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:

    General notes
    USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must ...

    Important notes
    In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the i ...

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are ...