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    CLS500 5.5L M273 Strange Intermittent Loss of Power, Need Help Please!

    Hi all. New member here, just bought a beautiful 2007 CLS550 earlier this month. Vehicle has 99k miles on the odo with two previous owners and have been well maintained by the local indy. The 5.5L M273 V8 is amazing and the power seriously addictive, especially coming from my previous daily...
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    W639 Viano Instrument Cluster gone crazy!

    Solved! Hi all, Just wanted to put a close to the story - picked up the van from stealership yesterday. They mananged to use their diagnostics machine to locate the problem to a broken wire (not really sure which one, one of the ABS wire perhaps) just underneath the front fuse box. Repaired...
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    W639 Viano Instrument Cluster gone crazy!

    Tried the spare key, no luck - problem still there. Also tried manually disconnecting the front ABS sensors - still no luck speedo still misreads. Might try the rear sensors next. The van had a diagnosis appointment today but apparently the dealership had such a large backlog of benzes to...
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    W639 Viano Instrument Cluster gone crazy!

    Hiya! :) Thanks for your response, good Sir. That is an interesting solution you found out - will try this later with the spare remote key and see how it goes. Reserved a slot with the stealership anyways for diagnosis next week. (Btw apologies for not responding any sooner, just got...
  5. M

    W639 Viano Instrument Cluster gone crazy!

    Hi all! My 2006 W639 Viano LWB 2.2CDi with 62k kms on the clock has got its instrument cluster/speedometer spooked somehow. So last week I sent the Viano for some minor detailing work (compound polish, seal and wax) as its been a while since it was last detailed. The van was just as usual...
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    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Hi all, just thought I'd share how (finally) I got this resolved. Took me quite a while (hectic schedule at work) but anyway glad to have the 202's back in service! Misfiring was due to bad HT ignition leads, combined with a coil on its way out (such a pain to replace btw!) and fouled plugs...
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    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Hi Mike, thanks for that info! I thought that was also a FPR all along, makes more sense now! I cant seem to source a new pulsation damper for my car, any idea if I can modify my fuel rail to remove this damper, like the case in those latter M111s? :) By the way, any inputs on whether the FPD...
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    Fuel Pressure Regulator (FPR) Question - M111.920 Engine

    Edit: I just found out the 502 part is a fuel pulsation damper, not a regulator. Thanks to Mike @hfmscan for the info! I was also told only earlier M111s have these... in which case do the later M111s that come without the FPDs have some kind of ECU reprogramming to compensate for this? I'm...
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    Fuel Pressure Regulator (FPR) Question - M111.920 Engine

    Hi all, Just wanted to do a quick fact finding poll especially with M111 engine owners regarding your fuel rail setup, specifically the fuel pressure regulators. I own a 1995 W202 C180 Elegance with the M111.920 engine, with MPS (Manifold Pressure System is what that is I believe) and no MAF...
  10. M

    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Hello, Thanks for sending me the photo.. I've checked mine, seems ok.. however I realised my other fuel pressure regulator (as mentioned earlier mine has 2) is also dripping. I noticed from your photo, your car only has 1 fuel pressure regulator.. no regulator on the incoming side as I see no...
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    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    By the way, So if this questions seems a bit daft, but I was wondering if the new part was supposed to be installed just as, or should I have taken out the green plastic bit at the end before I install it? I was thinking plastic n fuel dont work together quite well, but then I measured both...
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    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Hi, Thanks again for your suggestions Fuel filter was recently replaced (last week) along with a new fuel pump and spark plugs. All genuine Bosch. So there is a filter just before the fuel rail input? I didnt seem to see one earlier, I'll check again tomorrow morning.. Any pictures/clues on...
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    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Hi good day sir, I've just gotten back from the garage.. so I've replaced the 'leaking' FPR with a genuine Bosch unit just now.. After taking the car for a 15 min test drive, I can say the hesitation (feels like fuel starvation) is dramatically improved. I can now say light to medium throttle...
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    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Hi all, So just an update regarding the issue.... following up on Mike's reply, I decided to check the fuel pressure regulators. Started the car, drove it around the neighbourhood for a while, then inspected the FPRs. Lo and behold... after pulling the vacuum hose off one of them (there were...
  15. M

    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Any suggestions on how to check for that? Do I just simply remove the plug one by one, connect it back to its HT leads and then start the car while the plug is out? Wouldn't that harm the engine at all? Sent from my GT-I9305 using Tapatalk
  16. M

    Hydrogen/Oxygen Engine Decarbonising - yay or nay?

    LOL!!! I dont know, tbh I usually believe Ed gives out sound advice... :rolleyes: ...but then with my mechanical knowledge (or lack of) anything that sounds logical I take it as good advice :dk:
  17. M

    Hydrogen/Oxygen Engine Decarbonising - yay or nay?

    Thanks for your input guys! So the general consensus around here is to avoid.... :thumb: A local mech recommended me to do decarbonising on my C180 since the car has been sluggish as of late and got some misfiring issues (see my other thread), hence I'm considering this.... On a side note...
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    Hydrogen/Oxygen Engine Decarbonising - yay or nay?

    Good day everyone, Just thought I'd start a discussion on this relatively new (to me at least) method of engine cleaning. I'm referring to the use of chemicals that's made up of mainly oxygen and hydrogen from my understanding, which is then fed by a machine into the engine via the fuel...
  19. M

    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Sorry - didn't finish my last post, anyway here's the continuation: After putting in the new plugs, car started (cold start) fine, no more vibrating at idle. Took the car out for a test drive just up and down the street, car accelerates fine as it were, no hesitation. At this point I thought...
  20. M

    '95 W202 C180 (no MAF) hesitation and hard to start after warm

    Just an update on the car, So yesterday I took the car to the indy's.. Replaced the fuel pump with a genuine BOSCH unit along with a Hengst fuel filter. Very much quiter now but still have the trouble starting when warm. Thought this cured it because it didnt happen yesterdat when I was...
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