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  1. TechnoWhizz

    Car Heater not working on LPG ML500?

    Hi All, 2003 W163 ML500 mixfuel. Problem is the car heater isn't working. Fan works, flaps seem to work but mainly cold air, never warm/hot. Been to Mercland specialists in Nuneaton, Fan and regulator fine, Matrix fine, Hot/Cold valve moving, auxiliary pump replaced (!), Coolant clean and...
  2. TechnoWhizz

    HELP - frozen my bits off tonight W163 no heat

    W163 2003 ML500 Hi All, Just managed to get home tonight at -1 in the cab and seemingly no heat from the vents. All the aircon "seems" to be working. Lights are on, fan is working fine but no heat. Car is coming upto temp and is running fine. I just wish it had a defrosting windscreen! HRW...
  3. TechnoWhizz

    Central Locking ML500 W163 2003

    Hi Everyone. I have a recently developed fault which I hope you can help with. When trying to lock the ML, or when the ML tries to safety lock the doors when moving off, all the doors lock successfully except the drivers door. It seems to try and lock, then unlock, retry, unlock then stop...
  4. TechnoWhizz

    Hello from Rugby U.K.

    Hi Everyone, Just a quickie to say "Hello" to my fellow MB'ers I'm currently on my second Mercedes, a ML500 2003 W163 Black with LPG conversion. As with my previous car (my beloved SLK230 sitting on the drive for next spring) I seem to have a lot to learn about the inner workings of this...
  5. TechnoWhizz

    ML500 W163 2003 Performance Questions?

    Hi, I have a 2003 ML500 with a Petrol/LPG conversion. As a newbie I have a few questions for those more knowledgeable than I ! She seems to drive fine to me, but as I've got no comparison it's difficult to tell. My previous car was an SLK 230 and I do drive with a light right foot 95% of the...


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