Mercedes m112 misfire. This seem to help a good amount.

Mercedes m112 misfire Replacement spark plugs for your Mercedes-Benz can be purchased on Amazon to save money on Mar 11, 2019 · As for the misfires and CPS issues, you need to do the flywheel adaptation. mbssouthampton. Remembered that it'd been around 100k kilometers since I last changed the spark plugs. Feb 12, 2013 · My M113 engine was miss-firing at 80k miles due to bad ignition wires, engine codes produced were random misfires. Nov 3, 2012 · Your Mercedes W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree Had a couple of egr valves causing rough idle on m112 engines Alex Jun 24, 2016 · Okay try this. Usually in the middle of intersections or on the freeway. These instructions will also help if you have a newer Mercedes-Benz with V6 or V8 engines, such as M272 or M273. I have a E320, m112. It's hardly any work to swap the coils, simplest and easiest thing to do. I'm confident that we can work together to find a solution to the misfiring issue in your 2003 Mercedes C320. " no faults system passed" then after a 3 mile drive: there was a code. 0 and 3. The car will run rough and the engine may shake extensively. On the M112 motor, each cylinder has 2 spark plugs, so the odds of a spark plug problem are rare unless both are bat but heck, changing Apr 21, 2019 · Hi, My Cylinder one misfire situtation is like this. if the engine holds vacuum Apr 24, 2013 · Hi folks, I have W210 With these faults: P0305: B Misfireing damages Twc Cyl. codes9203, p0302, p0303, p0300, p0130. With an aluminium engine block and head material, this 2. These two engines are installed on many Mercedes-Benz models manufactured between 1995 and 2005, including E-Class, C-Class, S-Class, and ML-Class. 6xx transmission stores adaptation data through the TCU. My AutoEnginuity tester shows a variety of codes. 941 engine. Below, we will explore the most prevalent issues associated with this engine. Mar 30, 2019 · the misfire occurs maybe on 3 out of 10 drives, if I stop, turn engine off and immediately back on the misfire disappears and the car runs perfectly fine the rough idle is also somewhat intermittent - it's never "glass smooth" like I find Mercedes V8s normally to be but it's reasonably stable when it's not acting up Aug 30, 2016 · A common replacement on the M112 and M113 V6 and V8 engines is the crankshaft position sensor. Its also been 4,000 miles since it had a Feb 9, 2011 · My Codes were P0302 Cyl 2 misfire P0306 Cyl 6 misfire P0300 Random multiple cylinder misfire After clearing the codes : The car was on for about a minute before the CEL went back on. i can't speak until i see the bores and cylinder walls, but i think it should be okay. I used my Bluetooth Actron OBDII Scanner (Best 70 bucks you can spend), and these were the codes. Another thing to remember is that Mercedes-Benz ML, especially ML430 and ML500 are great trucks for towing. Checked coils - replaced 2 - no improvement. Jan 11, 2021 · P2052 - misfire on cylinder 4 P2054 - misfire on cylinder 6 P2056 - misfire on cylinder 5 P2051 - misfire on cylinder 1 P2055 - misfire on cylinder 2 P2043 - multiple misfires on multiple cylinders (sorry if the description is not correct, we have diagnostic tool in native language) Delete errors and push car to safe mode again, errors: P2050 Apr 3, 2019 · P2050 Misfiring,Damages TWC (P0300) P0300 Random/Multiple Cylinder Misfire Detected P2054 cylinder 6 misfire,CAT damaged (P0306) P0306 Cylinder 6 Misfire Detected From that and seeing it runs fine after reset until under load it's worth taking a look at all the connectors involved in the ignition and injection of number six. Jul 24, 2010 · furthermore, check for codes via OBD scanner (not a generic OBD2, but a Mercedes compatible one) and see if there is a misfire in particular piston, if there is, swap its coil with another one, clear the code, drive the car for a little bit, then scan again, and see if the misfire code changes place. Back to the mechanic to read the codes . Oct 15, 2007 · 1999 M113 stalling due to Crankshaft Position Sensor - CPS i have a 1999 SL500 that i love!, beautiful wonderful car that drives like a dream -whens its actually moving. 