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:
Important safety notes
WARNING
Grains of sand, particles of dirt and other abrasive materials can enter the
brake system. This can lead to excessive wear and unpredictable braking efficiency.
After the brakes have ...
Switching the daytime running lamps
on/off
This function is not available in Canada.
If you have activated the Daytime Running
Light function and the light switch is in the
or
position, the daytime running
lamps are switched on autom ...
Checking tire pressure manually
To determine and set the correct tire
pressure, proceed as follows:
Remove the valve cap of the tire that is to
be checked.
Press the tire pressure gauge securely onto
the valve. ...
