservoir and cap. The Mercedes-Benz M278 is a family of direct injected, Twin-turbocharged, V8 gasoline automotive piston engines. Pulled MAF and cleaned it with MAF cleaning fluid. Motor and transmission mounts required replacement. The alternative decat should be considered an off road only mod, as removing a catalyst is illegal in most territories and regions for road registered cars.. At the shop it would crank and start, but would idle at only 300 rpm. We accept no responsibility for damage caused due to following a recommendation made on this site or in the forum. Nothing done about it yet. DPF unblocking tips. Feel that intake was cause, but MB won't admit to this, as intake would then also fall under emissions warranty. The top M276 mods on an engine are usually the ones that give the best power gain for you spend. Car now running fine. If you are developing a track car this doesn't matter as you are in the high end of your RPM range anyway and that is where you want the power to be. Changed pulley and serpentine belt. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. You only need to to replace your exhaust if the existing exhaust is actually causing a restriction. Electronic Ignition Died. Works as intended now. Traction control lights on. MAF was cleaned to resolve the issue. We won't be swayed by popular M276 mods, they need to be cost effective. Checked my timing chain, found no issue. Transmission mounts on the way to collapsing. EIS (electronic ignition switch) module replaced. It was diagnosed as a bad Catalyst. Engineer replacing valves and valves guides. Diagnosed with low fuel pressure, possibly sensor switch malfunction. They told me it was a loose gasket, but that a recall had been ordered on it, so they were going to order the part and repair it when the part arrived. Broken idler pulley. The Eco Start/Stop system quit working as designed. fourth time car misfired in two year blowing coils and destroying intake. Pulley was beginning to crack and mechanic discovered the issue while performing routine Service B maintenance. Miraculous recovery I guess, Cat converter replaced Both engine and one transmission motor mounts were replaced. It is the shape and material more than the bore size. Unknown source. The 2nd exhaust resonater caused excessive restriction to the flow of the exhaust. 2nd time serpentine belt replaced and this time the upper guide pulley and the tensioner were replaced. Safety mods Coolant light came on - was leaking coolant at right rear of engine. Cylinder misfire. At the end of November 2011, Mercedes-Benz launched the new M270/M274 four-cylinder engine family for trans - verse and longitudinal installation, ˜, with piezo direct injection. I'm not sure!!! Unfortunately, some of the engines in the W221 may develop issues (OM651, M272, M273, M276, M278 and M157). Once repaired car was noticeably smoother. Replaced fuel pump assembly. The performance They replaced right side exhaust camshaft solenoid and left intake camshaft solenoid. Check engine light came on. Problem resolved and reset the check engine light and it hasn't returned. Replaced both Secondary Air control valve and check valve. Check engine light cleared. Privacy Policy | Terms and Conditions | Copyright Policy | Michael at Google+. transmission mount bad R&R part $70, labor $100. With this engine, for the first time, continuous variable valve timing was implemented, as well … File Type PDF Mercedes Benz M272 Engine Timing ... Mercedes Benz balance shaft engine issues. -ps pump hyd There are a few aspects that set it apart from it’s predecessors. Car was terminally dead had to be loaded onto a truck and taken to the dealer. Check engine light- misfire cylinder 3. They were leaking oil. © 2004 - 2021 TrueDelta. Took car to a private Benz mechanic. On changing oil at an independent shop, the mechanics said there was a gasoline smell in the oil. Modded Car insurance Parts replaced under warranty. Total cost $340. Wish someone had told me that the balance shaft gear was a problem. Check Engine light kept going on and off. Shopping for a Mercedes-Benz? All sensors and harness repaired under extended warranty - oil was found all the way to the ECU. eventually replaced sensor $8 from C now normal ( suspect gas in aircon was excessive. It is common that there's a limit in the air flow sensor MAP/MAF/AFM on the M276 when considerably more air is being drawn into the engine. Pulley and also belt replaced under warranty; haven't noted problem since. This was described earlier with the last maintenance. broken gasoline line (from filter to pump). Dealer reported it was an issue wit a sensor, reflashing the computer fixed the error. When I bought this car, the infamous salesman at the Oakland dealership assured me