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:
Hazard warning lamps
The hazard warning lamps automatically
switch on if:
• an air bag is deployed.
• the vehicle is slowed down severely from a
speed of over 45 mph(70 km/h) and comes
to a halt.
► To swit ...
Headlamps fogged up on the inside
The headlamps may fog up on the inside if
there is high atmospheric humidity.
- Drive with the headlamps switched on.
The level of moisture diminishes,
depending on the length of the journey and ...
Gasoline
Fuel grade
You should only refuel with unleaded
premium-grade gasoline as this avoids
damaging the catalytic converter.
If engine running problems are apparent,
have the cause checked immediat ...