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    Mercedes C240 '97 Archived Message

    Posted by jOHN gIJSBERS on September 21, 2008, 12:39 pm

    Hallo everybody.
    We have a very patient
    customer with an unreliable Mercedes! This car has an
    electronic ignition switch.Vehicle will intermittently not
    crank over.We tested for voltage to starter, When car acts up
    there is no voltage to starter solenoid. What happens is that
    you "turn" (electronic) key and car might or might not crank
    over,or it will start cranking and stop doing it (without
    firing engine)or it will kind of start/stop crank it.If it
    refuses to crank often a complete retry(turn key back etc)
    will be enough to "fix" it. I tried the spare key, but that
    has made no difference.We have a Bosch KTS scanner but it will
    not talk to the EIS(electronic egnition switch). We did read
    out some other systems and initially had quite a few
    codes.(Can communication fault with engine ECU, and ETC
    codes:65(etc control module is faulty)-135(can communication
    is sporadicaly disturbed) 161(etc control module is
    sporadically faulty). We cleared these codes, and have
    roadtested car since, none of the codes have returned yet.)The
    starting problem remains though!(intermittently).I priced a
    new EIS and it is expensive, not to talk about the procedure/
    hassle of coding it! Has any of you Mercedes experts had any
    experiency with a similar problem?(Put differently, can anyone
    help me out? Regards

    John Gijsbers

    Lower Hutt New Zealand

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