464 - 3. Sep 5, 2022 · The misfire is because certain injectors are not getting enough fuel. '99 C240T (W202. P0300 - random misfire P0335 - crankshaft position sensor A circuit P0306 - cylinder 6 misfire P0303 - cylinder 3 Apr 3, 2019 · M112 misfire. The spark plug heat range on most Mercedes-Benz cars is 6. Edit: This assumes the CPS is ok. This is a common problem with Mercedes-Benz equipped with the M112 and M112 engines. The car was smoking (blue smoke) and replacement of valve stem seals was needed. However, the M112 had about the same quality and design as a '99 Dodge and actually worse then the '82 motor I rebuilt. In the past I had a Egr code and decided to just remove it with block off plates and plugged the vacuum line to the intake, never got a tune to remove the check engine light. Sep 8, 2019 · It is possible that in cars with aluminum engine blocks (M112's) the wall/cylinder clearance doesn't decrease with temperature, since the aluminum piston will have a similar thermal coefficient of expansion as the block, so we'll need to retract that statement in this case. Engine hot or cold it will misfire. Bear in mind that gaskets or hoses might colapse due to age as you get less than 0. Reinstalled and the CEL went out for a bit but it was still idling rough and soon enough I once again got the old "Misfiring of cylinder 2 : Worsening of exhaust emission values after engine start (P0302)" which later turned into the Cylinder 2 Misfire Sep 1, 2005 · I've been getting misfires on my 1997 E320 (80k miles). They are highly recognizable and provide drivers with a comfortable ride. You guys seem to have a few more technically oriented members so I thought I'd roll this past you. Jan 11, 2024 · i fired up my M112 and it actually sounds very good. Do you have the list of codes that it's reading currently? There are a couple of rich and lean codes so we want to get the specific code so we can know what to diagnose. Some time it clicks Jun 14, 2020 · Code P0302 Mercedes-Benz Description. Mercedes-Benz models. I'm from Finland. Your Mercedes-Benz has over 100k miles. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Jul 3, 2018 · Since its founding in late 2008, 500Eboard has become the leading resource on the Internet for all things related to the Mercedes-Benz 500E and E500. 23,293 satisfied Jan 15, 2020 · That said, the misfire occured yesterday and the check engine light came on. The leads looked original and I couldn't see them having been replaced in the past service history. Feb 8, 2013 · This might come in handy for some people: Mercedes Fault Codes Fault Code Fault Description Area B1000 HRA Headlamp range adjustment: The supply voltage of the control unit is too low (Undervoltage) Body B1004 LCP Lower Control Panel: Control unit does not match vehicle Jan 30, 2023 · The M112 engine was the first V6 to be made by Mercedes-Benz, and they were on the money right from the get-go. Sep 23, 2019 · Mercedes is a leader in safety, luxury, and performance. These need to be confirmed first as they are more likely to cause this problem. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Aug 18, 2017 · BenzWorld. Usually P0300 (random misfire), plus P0301-4 (misfire cylinder 1-4). 5 'normal value ' ) and change Fuel Filter as well. 6 litre unit, and now an M112 3. Jump to Latest A forum community dedicated to Mercedes SLK owners and enthusiasts. Which are some Mercedes-Benz engine numbers? M112, M113, M272, M273, M119. Got it checked and it ahowed a miafire on xylinder #2. This tutorial covers common harmonic balancer/crankshaft pulley problems and instructions on replacing them. . This is relatively easy to sort out but you usally get a misfire on cylinder 4 where the rail sits lower on that bank than bank 1, and cylinder 5 can also trigger. P0302 Mercedes-Benz Code - Cylinder 2 Misfire Detected Feb 3, 2014 · M112 2. It was decades ahead of American motors of the time in terms of design and quality. What was happening was the heat build up under the engine cover caused the plastic around the coil pack to go hard and eventually crack. By Sergio Fernandez. Reply reply Member that Mercedes-Benz V6 and V8 engines utilize two spark plugs per cylinder. The Mercedes-Benz M272 engine is an automobile piston V6 engine family used in the 2000s (decade). Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes 4,463 Satisfied Customers CLS 550 2007, Cylinde 4 misfires. Lid geworden op: 10 feb 2016 12:30 Mercedes-Benz: W202 1999 C240 Elegance Selection Specialisatie: lassen, Constructie Plug wires are a common issue on older M112 engines. Looking for a trusted, quality with affordable price for GERMAN & JAPANESE car May 16, 2022 · BenzWorld. so when it was damp or rained it would run like a burst RS until heated up and by the time you had got it to a workshop to have it checked it would run as sweet as a peach. The higher the number the colder the heat range. 99 was all it took Jul 22, 2013 · p0300 - Random/Multiple Misfire p0301 - Cylinder 1 Misfire p0302 - Cylinder 2 Misfire p0303 - Cylinder 3 Misfire p0135 - O2 Sensor heater circuit (Bank 1, Sensor 1) My first step was to replace all spark plugs and wires and clear the codes again. Whats weird about my issues, which is still present, is that for about 4 days, it ran and drove 100% just fine, under all loads. The Mercedes Feb 24, 2010 · I took apart an '82 Mercedes V8, and it was impressive: 4 bolt and cross bolt mains, smooth ports, aluminum block. Thread starter robmc52; Start date Today at 7:37 AM; robmc52 Senior Member. in fact, after having not started it for years it sounded fine until i kept letting it run and i hear this very faint 'tick'. org forum is one of the largest Mercedes c240 sport est misfire problem 5+6 cylinder codes p2050 p2052 p2055 swapped coil pack I have a mercedes c240 M112 w203 The car has apparent misfire May 11, 2011 · The M112 engine uses one coil per cylinder firing the spark plugs sequentially, so if it's acting up you'll only get a misfire for that cylinder regardless whether one or both plugs misfire. In iron blocks, that was always the litmus test on piston slap. The likelihood of 3 spark plugs, or 3 of anything, going bad simultaneously is extremely small. I have only seen this on early 240 engines, but hey, could be. Watch Mercedes Rough Idle & Shaking. Excuse me my English if it isn't on point. Owners have reported a range of problems that can affect performance, reliability, and overall driving experience. I'm getting a p2006 code and either a single misfire or at times a multiple misfires all on the same bank. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Jun 29, 2022 · I've got a 1999 W210 E320 M112. Did the screwdriver test. 4L. Checked #3 with noid light and not switching . These instructions apply to several Mercedes-Benz cars with V6, V8, and V12 gasoline engines. 2)Inspect the circuits and sensors of temperature sensor 1 and 2 and continuity through both sides of trigger points. For example, if you have an E320 (M112 engine) or an E350 (M272), your car has six cylinders but requires 12 spark plugs. The RPMs also surge, especially if it's in park. FWIW, any compression variation above about 10-15% on a 112/113 will throw missfire codes and cylinder shut down all day long. As I went through the process of trying to resolve this, I occasionally got a "Random Cylinder Misfire" code as well. Jun 29, 2011 · The car does not overheat when driven or if it is left to idle for 20-30 minutes. 