PuffinBilly
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- Oct 20, 2010
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Hi - I can't find anyone with this exact same problem, so wonder if anyone can help.
I have a 1995 C180 w202. It uses the IR only, single button remote keyfob. When I bought it it had a brand new keyfob which has now stopped operating the central locking, but will start the car. Fortunately, when I bought the car it had a broken keyfob, which I repaired (just the switch on the circuit board) and re-synched, and kept it as a spare. This older one operates the central locking fine (and starts the car). I've switched batteries between the keyfobs, but the newer one still doesn't work the CL, whilst the older one does (I've tested both fobs with a digi cam and both are transmitting, and both flash that the batts are ok). So clearly, the circuits in the car are all fine, both key fobs are synched as they both start the car, just that the newer one has suddenly stopped operating the central locking (I've tried re-synching the newer one several times as per the manual, and also tried several other synching variations).
Immediately before the newer fob stopped operating the CL, I was fiddling about with a multi cigarette adaptor to give me power outlets to my new sat nav, plus my hands free, radar detector and phone charging - I managed to run the battery a bit flat and used a booster to start it, before going on a short run. Car starts fine, plenty of power in the battery, just the new fob suddenly won't operate the CL -any ideas?
I have a 1995 C180 w202. It uses the IR only, single button remote keyfob. When I bought it it had a brand new keyfob which has now stopped operating the central locking, but will start the car. Fortunately, when I bought the car it had a broken keyfob, which I repaired (just the switch on the circuit board) and re-synched, and kept it as a spare. This older one operates the central locking fine (and starts the car). I've switched batteries between the keyfobs, but the newer one still doesn't work the CL, whilst the older one does (I've tested both fobs with a digi cam and both are transmitting, and both flash that the batts are ok). So clearly, the circuits in the car are all fine, both key fobs are synched as they both start the car, just that the newer one has suddenly stopped operating the central locking (I've tried re-synching the newer one several times as per the manual, and also tried several other synching variations).
Immediately before the newer fob stopped operating the CL, I was fiddling about with a multi cigarette adaptor to give me power outlets to my new sat nav, plus my hands free, radar detector and phone charging - I managed to run the battery a bit flat and used a booster to start it, before going on a short run. Car starts fine, plenty of power in the battery, just the new fob suddenly won't operate the CL -any ideas?