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.
- 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:
Range of the sensors
General notes
The sensors must be free of dirt, ice and
slush; otherwise they may not function
correctly. Clean the sensors regularly, taking
care not to scratch or damage them.
Side view
...
Displays and controls
1 Speedometer with segments
2 Multifunction display
3 Tachometer
4 Coolant temperature
5 Fuel gauge
6 Instrument cluster lighting brightness control: turn clockwise or
counterclockwise ...
Problems with the sliding sunroof
Your vehicle may be equipped with a sliding
sunroof or a panorama roof with power tilt/sliding panel. In the following
section, the
term "sliding sunroof" refers to both types of
sli ...
