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.
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:
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 ...
Fuel grade
You should only refuel with unleaded premium-grade gasoline as this avoids
damaging the catalytic converter.
If engine running problems are apparent, have the cause checked immediately and
rep ...
Opening and closing
You can continue to operate the
sliding
sunroof after switching off the engine or
removing the SmartKey from the ignition
lock. This function is available for up to five
minutes or until th ...