it was a flex-fuel car. One bad coil pack was replaced and all spark plug wires were replaced. Fuel injection needed tune up and recalibration. Would jerk free. Replace fan belt as describe on technical bulletin and Update to latest software for engine management. The M278 is based on a 4.7-liter version of the M273. We are pleased that the range of turbo units is always evolving and we commonly find variable vane turbo units, where the vane angle is altered according to speed to lower lag and increase top end power. Nothing done yet. Coolant leak on freeway - loose hose; covered under warranty. Mechanic read codes - thermostat issue and cooling fan issue. The M276 V6s are good, reliable engines with not so many issues. The accepted safe increase is to add 20% to the flow rate when fitting an injector, helps cope with injector deterioration and provides a bit of spare capacity should the engine need more fuel. Cel on for thermostat. Engine code: Thermostat below regulating temp blah blah blah. I think that Mercedes-Benz tried to stay too close to the cutting-edge when designing the OM651 engine. When the car is cold (first driven during the day and when it's cold outside), a minute after it's started and for about 2 minutes a squeak(1 sec separating) comes from what sounds like a belt pulley. The 3.5-liter engine came to replace the old M112 Page 11/27. Faulty crankshaft position sensor replaced. The cam gears were damaged and caused the cam to skip a few teeth and gave a cam sensor fault. Check engine light on while driving. Apparently happened at the dealership when they replaced the plastic engine cover. replace right side cylinder head and valve cover due to crack causing loss of oil. Dealer could not find any problem. Check Coolant Temp;Sensor > meter Reading wrong + Plastic part sensor of completely cracked (no leak ?) The M112 engine lies at the base of M272 engine design. The engine serial number indicates it is part of a small group of M272 engines with potential balance shaft issues. Our advertising partners may also use cookies in accordance with their respective privacy policies to provide adverts of most interest to you based on sites you visit and search terms and collate interest based statistics to do so. Temperature sensor failed causing an over temperature warning to occur. Fuel pump failing resulting in occasional poor fuel delivery, rough acceleration and check engine light. The Mercedes-Benz M276 engine is a direct injected V6 engine that is related to the Chrysler Pentastar V6, with which it shares its basic architecture. Rain got into the ECU (engine computer)and the car wouldn't start. Most tuners we speak with say to be generous with your injector capacity. You'll notice the check engine light, rough idle, loss of low end torque (slower off the line), and reduced gas mileage. Oil leaking, replaced valve cover gasket. Lag in shifting between Drive and Reverse in transmission. The engine light is not on and there are no codes fo … read more the box had to come from germany hence the long down time. Coolant system leak deep in the engine, replaced pump, thermostat and a few other things. EGR Check valve cleaned and reinstalled. CEL went out in two days. Check engine light lit and they performed software update on engine control unit. Tuning the Mercedes M276 and best M276 performance parts. -tighten fr door lock Belt tensioner failing. Replaced EGR valve, EGR control module. Engine light came on just one month after my last maintenance. work around was to increase idle rpm to >1k. Problem persists and now the car has to go back in. Easy DIY with BOSCH parts. No more problem. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. At the moment I 'm trying to burn the carbon with a fluid added to the intake. Fluid leaking from cam plugs. adj. Suspicious coincidence. Car started misfiring then refused to start. Accelerator pedal not working properly, again not responding to kick-down acceleration. Engine mounts collapsed. auto start engine problems. Oil recirculatory cover leaks, other oil leaks. You will also have full access to Replaced solenoid along with OEM modification of isolation wires to stop migration of oil to ECU and O2 sensors to prevent serious damage and expense, bought coolant temp sensor as there is an intermittent warning when the outside temp goes below -10. PURGE VALVE STIKY OPEN CAUSING LEAK IN EVAP SYSTEM, REPLACED THE PURGE VALVE. See where you'll find these limitations and install more solid crank and pistons to handle the power. Cable to spark plug number four not working. CEL was cleared, no problem found, but CEL continues to be on. Belt tensioning pulley broke and was replaced. Check engine light came on, exhaust issue corrected, new gas cap put on. replace faulty