Mum has a GLA that is only just over a year old. It has keyless entry & go.
In the last couple of weeks when using either key, we get a message on the dash "change key batteries". This came as a surprise as we've never had to change a key battery before in any of the various Merc's we've had (for example I've had my W212 for over four years without changing the battery in either key and I alternate their use). However, mum's is the first Merc we've had with keyless anything. I've seen suggestions that this will/may be the cause?
Anyway, changing the battery does not appear to be a problem but I have seen suggestions that because the car is keyless, the fobs will have to be reprogrammed after a battery change.
Firstly, is this correct? Secondly, if so, who can reprogram the fobs - a dealer or can indies do it? I suspect I can't!
Any advice gratefully received.
TIA, David.
In the last couple of weeks when using either key, we get a message on the dash "change key batteries". This came as a surprise as we've never had to change a key battery before in any of the various Merc's we've had (for example I've had my W212 for over four years without changing the battery in either key and I alternate their use). However, mum's is the first Merc we've had with keyless anything. I've seen suggestions that this will/may be the cause?
Anyway, changing the battery does not appear to be a problem but I have seen suggestions that because the car is keyless, the fobs will have to be reprogrammed after a battery change.
Firstly, is this correct? Secondly, if so, who can reprogram the fobs - a dealer or can indies do it? I suspect I can't!
Any advice gratefully received.
TIA, David.
