Checking the battery
•► Press the or
button.
The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is discharged.
•► Changing the battery
You can obtain the battery at a qualified specialist workshop.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the or
button locks or
unlocks the vehicle.
See also:
Importing contacts manually
The stored phone book and the vCards
remain in COMAND, even if you use
COMAND with another mobile phone. The
entries can be viewed without a mobile
phone. For this reason, delete the phone ...
Switching the belt adjustment on/off
For further information on belt adjustment.
Press the or
button on the
steering wheel to select the Settings
menu.
Press the or
button to select
Belt Adjustment.
Press the button to ...
Road-simulation test rig: an ordeal for the chassis
The road-simulation test rigs are just as punishing as the body testing
facility. Applying identical load spectra over the same distance, the test
engineers torture the M-Class chassis in all of i ...