Cleaning the sensors

Clean sensors 1 of the driving systems
with water, car shampoo and a soft cloth.
When cleaning the sensors with a power
washer, maintain a distance between the
vehicle and the nozzle of the power washer
of at least 11.8 in (30 cm). Information
about the correct distance is available from
the equipment manufacturer.
See also:
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.
...
Vehicle remote opening
If you have unintentionally locked your
vehicle (e.g. the SmartKey is still in the
vehicle) and a replacement SmartKey is not
available, the vehicle can be opened by a
Mercedes-Benz Customer Assis ...
Starting procedure with the SmartKey
To start the engine using the SmartKey
instead of KEYLESS-GO, pull the Start/
Stop button out of the ignition lock.
•► To start a gasoline engine: turn the
SmartKey to position 3 in ...
