Mercedes Benz C Class remote key fob not working

Car: Mercedes Benz C Class
Variant: C200K
Model Year: 2002
Categories: Electrics, ECU, Warnings & Lights
I returned to the car yesterday and the remote key fob would not open the doors. I used the metal slide out section of the key to open the driver's door (but it didn't open the rest). This set off the alarm which stopped after about 20 seconds. I then tried to use the key fob to start the car but this would not work.

My wife brought me the spare key fob, but this would work either. As a result I have had to abandon the car where it was parked. I would like to know what this problem is likely to be and approximately how much it is likely to cost to repair.

Thanks
Posted: Jan 18, 2015 (9 years ago)
First thing I would do is check / replace battery in key fob .
Posted Jan 19, 2015 (9 years ago)
Changed batteries car still wont open with fob and at the same time wont lock boot any suggestions would be very appreciated
Posted May 8, 2015 (9 years ago)

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