Opening the DEF filler cap

The filler neck for DEF is behind the fuel filler flap.

The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or with KEYLESSGO.

- Switch off the ignition.

- Switch off the ignition.
- Press the fuel filler flap in the direction of arrow 1.
The fuel filler flap swings up.
- Turn blue DEF filler cap 2 counterclockwise and remove it.
DEF filler cap 2 is secured with a plastic strap.

    See also:

    Engine number
    1 Emission control information plate, including the certification of both federal and Californian emissions standards 2 Engine number (stamped into the crankcase) 3 VIN (on the lower edge of ...

    Important safety notes
    WARNING   When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the ...

    GVWR (Gross Vehicle Weight Rating)
    The GVWR is the maximum permissible gross weight of a fully loaded vehicle (the weight of the vehicle including all accessories, occupants, fuel, luggage and the drawbar noseweight, if applica ...