crankshaft position sensor which was causing stalls and failures to start when engine was shut off warm. The Mercedes M276 are fantastic to work on and with a few sensible sports upgrades like ECU maps, turbo kits and camshafts you will greatly maximize your driving experience. If ignored you could suffer from chain failure or stretching and result in a more expensive engine rebuild. Each engine responds better to more aggressive cam durations check your engine on a rolling road. Told there was a software update for this. Master Technician test drove the car with me but the problem would not re-occur. $7,000 tab that I cannot afford. There has been a slow coolant leak the last month and on further investigation saw the leak was from the water pump which I replaced. Replaced thermostat. Replaced cam plugs. The alternator one way pulley was frozen. Dealer mechanic says it's normal. The repair was entirely preventive, due to the mileage on the car. 3. Replaced Pulleys, belt, and belt tensioner as a precaution. Engine numbers ending in 30 191844 or greater were improved. replaced chains, and cams. Part ordered from Germany, arrived a week later, car now fixed (1+1 days total) Installed new thermostat. Issue is solved. Dealer resolved. Replacing both. Replaced with updated part. Cam magnets replaced due to all four spitting out codes. Needed new valve cover gaskets. Bad design from Mercedes Benz. If you would like to know more, or just get some friendly advice on Tuning your M276 engine please join us in our friendly forum where you can discuss tuning options in more detail with our M276 owners. This hurts fuel economy. Added Adapter cables MB #2711502733 to camshaft sensor cables to prevent oil leaking into the wiring harness. Engine Mounts needed to be replaced because you could feel vibration while driving. The M278 is derived from the companys previous M273 V8 engine, sharing its bore pitch, aluminium engine block, and Silitec aluminiumsilicon low-friction cylinder liners. Best M276 parts. Car idled rough. Car smelled so bad it was going back yesterday, but ultimately didn't. Also replaced coolant pipes (since in there) and vacuum lines (had failed). Magnetic Cam sensor leaking, change out with new OEM. If an engine is turbo charged tuning mods are going to net you a larger power gain and you'll see that turbo charged engines are made using many forged and stronger components. Squeezing fan belt, caused by previous repair when coolant leak caused. Vehicle was towed to the dealer due to having a very noticable bogging of the engine/ feeling of a slipping transmission. The first two sensors went bad while under warranty, the other two failed after warranty so I replaced them in less than one hour. The beginning of a period of moderate restoration. Problem discovered when Check Engine Light came on. NASP engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your M276. Couldn't find leak, reset light. The engine has a loud ticking sound after start-up. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it setup properly.). Serpentine belt was coming apart and the tensioner was squeaking. Transmission lag on "take off". Check engine light came on. OBDII code scanned. new engine for Mercedes-Benz SLK 350 R171. Black and plugged up. ECU flashing will help release the full potential of all the parts you've done to your M276. 1595 cc (83.0 x 73.7) 90 kW at 5000 rpm: 200 Nm at 1250-4000 rpm: C117 CLA 180, W176 A 180, W246 B 180: M270 DE 16 AL: 1595 cc (83.0 x 73.7) 115 kW at 5000 rpm: 250 Nm at 1250-4000 rpm: C117 CLA 200, X156 GLA 200, W176 A 200, W246 B 200 Cost of repairs was R33500. Remapping Diesels 272-010-06-31 Replaced. Replace EGR Valve, cleaned EGR tubes, Transfer case service twice flushed with new fluid, transmission mount, oil change, car is sometimes using only 3 cylinders out of 4. Crankshaft alignment sensor was replaced by Midas ($380.00) because the dealership wanted $950.00 to do the same thing. It was developed while Chrysler was still owned by Daimler AG. So for the few bucks and my time as the car is my daily driver I figured better be safe than sorry. Usual exhaust restrictions come around the emissions filters installed, so adding a better flowing sports alternative is the answer. She is scheduled to go back in the 30th. Loud engine noise past 3900rpm, loss of power. Another increasingly common system that's difficult to classify. Dealer only uploaded vehicle with new updated software. frequently Mercedes-Benz C-Class problems occur, check out our car reliability stats. All Mercedes-Benz W221 engines are fitted with timing chains, which normally don’t have a specified replacement interval. The cookies we need to use, for example we need to see which pages people find useful in our analytics