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:
Side impact air bags
WARNING
The pressure sensors for side impact air bag
control are located in the doors. Do not
modify any components of the doors or door
trim panels including, for example, the
addition o ...
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 ...
Before changing a fuse
Park the vehicle and apply the electric
parking brake.
Switch off all electrical consumers.
Remove the SmartKey from the ignition
lock.
The fuses are located in various fuse boxes:
• fuse ...
