Keyfob EIS Problem on SL350 R230

Discussion in 'Electronics' started by lifeboattom, Nov 9, 2018 at 11:01 AM.

  1. lifeboattom

    lifeboattom New Member

    Messages:
    11
    Joined:
    Feb 21, 2012
    Car:
    2003 SL350 & 2007 CL500
    Looking for some help.

    My Sl350 started to not open in the morning using the remote. Could open with the key, set the alarm off, put key in the ignition start the car and everything was fine for the day until the next morning.

    Finally the key would not turn in the ignition so could not do anything lock unlock start the car etc. Keyless was also doing nothing.

    The consumer battery voltage was quite low (12.1v) so replaced it, the car sprung into life and worked for the day same problem in the morning, key would do nothing.

    Checked all the fuses and wiring seemed ok, power to the EIS so sent it off for repair. They confirmed it lost its code and repaired (£300). Got it back plugged it in worked fine for the day, next morning same thing, key wont open, ignition wont turn. Waiting to see what the repair company say but I'm unsure of what can be causing this or where to go! Any help appreciated!
     
  2. OneForTheRoad

    OneForTheRoad Hardcore MB Enthusiast

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    uk.
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  3. OP
    OP
    lifeboattom

    lifeboattom New Member

    Messages:
    11
    Joined:
    Feb 21, 2012
    Car:
    2003 SL350 & 2007 CL500
    Have 2 keys and both do the same - nothing!
     
  4. markmifsud

    markmifsud Hardcore MB Enthusiast

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    Location:
    Bromley, London
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    CLK320 CAB (A208) 02
    Petrolheed likes this.
  5. Petrolheed

    Petrolheed Active Member

    Messages:
    99
    Joined:
    Aug 29, 2018
    Location:
    Scotland
    Car:
    SL500
    I'd give Mark a call, excellent service. I wouldn't be at all surprised if you have some corroded connectors located inside the plastic trunking under the interior carpets though.
     
  6. Martin 1

    Martin 1 Hardcore MB Enthusiast

    Messages:
    371
    Joined:
    Mar 9, 2017
    Location:
    Northants
    Car:
    '05 CLK 200 auto Convertible. silver with blue hood.
    I'm with you guys, they came up with a second key for me, quickly and at a good price. As Mark implies, nothing fazes them.
     
  7. OP
    OP
    lifeboattom

    lifeboattom New Member

    Messages:
    11
    Joined:
    Feb 21, 2012
    Car:
    2003 SL350 & 2007 CL500
    I had it repaired at Autotronics in Leicester, fair play the engineer who did it he phoned me back and arranged DHL to collect it today for further investigation. I'm hoping its not cables under the carpet as the inside is bone dry that's why I bought it and its low milage! I'm getting 12.3v at the supply for the EIS - anything else I need to check?
     

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