Adjusting the head restraints manually
The head restraints must only be removed
at a qualified specialist workshop.
Mercedes-Benz recommends that you use a Mercedes-Benz Center for this purpose.

► If the head restraint is fully lowered,
it is
necessary to press release catch 1.
► To raise: pull the head restraint up to
the
desired position.
► To lower: press release catch 1 in the
direction of the arrow and push the head
restraint down to the desired position.
See also:
Correct driver's seat position
Observe the safety guidelines on seat
adjustment.
► Check whether you have adjusted seat 3
properly.
Electrical seat adjustment
When adjusting the seat, make sure:
• you are as far aw ...
Checking the coolant level
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
► Turn the SmartKey to position
2 in the ignition lock.
On vehicles with KEYLESS-GO, ...
External authorization
If COMAND does not detect your mobile
phone, this may be due to particular security
settings on your mobile phone. In this case,
you can test if your mobile phone can find
COMAND. The Bluetoot ...
