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:
Problems with the engine
Problem
The engine does not start. The starter motor can be heard.
Possible causes/consequences and Solutions
There is a malfunction in the engine electronics.
There is a malfunction in the fu ...
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Switching to audio CD, audio DVD or MP3 mode
Insert a CD/DVD.
The Rear Seat Entertainment System loads
the inserted disc.
Select Disc in the menu using the
buttons on the remote
control and press the button to
confirm.
The corresp ...