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:
Switching the rear-compartment climate control on/off using the front
control panel
Turn the SmartKey to position 2 in the
ignition lock.
Activate the rear compartment
function via COMAND.
The rear-compartment climate control can
be controlled via the front control panel
...
Low-beam headlamps
To switch on the low-beam headlamps: turn the SmartKey in the
ignition lock to
position 2 or start the engine.
Turn the light switch to .
The indicator lamp on the light
switch
lights up. ...
Lowering the vehicle
WARNING
Pump up the collapsible spare wheel before lowering the vehicle. You could otherwise
damage the wheel rim.
Place the ratchet wrench onto the hexagon nut of the jack so that the
...
