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:
Function restrictions
For safety reasons, some COMAND functions
are restricted or unavailable while the vehicle
is in motion. You will notice this, for example,
because you will either not be able to select
certain ...
Problems with the seat heating
The seat heating has switched off prematurely or cannot be switched on. The vehicle's
electrical system voltage is too low because too many electrical consumers are switched
on.
X Switch off ...
Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be trigg ...