Clearing the memory of the integrated garage door opener on the rear-view mirror
X Turn the SmartKey to position 2 in the ignition lock.
X Press and hold transmitter buttons 2 and 4 for approximately 20 seconds until indicator lamp 1 flashes rapidly. The memory is cleared.
You should clear the remote control memory before selling the vehicle.
See also:
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It's fascinating that Mercedes can charge such a premium and still have the
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System self-test
After you have switched on the ignition, the system carries out a self-diagnosis.
WARNING
A malfunction in the system has been detected if one of the following conditions
occurs:
the indi ...