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:
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, ...
Safety systems
Problem
Possible causes/consequences and
Solutions
(USA only)
(Canada only)
The red brake system warning lamp comes on while the
engine is running. A warning to ...
Connection options
Overview
You will find the connection sockets in the
glove box.
Device-specific adapter cables are required
to connect external devices to the Media
Interface. These cables are included in the ...