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  1. Rogerkuala

    R129 Exhaust Cat gone walkabout

    Really basic question here sorry, surely if a sensor was missing, the ECU/PCM would read it as a fault and report as such? The garage is not getting any error messages from the STAR that show anything other than knock sensor failure now. Engine seems to shift to closed loop condition based on...
  2. Rogerkuala

    R129 Exhaust Cat gone walkabout

    I'm handicapped by the fact I have never driven, or even been in, another 500 so I am not sure what the normal response is. I have a 300, 12valve version but it's a totally different car in the way it feels. 500's are rare as hens teeth here and I know of only one I can try to borrow. I'll get...
  3. Rogerkuala

    R129 Exhaust Cat gone walkabout

    1995 500SL car has a new stainless exhaust front to back but the first catalytic converter has been removed before I bought the car and replaced with two silencer boxes - this is Malaysia with no MOT tests and little about emissions! The car has an issue with low power when it warms up. Lower...
  4. Rogerkuala

    Piston mealted

    It did to me in a Saab 900 Turbo although the wastegate had been altered and I was naive enough not to realise. Didn't seize, just failed loudly on the off ramp on the M11 one day, and never ran again. Two of the pistons had melt holes and a lot of random metal all over the place. Super...
  5. Rogerkuala

    R129 M119 Misfire when hot, no ideas left!

    No thank goodness. Just had it up on a lift and physically inspected the knock sensors, one has the wires hanging out of it :) Culprit found I think. It matches the DTC error code 5. That article was really useful, thank you very much!
  6. Rogerkuala

    R129 M119 Misfire when hot, no ideas left!

    Ah OK, thanks. Sensors are NLA here but they seem to be pretty universal. The odd thing is it's a regular misfire, like the car runs on 6 cylinders. The exhaust note gets a definite rhythmic "pop" and power drops, and it runs with vibration. More than a timing change but that would explain...
  7. Rogerkuala

    R129 M119 Misfire when hot, no ideas left!

    Lol yes, doh, sorry. Star Wars impending movie fever I must have E.T. on the brain or something. EZL
  8. Rogerkuala

    R129 M119 Misfire when hot, no ideas left!

    Hi, 1995 R129 in overall excellent condition. Runs great when it's cold (although I live in Malaysia where 28c is cold!) but after 15 mins starts to misfire on one or two cyls. On full throttle accelaration feels like cutout or backfire, big hiccup but recovers. On crank sometimes when hot...
  9. Rogerkuala

    M119 Engine number identification

    I am begining to wave goodbye to the originality idea :). The previous owner spent maybe £22k plus on the car - virtually the entire interior is new Mercedes original. Imported cars are subject to a 300% tax and so even 25 yrs old they are super expensive. Decent SL500's come up maybe two or...
  10. Rogerkuala

    M119 Engine number identification

    Hi, I just bought a 1996 SL500 to replace my 300SL and I am trying to work out if it's a UK car or Japan. I live in Malaysia and these are as rare as hens teeth and a LOT more expensive! The Chassis number is WDB1290672F116402 and the engine is 11997222015640 I know the M119 came in two? 5...
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