7 L was built to last. Nov 4, 2015 · Hi, I have a ML320 2000 with 165K miles. and I'm serious. Aug 12, 2007 · Anyhow the car is still running awful and after checking the codes I have Engine misfire on cylinder 4 5 or 6 and also air intake codes which I guess still points to the MAF. 240,000km Love the car, drives perfect other than a low idle/stumble when slowing down/coasting to a stop or using electrical load. Nov 20, 2021 · One way to do it. when it's doing this, itll misfire as long as the car is on, no matter how long its left on. It is a known failure point. Thankfully only $6. Crankshaft Position Sensor failures are common in modern Mercedes Benz, and the symptoms pointed to a faulty sensor. Aug 26, 2005 · Misfire or unstable idle 1)Ensure that the ignition system is in good shape and also the intake is in good order. First I replaced the coil for cylinder 2 then the two spark plug wires but the codes Customer: hi there i own a mercedes e class 280 estate 2001 model m112 engine and the car is missing fire and if i kick down i loose the throtle no mangement light on and i pluged in the star diagnoistics and only fault come up is the throtle position sensor some times when the engine is hot the misfire goes away. 5l V6 engines (M272 or M273), as well as some of the later V8s, have or will likely soon experience a near-universal Mercedes Benz intake manifold problem. Dec 8, 2019 · BenzWorld. 086) - stock M112. Any help would be appreciated, I will post actual codes later as my laptop has died on me! Jul 14, 2021 · The wife's 2002 e320 was running rough and generated a CEL. Installed new spark plugs. Customer: hello I have a mercedes c240 M112 w203 The car has apparent misfire. Was driving, 53mph and 2k rpms engine started to misfire, ran codes and this is all the information the scanner gave me. Oct 21, 2024 · This guide provides instructions on replacing the timing chain tensioner on a Mercedes-Benz E, C, S, CLS, ML, GL, and R Class from 2006 to 2012 equipped with the V6 and V8 gasoline M272 and M273 engines. What is an engine misfire? Your engine needs […] Today I tell the tale of how I fixed the mystery misfire in my W210 E55 after several months of intermittent problems. Check in the W210 forum for a lot of M112 experience. I did at least 50kms after the misfire stopped and it did not misfire again. 1% MAF 73 M112 Misfire I have a 05 E320 4 matic and when coming to a stop the engine will idle very roughly bouncing from 400-700rpm (this only happens maybe once every 2 weeks). Jun 18, 2022 · Oil sludge buildup and consumption - M112 and M113 - treatments? - PeachParts Mercedes-Benz Forum Running oil additives is generally considered to be a no no, but I consider flushing additives to be a different matter because these don’t hang around in the engine for long. Other plugs also provide top performance, however, the ground start threads are different placing electrodes at the wrong angles! Most important all plugs must be torqued the same and electrodes a 45° angle from the injector. The 722. This used to happen with the VR6's. ) you need to identify the underlying issue causing the problem. Turn engine off and back on it will be ok for a little while. -Random violent and Apr 30, 2019 · My assumption here is that the misfire codes are a symptom of the M272 Crankshaft position sensor. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Feb 6, 2015 · Misfires on cylinders on these engines can be down to water or condensation in the fuel rail. Jan 17, 2008 · Thanks, I just pulled the first two plugs out and they did not look bad, but that's a lot of miles. if it does, replace that coil. 4 L to 3. In recent years, we have also expanded to include the 400E and E420 models, which are directly related to the 500E/E500. Jun 27, 2010 · Joined Dec 1, 2008 Messages 13,702 Reaction score 952 Age 54 Location Southampton Website www. Jan 29, 2014 · M112 engine recurring misfires on middle cyls under hard acceleration Newb to the PP forum but been on some others in the past. Mar 27, 2011 · 2000 C280 "P0300; P0301; P0303; P0303 Misfire codes" - Mercedes Forum - Mercedes Benz Enthusiast Forums So I removed the upstream O₂ sensors one at a time, and threaded in a pressure guage to check exhaust backpressure. That is typical in Mercedes-Benz engines such as, if you have an E320 (M112 engine) or E350 (M272), your car has six cylinders but requires 12 spark plugs. Oct 16, 2023 · I had a Check Engine Light a couple of days ago. I do not have a Mercedes Star scan tool to get more information than that. DTCs indicated "Misfire Cylinder 2" and a pending code of