cookies, we also need to remember your choices preferences and settings and make sure we don't show too many of the same adverts. Camshaft sensor indicated in codes. Your Constructive comments on this article Mercedes vehicles are packed with new technology and earlier this year the new MBUX (Mercedes-Benz User Experience) system including a top-of-the-range infotainment system was introduced in the latest A-Class models. Replaced crank sensor Repaired several oil leaks, Crank sensor replaced, and valve cover gasket replaced, REPLACED BOTH VALVE COVER GASKETS Smelled oil - Replaced both valve cover gaskets, Replaced all three engine mounts. Was advised it needed replacement, common problem on this car. Downstream O2 sensor. Slight vibration - motor and transmission mounts replaced. diagnosing flat spots and problems after tuning, (292 PS; 288 hp) at 6400 rpm with 365 Nm (269 lbft) at 3000–5100 rpm, (306 PS; 302 hp) at 6500 rpm with 370 Nm (273 lbft)  at 3500–5250 rpm, 2011–2014 W204 C 350 BlueEFFICIENCY / C 350 BlueEFFICIENCY 4MATIC, 2012–2016 W212 E 350 BlueEFFICIENCY / E 350 BlueEFFICIENCY 4MATIC, 2012–2015 W166 ML 350 BlueEFFICIENCY 4MATIC, 2012–2015 X204 GLK 350 4MATIC BlueEfficiency, (329 hp; 333 PS) at 5,250–6,000rpm and 480 Nm (354 lbft) at 1,600–4,000rpm, 2015–2016 362 hp (270 kW; 367 PS) and 384 lbft (521 Nm), 2016–2018 W166 GLE 500 e / GLE 550 e (US) 4MATIC. M276 Engine History. Transmission bit slow to downshift. direction thrust arm replacement (warranty), needed hose for intake hose cost 28.00 but removal of trottle body etc to replace hose labor cost was $500.00. Wrong trouble code. Camshaft position sensor and magnet were replaced. Fuel leak discovered by technician. Plugs on head replaced per TSB. Engine runs fine. No CEL. MB charged to redo everything they did 2 weeks ago. Dealer couldn't find issue, so said it was fine. Replaced belt at the same time. Replace battery, Crankshaft position sensor. Covered by warranty. Blown head gasket. It'll be replaced at the next major service (100000), probably in January. Over time, I sensed a squeaky-sound on early-morning startups and decided, pre-emptively, to have the serpentine belt changed. Engine and tranny needed to be pulled from car and front of engine dissembled for gear to be replaced. Software update makes significant improvement, but issue still present to a minor degree. I am annoyed that CEL came on and an O2 sensor needed to be replaced 2 weeks after I spent $1800 for a full service at MB. Check Engine light - result was new Catalytic Converter installed. Please note that th I have not seen many injector issues on the M278. Check engine light came on. Discovered a cracked hose under intake manifold. Never happened until alt was changed. Mercedes-Benz M270 and M274 engines; Engine Capacity Peak power Peak torque Models; M270 DE 16 AL red. Mercedes Benz The Mercedes-Benz M272 engine is a V6 introduced in 2004 and used throughout the 00’s. Air intake hose coming apart. M272 series is the new generation of V6 Mercedes engines. Small increase in fuel consumption Checked.No problem found. Longer valve durations can alter the power band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. The intake and exhaust durations will alter depending on the chosen cam profile, so large bhp gains are on offer for cam upgrades. Timing chain tensioner had defective check valve causing rattle sound at start. Also replaced a bad pulley. Replace failed crankshaft position sensor. I am now told not all C300 are E85 ready. Engine low on coolant. Replaced two more, one intake one exhaust, Camshaft magnets. Mercedes Benz The Mercedes-Benz M272 engine is a V6 introduced in 2004 and used throughout the 00’s. NEED ENGINE REPLACED, water disappeared from radiator...faulty pump, improperly diagnosed on previous visit to dealership. It turned out to be only a malfunctioning sensor. Induction Kits Mercedes-Benz V6 and V8 engines had timing chain problems caused by balance shaft and idler gear failures. The head, timing chain, timing chain tensioner and the one of the guide rails was replaced along with one of the cam adjuster magnets. Purchased thermostat and coolant from dealer and installed myself. 204-240-06-18 Rear cylinder head oil centrifuge leaking. Powertrain and Chassis Repair Frequencies. Luckily had an extended warranty. Ignition coil failure. After restarting the car, codes and misfire went away. The software upgrades were installed via the MB network to the car and this improved the problem. Transmission malfunctioning, hard shifts, high revving. On most factory exhausts you'll find your flow rate is fine even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. Gas tank sensor shows vapors escaping.
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