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:
Switching the screen on/off (Rear Seat
Entertainment System only)
If the SmartKey is in the ignition lock in
position 0 or 1 or if the SmartKey is not in the
ignition lock, the rear screens will switch off
after 30 minutes. Before the screens switch
off, the ...
Service menu
In the Serv. menu you can:
• call up display messages
• restart the tire pressure loss warning system (Canada only)
• check the tire pressure electronically
• call up the service due date ...
Safety, Reliability & Mileage
The CL has not been crash-tested by the Insurance Institute for Highway
Safety, nor is there reliability data for it. The CL550's mileage is estimated
to be 15/23 mpg city/highway, and it takes pr ...