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:
Checking the oil level using the oildipstick
When checking the oil level:
• park the vehicle on a level surface.
• the engine should be switched off for
approximately five minutes if the engine is
at normal operating temperature.
Example: ...
Changing the windshield wiper blades
Removing the wiper blades
- Remove the SmartKey from the ignition
lock.
- Fold the wiper arm away from the
windshield.
- Firmly press release knob 1 and pull the
wiper blade upwards from th ...
Adaptive Highbeam Assist
You can use this function to set the
headlamps to change between low beam and
high beam automatically. The system
recognizes vehicles with their lights on, either
approaching from the opposite ...
