Keyless Go

Discussion in 'Electronics' started by tanuie, May 1, 2014.

  1. tanuie

    tanuie Hardcore MB Enthusiast

    Messages:
    1,550
    Joined:
    Oct 1, 2012
    Location:
    Ely Cambridge
    Car:
    C Class 350 Sports Edition Coupe W203
    Hi, I have just bought a CLK 320 2005 it comes with keyless go which does not work, I was told this before buying it which I accept, however are these systems problematic and what is likely the most common cause.
    Do you have to have a star diagnostic to tell you the problems.
    Me being me I have to have everything working if it's fitted to the car.
    Many Thanks.
    Terry.
     
  2. miro

    miro Hardcore MB Enthusiast

    Messages:
    3,444
    Joined:
    Mar 1, 2004
    Location:
    Sydney NSW Australia
    Car:
    W203 slightly modified
    If the car is factory fitted it is a relatively simple fix.

    Areas to probe.
    - door locks
    - door handles
    - door modules
    - centre console module
    - gear selector
    - trunk wiring
    - main control module on the rear fuse box

    As a safety feature, keyless go stops working if it is broken somewhere. Assuming the car is 100% original and not been tampered with, these faults are uncommon.

    Once you identify the fault with a diagnostic you do a software startup process and it all resets itself. It even pops the doors open sequentially to validate the door locks. Cool to see it in the self test.
     
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