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:
Manual interior lighting control
•► To switch the front interior lighting on/
off: press the button.
•► To switch the rear interior lighting on/
off: press the button.
•► To switch the reading lamps on/off: ...
Fuse box on the left in the direction of
travel
Open the hood.
Remove any existing moisture from the
fuse box using a dry cloth.
AMG vehicles: remove the control unit
above the fuse box.
To open: undo screws 1 with an Allen
key.
...
TWR (Tongue Weight Rating)
The TWR specifies the maximum permissible
weight that the ball coupling of the trailer tow
hitch can support. ...