Keyless entry problem


Active Member
Jul 1, 2003
CLK320 W209
CLK320 W209.
3 times now the keyfobs have lost their ability to start the car and all the seats / mirrors / steering wheel lose their memories.
After a little while the systems can be reset and all is well again.
However now 1 of the keyfobs will no longer 'keyless' start the car. I get 'key not recognised!' and have to use it conventionally. Have checked the batteries 3.2V each (do they run down as I only use the keyless mode).
It doesn't affect the 'keyless' entry ability at any time.
Stealership previously couldn't find anything wrong. Mind you they've had three attempts at ordering up a replacement button for the armrest and have yet to get the right one / colour yet!

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