Misfire Cylinder 6". P 0303 - Cylinder 3 Misfire Detected P 0308 - Cylinder 8 Misfire Detected P 0300 - Random - Multiple Misfire Detected Abslt TPS 38% Enging RPM 4300 Calc Load 74. I agree with you, that it's possibly a partially clogged fuel filter. Sep 21, 2012 · BenzWorld. I can't remember the cylinder order but I was thinking it's 4-3-2-1 starting at the firewall and going towards the front, if that's right plug #2 is the direct coil plug one plug back from front of the car, so plugs or that specific coil might be the issue Oct 2, 2013 · Now the car has an occasional misfire, and after a very hard run it 'judders' at idle. May 22, 2021 · OK so I took the whole fuel rail system out, tested each injector and they all worked. There is no alternative answer. Swapped coil packs. If the fix starts with an adjustment of any sorts, I'd suggest you keep looking and researching further. See attachment. Always use NGK on most Mercedes. Feb 8, 2025 · M112 misfire. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. I left the vehicle to idle and checked the values returned by the lambda sensors and noticed voltage dips on the second bank sensor, see attached images. Hello, I'm Christian, a Mercedes expert here on JustAnswer. Once you have had a misfire, you may begin to notice poor engine performance and vibrations. When a misfire occurs, engine speed will fluctuate. Introduced in 2004, it is based on the M112 V6 introduced in 1998. once it stalls, the car Remanufactured basic engines for Mercedes-Benz cars Around 30% cheaper than a complete engine High performance ⇒ Find out more! M112, M113, M120, M133, M137 Customer: 2002 ml 320 has misfire on cylinders 4,5,6 when you kickdown {accelerate hard }the engine loses power to the point it will not go much past 20 mph, if I force the motor to misfire it will run very rough until you turn the motor off,turn the motor back on and it will run as normal. Mercedes-Benz improved some designs and addressed several problems on the list above. The later models had fewer problems than the first few years of production, specifically the 1998 and 1999 model years. Picture M-Class, W163. Fuel pressure can cause engine misfires as well. This morning, I started the car and the check engine light is off and no sign of a misfire. As an Amazon Affiliate, I earn from qualifying purchases *Shop Amazon for Car Parts & Accessories -* https://amzn. For simplicity I'm going to compile a list of symptoms: -Random misfiring. So I changed them all. Nov 11, 2010 · 210 4matic m112 misfire cyl6 (dead) Jump to Latest 2K views 4 replies 3 participants last post by Witek_M Nov 11, 2010 Sep 9, 2021 · A misfire for each cylinder, a general code that stated there was a misfire and then a code for injector(s). Here's what I've done, in chronological order: Dec 24, 2018 · Misfires can be because MAF, CPS, Fuel-Trims, and the CATs(if it is one bank of misfires) on these M112 engines. After a few minutes, the misfire stopped, but the check engine light stayed on. Engine flushes are generally based on kerosine with friction additives. After visiting a Mercedes Benz dealership, they told me I needed a new fuel pump, MAF, ignition coils and spark plugs with new wires! Jul 12, 2018 · Misfire? na wisselen bougies M112 2. You can swap them between cylinders and see if the fault moves, or go ahead and replace them as they are likely fried to begin with. the scanner indicated. Oct 29, 2021 · Before we begin, please read this: if your M103 is having issues (stalling, idle hunting, flat spots, smoking, misfires, and so on. Real-life repair scenario: 2003 E320 Mar 25, 2014 · After 70,000 miles over the last five years (total car milage 130,000), first with an M112 2. With the cams being changed, the system thinks they are off. I carried out all these tests and replacements: 1: Made Compression test for the engine ( Results = ) 2: Test Fuel Pressure ( = 3. Mar 21, 2013 · m112 engines with EGR have been known to ingest broken cat monolyth,, destroying compression pretty quickly. Come join the discussion about your R170/R171/R172 SLK, or AMG Sep 21, 2014 · The light stayed on of course, but I did not cause any additional misfires. So possibly something to visit. co. at which time i checked for codes. Replacing Mercedes-Benz ignition coils is very easy if you have the right tools. It did not help. - puffs a lot of smoke but the misfire doesn't sound bad. 1 bar vacuum with this method. 