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230 slk T reg automatic immobiliser/alarm

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by robart, Jul 22, 2011.

  1. robart

    robart Guest

    The car belongs to my partner who didnt start it for a number of months..

    I tried to recharge the battery to no avail so I bought and fitted a new one.(As an artist this is about as far as my mechanical skills go)

    Its now two weeks and I cant get this wonderful machine to start.

    These are the stages that I have gone through

    I connect the battey,
    the tracker/alarm sounds loudly,
    I press the key twice and the alarm goes off..
    I point the key at the rear view mirror twice the hazards flash.
    I insert the key count to 30 and turn, no lights come except for the hazards the red alarm led as well as an airbag, There is no sight of the usual dashboard lights,
    I give the key the last turn the engine turns over lovely four times then nothing happens but but a little cough
    if I repeat the whole thing the alarm goes off again..

    I phoned Mercedez they wont come to visit because its been serviced elsewhere a couple of times. The local garage wont touch it because its an immobilizer and its specialist kit..

    Can anyone tell me what my best course of action is?
    Can I fix it with my very limited low tech know how, I'll do more harm than good Im sure?
    Do I contact the immobiliser people
    Do I get the car towed to the nearest dealer? If its a automatic with an engaged aimmobilizer is that possible?
    Is their a good mobile mercedez mechanic or firm that anyone know about in the Manchester Lancashire area?

    thanks in advance
    Last edited by a moderator: Jul 22, 2011
  2. Dec

    Dec Senior Member

    Likes Received:
    Nov 30, 2005
    Your Mercedes:
    As it hasn’t been started for a number???? of months it might just need a few more attempts. Ensure the car battery is fully charged and turn the key in the ignition and leave it there for an hour, don’t know exactly what that does but seen it mentioned in relation to cars that won’t start after a long period of idleness.

    When you re-connect a car battery, the alarm will re-arm itself, if any door/boot/bonnet is open then the alarm will go off.

  3. mandrake

    mandrake Senior Member

    Likes Received:
    May 16, 2011
    bridgend s/wales
    Your Mercedes:
    1996 c250 d
    i have come to the conclusion that if mercedes is taking that attitude over its warranty on what seems to me as such an unreliable system ,and if they do agree to look at it ,and then charge a fortune for repair ,wouldent it be more cost affective to see an indipendent alarm /imob system company to rip the factory sytem out that to me is realy unreliable and have a different system fitted

    ELGRINGO Active Senior Members

    Likes Received:
    May 26, 2006
    fylde coast
    Your Mercedes:
    e230 c180 sl280 brabus a190 smar cart
    Where in manchester area are you i am hopefully going there next week, may get chance to look at it. pm me
  5. OP

    robart Guest


    Hi we are in the north end of Bolton 07841140562 I'll try it again and leave the key in for a longer period of time as one of the guys suggested

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