Keyless Entry not working

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mick6177

New Member
Joined
Sep 25, 2019
Messages
9
Location
Haverhill Suffolk
Car
C220 BLUEtec Sports Premium
All of a sudden my keyless entry has stopped working, i have changed the battery in the fob but its still not working. Is there some sort of reset procedure i can do to sort this out or am i having to go to dealer.
 
Tried it this morning same thing - car will work with the key manually but the keyless side of it is dead
 
Sounds like a trip to the dealer or specialist. Something in the car needs recalibrating.
 
The exact same thing has happened to me this morning. Haven't used the car for 5-6 weeks but just kept battery topped up but when I tried to open key will not work despite changing battery in remote!
Thankfully a second key works so have accessed but nothing seems to work with first key despite all attempts to reprogram ( hold Lock, press unlock 5 times etc.) Haven't tried removing starter button and using metal key yet.
Car due for service at end of next month but dealer will ,as always, charge the earth for even a simple solution.
 
I am having the same problem. I can gain entry by pressing the fob and when I try to start the car by pressing the start button a message on the screen says ' key not detected ' I tried the spare key with the same result. I then look at the manual trying what was suggested without success. By removing the start button and inserting the key fob I could start the car. Look like an expensive trip to the dealer.
 

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