5 P0302: Cylinder 2 P0301: Cylinder 1 P0304: Cylinder 4 P1453: Air Pimp Relay. Feb 9, 2025 · Mercedes-Benz M112 Engine: A Brief Overview. https://www. I swapped As Mercedes models of all ages begin to rack up mileage, owners will likely experience a strange vibration while idling or sitting stationary. Fuel Pressure. Does the 20 for Mercedes-Benz. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! This guide will help you to replace Mercedes ignition coil. The car has run much smoother since. There’s been a couple of instances of it going out with friends who had the M112. Dec 11, 2016 · Also, the diagnostics are showing a "general misfire" FC P0300, as well as specific misfires registered on Cylinders 6, 7, and 8. The Mercedes-Benz M112 engine, a V6 powerplant, was introduced in the mid-1990s as part of the brand’s commitment to innovation and performance. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Aug 7, 2006 · BenzWorld. Tracking down Mercedes E-Class W211 M112 engine misfire check, replace intake manifold, valve cover & spark plug, bad vacuum leak . If your Mercedes-Benz has over 100k miles and the spark plugs have never been changed, it is time to replace the spark plugs. Aug 12, 2018 · BenzWorld. uk Your Mercedes 124 300 CE 24 Coupe, C220CDI, Porsche 911 4s, Dolomite sprint, Dec 6, 2020 · Hi, I wanted to ask if other M113K owners, see their car engine stumble and possibly misfire on cold start? Mines has been doing this for a while now, despite having new - Plugs - Leads - Coil packs - New Injectors within the last years/4,000 miles. Failed ignition coils will cause engine misfire. 6L V6 +-215000 km I have a rough idle with noticeable misfires. 1998 C280 Misfire on Cylinder 1 with codes BenzWorld. Sometimes engine runs all fine and well, Sometimes not. I have changed the spark plugs,plug wires,MAS, and EGR Diagnosing a Misfire on a 1997 Mercedes-Benz E320. Jan 19, 2025 · Common Issues with the Mercedes M112 Engine. as soon as you turn it off and back on, it runs Feb 20, 2017 · That is typical in Mercedes-Benz engines such as M112, M113, M272, and M273 found in E, C, S, CL, CLK, ML, GL, G, R, and SLK Class. Feels like the RPM isnt adjusting for the electrical load of power windows, A/C, etc, at idle and the car is getting close to stalling out. The check engine light is on, and indicates a general random misfire code (P0300) as well as cylinder specific misfires for cylinders 4, 5, and 6 (driver’s side bank if I am not mistaken). I connected my OBD2 reader and found code P0305(Cylinder 5 Misfire Detected). Generally, we find problems in performance, which include poor idle, loss of power, and a Check Engine Light. P0302 Cyl 2 misfire Jul 12, 2024 · Comparing the M272 with other Mercedes engines like the M112 or M276 can provide insights into its strengths and areas of improvement. I cleaned them with seafoam and let them sit overnight. 92 CLK diff - 16" W211 Tolimans Oct 30, 2015 · Well 4 days after the plugs were changed I was driving along about 50mph when the CEL came on and exactly the same symptoms, lack of power, running very rough, engine shaking quite violently. Future Prospects and Legacy The M272 engine’s legacy as a reliable and powerful V6 continues to influence Mercedes-Benz’s engineering decisions, and its innovations are reflected in newer engine designs. Jul 28, 2019 · Hey! I've been having idle and misfire problems with my W210 E200 M111. All M272 engines have aluminum engine blocks with a 90° V-angle with silicon/aluminum lined cylinders. Feb 19, 2010 · Mercedes OEM PLUGS are NGK iridium plugs. Code reader shows P0303, misfire in cylinder 3. Nov 26, 2013 · Set off from work and engine definitely warmed up quicker and misfire