Important safety notes
WARNING 
For reasons of safety, have the NECK-PRO
head restraints/NECK-PRO luxury head
restraints checked at an authorized
Mercedes-Benz Center after a rear-end
collision.
WARNING
When pushing back the NECK-PRO head
restraint cushion, make sure your fingers do
not become caught between the head
restraint cushion and the cover. Failure to
observe this could result in injuries.
See also:
Problems with the side windows
Problem: a side window cannot be closed
because it is blocked by objects, e.g. leaves in the window guide.
Remove the objects.
Close the side window.
Problem: a side window cannot be closed
...
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
•► Open the driver's door.•► Close the front-passenger door, the rear
doors and the trunk lid/tailgat ...
Ashtray in the front-compartment
center console
The holder under the ashtray is not heat
resistant. Before placing lit cigarettes in the
ashtray, make sure that the ashtray is
properly engaged. Otherwise, the holder
could be damaged.
...