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:
Activating/deactivating the residualheat function
It is possible to make use of the residual heat
of the engine to continue heating the
stationary vehicle for up to 30 minutes after
the engine has been switched off. The heating
time depends on th ...
Refrigerant of the air-conditioning system
The air-conditioning system is filled with
R134a refrigerant and a special PAG
lubricant.
Never use refrigerant R 12 (CFC)
or
mineral lubricants. Otherwise, you could
damage the air-condit ...
Lights
Display messages about LEDs:
This display message will only appear if all LEDs have failed.
Display messages
Possible causes/consequences and •► Solutions
Check Left
Corneri ...