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:
KEYLESS-GO
General information
Vehicles with KEYLESS-GO are equipped with
a SmartKey featuring an integrated KEYLESS-GO
function and a detachable Start/Stop
button.
The Start/Stop button must be inserted ...
Chassis in detail: Dynamism meets comfort
All models in the new M-Class range offer excellent comfort and superb
driving dynamics as standard - both on the road and away from the tarmac.
Besides the steel suspension with selective damping ...
Vehicle identification number (VIN)
The vehicle identification number (VIN) can
be found in the following locations:
• on the vehicle identification plate
• at the lower edge of the windshield
In addition to being stamped on the veh ...
