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:
Displaying program information
Select Audio in the main function bar by
sliding and turning
the COMAND
controller and press to confirm.
Select Audio by sliding
the COMAND
controller and pressing to confirm.
The au ...
Checking tire pressure electronically
Make sure that the SmartKey is in position
2 in the ignition lock.
Press the
or
button on the
steering wheel to select the Service
menu.
Press the
or
button to sel ...
Conditions for activation
RACE START can be activated when:
• the doors are closed.
• the engine is running and it has reached an
operating temperature of approximately
176 °F (80 °C). This is the case when the
engine ...