Changing the battery
You require a CR 2025 3 V cell battery.
•► Take the mechanical key out of the SmartKey

•► Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tray cover 1 opens.
When doing so, do not hold cover 1 shut.
•► Remove battery tray cover 1.

•► Repeatedly tap the SmartKey against your palm until battery 3 falls out.
•► Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
•► Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
•► Insert the front tabs of battery tray cover 1 and then press to close it.
•► Insert the mechanical key into the SmartKey.
•► Check the function of all SmartKey buttons on the vehicle.
See also:
Maintenance
The Service and Warranty Booklet describes
all the necessary maintenance work which
should be done at regular intervals.
Always have the Service and Warranty
Booklet with you when you bring the ...
Overall evaluation
This function is shown if you have stored at
least one lap and stopped the RACETIMER.
Press or
on the steering wheel
to select the AMG menu.
Press the button repeatedly
until the
overa ...
Exterior mirror out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
Press the mirror-folding button
repeatedly until you hear the
mirrors engage in position.
The mirror housing is ...
