SOURCE: Boot wont lock from the key fob or open from inside the car
Why not take mit back to the place that repaired it and ask them to fix it properly?
Ken S.
SOURCE: All four doors will not open
hello,good day,seems your have a bad contact on driver and passenger switch door actuator,maybe loose contact or mechanical defect,which not sending a signal to your central locking pump,try to remove your rear seat,look your pump,right side,driving direction,lock and unlock your car,observe your pump is working,if not,check or replaces your switch door actuator,ty
Testimonial: "Good instructions, didn't exactly get the locks to work but gave us enough info to work the system and get the door open."
SOURCE: mercedes key fob wont lock the doors.might have a
Hi, it’s pretty difficult to
lose a part of the circuit as you describe. So assuming that you have placed
new fresh batteries correctly in the key – making sure that the polarity is
correct! (easy to get wrong!) the key will need to be synchronised to the cars ignition
/ management system. You don’t say which model or year your Merc is, but most
have a similar way of re – synchronising the Key to the car. It’s pretty easy
and you lose nothing by trying it anyway.
Synchronising the locking system
If the vehicle
cannot be locked or unlocked, first check the remote control unit batteries
(see below). If the battery charge indicator lamp lights up, this means the
system needs to be synchronised.
To do this, direct
the remote control unit at the car and briefly press the Lock or Unlock button
twice. Within approximately 30 seconds, put the key in the ignition lock and
turn the key to position 2. The locking system should now be operative.
Battery Check
Press either the
Lock or Unlock button and hold for longer than one second. The light on the key
lights up briefly if the battery is OK. if it does not light up, replace the
batteries immediately. Mercedes will charge a small fortune for these, so try
elsewhere, they are pretty common and will cost substantially less.
If re –
synchronising the Key fails to solve the problem, check that the Central
locking fuse in the cars main fuse box is OK.
Hope this solves the
problem – Let me know? Good luck!
SOURCE: immobiliser on mercedes a class will not switch
The fob and car have to go to the dealer to have it reprogramed.
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