C180 W203 Lambda Fuse / Reset Switch

Discussion in 'Electronics' started by newcomam, Mar 25, 2014.

  1. newcomam

    newcomam New Member

    Messages:
    3
    Joined:
    Mar 25, 2014
    Car:
    C180
    Hi everyone, first post here.

    My cars engine warning light went on recently so I took it to my garage and they said that there was a problem with the lambda sensor. Said they could replace it for £400/500 and would also check the fuse/switch/wires to it which usually fail. He mentioned something about them being located under the drivers seat.
    Does anyone know how I might check this switch / wire myself as he did indicate the the lambdas were probably fine as the car was driving / responding ok.

    Many thanks in advance,
    Andy
     
  2. DSM10000

    DSM10000 Hardcore MB Enthusiast

    Messages:
    4,008
    Joined:
    Jul 12, 2011
    Location:
    Near Salisbury
    Car:
    E32O CDi Sport, MX5 1.8 Sport, RR 4.2 SC
    I am not sure if the lamda probe has a fuse, check your handook to see if one is listed. Regardless it should not cost anywhere near £400/£500 to replace.

    An OE quality probe would be around £100 or less and fitting should be fairly straightforward on a ramp so how they justify this figure I do not know. The fact that he thinks it is fine but suggests you spending that amount of money would more than worry me!

    I would suggest a visit to an MB specialist with the Star computer to properly diagnose it, where are you based?
     
    Last edited: Mar 25, 2014
  3. OP
    OP
    newcomam

    newcomam New Member

    Messages:
    3
    Joined:
    Mar 25, 2014
    Car:
    C180
    Hi David thanks for the advice, I'm based near Watford.
     

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