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:
Using KEYLESS-GO to start the engine
WARNING
As long as the SmartKey is in your vehicle, the vehicle can be started. Therefore,
never leave children unattended in the vehicle, as they could otherwise accidentally
start the engi ...
Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are ...
Please bear the following in mind
For safety reasons, Mercedes-Benz recommends that you only use Tires and wheels
which have been approved by Mercedes-Benz specifically for your vehicle.
These tires have been specially adapted f ...