went away reset codes and drove home just as I arrived home CEL came on and misfire started, so I ran code reader and same codes came along with some New PENDING codes p0003(Powertrain random/ multiple misfire detected) , p0300 (powertrain) and p0100 (Mass or volume Airflow circuit). Still shows cyliner one misfire. same ones P0016 , P0019, and also misfire on cylinders 4,5,and 6. This E320 misses when hot, The shop is sure it is compression based. it throws a p0305 code and feels like cylinder 5 doesn't start up with the rest of the cylinders. However, cylinder misfires are a common problem experienced by Mercedes owners. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring. As the name indicates, it tells the ECU where the crankshaft is at, and coordinates things like ignition timing, along with other parameters. to/3i7u8ZUMy Jun 11, 2021 · Mercedes-Benz: Managing Misfires, Solving Those Strange, Intermittent Engine Vibrations June 11, 2012 . automotivetestsolutions. This engine was designed to replace the older M104 inline-six engines and was a significant step forward in terms of technology and efficiency. The flaps code is unrelated and its been there a while. 910 - stock 717. The Mercedes M112 engine, while a significant advancement for its time, is not without its flaws. No codes. I changed the CPS like five to six years ago with a Autozone one, but I do carry a Bosch one in the car, so I will change it shortly after this post. without fail, every time i get stuck in traffic, or end up in a longer-than-normal drive thru line, without any warning, without any instrumentation lights coming on, without overheating, my SL stalls!. Dec 7, 2019 · the car has an occasional rough idle/misfire that comes upon startup and goes away after you recycle power. The #1 Mercedes-Benz SLK Forum from Valrico, Florida! (M112 E32 Engines Feb 23, 2014 · Thanks for that, I suspect what is happening when garages run the diagnostic checks becuse the car is warmed up it shows the previous fault, misfire/unburnt fuel cylinder 1, so they are sort of working on a process of elimination, the independant MB replaced the common electrical components, then suggested get the lpg system checked, the autogas/BCR dealer checked the gas system found that Feb 20, 2012 · Hello everybody. With its user-friendly interface and powerful diagnostic capabilities, you can save time, money, and frustration by diagnosing and resolving issues with your Mercedes-Benz quickly and efficiently. Only happens in Drive or Reverse. Drove home, still got the light on, diagnosed, and again misfire on #2. I recently removed the cylinder head and replaced the valve stem seals, and also cleaned the carbon deposits in the top of the combustion chamber, and the valves and Jul 15, 2020 · Many owners of late-model Mercedes-Benz cars equipped with 3. the easy answer Have you got a misfiring cylinder on your petrol Mercedes? You have changed coils, spark plugs, cables and it still misfires? Usually cylinder 1 or 4. Jul 4, 2020 · Looking for any input on what I can do to troubleshoot. The engine seems to run fine on the freeway, but runs rough waiting at lights. Your Mercedes E63 :S213, SL500 :R129 , V220 47 minutes ago #2 Feb 2, 2018 · Last weekend I replaced the water pump on my 1998 C280 (M112 engine). 942 Engine. Feb 6, 2008 · When you a get a misfire code in just one cylinder, you have to ignore items that affect multiple cylinders like fuel pressure, o2, CPS and MAF sensors, and focus on what can cause a misfire on one cylinder. This seem to help a good amount. 2 litre engine, I have only had two issues, both on my C240 (W203) - crank pulley broke in half as mentioned and the crankshaft sensor failed when hot. Jul 2, 2023 · Mercedes M112 and M113 Camshaft and Crankshaft Position Sensor Replacement Guide: Symptoms of a faulty Camshaft Position Sensor (CPS) and Crankshaft Position Feb 20, 2021 · I’ve been aware of the crankshaft positioning sensor on the M112 V6 going out. rzax thdaaddj lnn nixlc cgbfi paodng ixmdhyc tgfp nimbri czhqztab prqrbgq oyzx gfgt htsddt sawdcms