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:
Using KEYLESS-GO
The KEYLESS-GO key must be outside the
vehicle. All the doors must be closed.
•► Touch recessed sensor surface 1 on the
door handle until the side windows and the
sliding sunroof or the ...
Refrigerant of the air-conditioning
system
The air-conditioning system is filled with
R134a refrigerant and a special PAG
lubricant.
Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-condition ...
ATTENTION ASSIST Warns Drowsy Drivers
Drowsiness is one of the most common causes of accidents. This is why
Mercedes experts have developed the ATTENTION ASSIST system which forms part of
the standard equipment of the new Mercedes CL- ...