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:

    Hiding a service message
    Press the or button on the steering wheel. ...

    Socket in the cargo compartment
    X Lift up the cover of socket :. ...

    Problems with the seat heating
    The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. •► Swit ...