Mercedes-Benz GL-Class: Important safety notes - Service products and capacities - Technical data - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Important safety notes

Service products include the following:

fuels (e.g. gasoline, diesel)
additives for exhaust gas aftertreatment (DEF)
lubricants (e.g. engine oil, transmission oil)
coolant
brake fluid
windshield washer fluid

Vehicle components and their respective lubricants must match. You should therefore only use products that have been tested and approved by Mercedes-Benz.

Information on tested and approved products can be obtained at a Mercedes-Benz Center or on the Internet at http://www.mbusa.com (USA only).

WARNING Comply with all valid regulations with respect 
Comply with all valid regulations with respect to handling, storing and disposing of service fluids. Otherwise, you could endanger persons or the environment.
Keep service fluids out of the reach of children.
For health reasons, you should prevent service fluids from coming into direct contact with your skin or clothing.
If a service fluid is swallowed, contact a physician immediately.

    See also:

    Roadside Assistance
    The Mercedes-Benz Roadside Assistance Program offers technical help in the event of a breakdown. Calls to the toll-free Roadside Assistance Hotline are answered by our agents 24 hours a day, 365 d ...

    Headlight washer (if so equipped)
    The headlight washer operates when the headlight is on and the ignition switch is in the ON position. Pull the windshield washer switch toward you. The headlight washer operates with the win ...

    Trailer towing
    PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. ...