Additives

Do not use any additives in the engine oil.
This could damage the engine.

    See also:

    SRS warning lamp
    SRS functions are checked regularly when you switch on the ignition and when the engine is running. Therefore, malfunctions can be detected in good time. The SRS warning lamp in the instrument c ...

    Vehicle
    Activating/deactivating the automatic door locking feature If you select the Automatic Door Locking function, the vehicle is centrally locked above a speed of around 9 mph (15 km/h). For furth ...

    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. ` ...