Vehicles with manual transmission

•► Shift to either first gear or reverse gear R.
•► Turn the SmartKey to position 0 in the ignition lock and remove it.
The immobilizer is activated.
•► Apply the parking brake firmly.

    See also:

    Engine
    Problem Possible causes/consequences and •► Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for example: ...

    Fuse box in the engine compartment
    ► Open the hood. Illustrated: GL 450 (GL 350 BlueTEC, GL 550 are similar) ► Remove any existing moisture from the fuse box using a dry cloth. ► To open: open clamps 2. ` ...

    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 discharg ...