Unlocking and opening doors from the inside
You can open a door from inside the vehicle even if it has been locked. You can only open the rear doors from inside the vehicle if they are not secured by the child-proof locks.
Only open the door when the traffic situation permits.
If the vehicle was previously locked with the SmartKey or with KEYLESS-GO, opening the vehicle from the inside will activate the antitheft alarm system. Switch off the alarm

•► Pull door handle 2.
If the door is locked, locking knob 1 pops up. The door is unlocked and can be opened.
See also:
MB Info call button
► Open the stowage compartment under the
armrest.
► Press and hold MB Info call button 1
for
more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assistanc ...
Activating/deactivating Lane Keeping
Assist
You can use the Lane Keep. Asst. function
to activate/deactivate Lane Keeping Assist
(Y page 200) or Active Lane Keeping Assist.
– Press the or
button on the
steering wheel to select the Dri ...
Ruts and gravel roads
Observe the following rules when driving
along ruts in off-road terrain or on roads with
loose gravel:
Check that the ruts are not too deep and
that your vehicle has sufficient clearance.
...
