Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock.
You can control the multifunction display and the settings in the on-board computer using the buttons on the multifunction steering wheel.

1 Multifunction display
2 To switch on the Voice Control System; see the separate operating
instructions
3 Right control panel
4 Left control panel
5 Back button
See also:
First-aid kit
– Open the tailgate.
– Remove first-aid kit 1 from the parcel net.
Check the expiration date on the first-aid
kit at least once a year. Replace the
contents if necessary, and replace mi ...
Storing wheels
Store wheels that are not being used in a cool,
dry and preferably dark place. Protect the
tires from oil, grease, gasoline and diesel. ...
Performance to Match Looks
Despite its size and 4,650-pound curb weight, the CL550 has performance to
match its looks. It shares its engine and seven-speed automatic transmission
with the S-Class, and as of the 2009 model y ...
