Low-beam headlamps
•► To switch on the low-beam headlamps:
turn the SmartKey in the ignition lock to position 2 or start the engine.
•► Turn the light switch to 
.
The indicator lamp in the instrument
cluster lights up.
See also:
2011 Mercedes-Benz CL-Class Review
The 2011 Mercedes-Benz CL550 is stunning — both to look at and to drive — in
a way not many cars are.
The CL550 is plenty quick, though it's not at the top of the CL-Class heap in
terms of power ...
Important safety notes
WARNING
On slippery road surfaces, never downshift in
order to obtain braking action. This could
result in drive wheel slip and reduced vehicle
control. Your vehicle's ABS will not prevent
...
High-beam spot lamp (vehicles with LED-daytime running lamps)/infrared light
(Night View Assist Plus)
Due to their location, have the bulbs in the
left-hand headlamp changed at a qualified
specialist workshop, e.g. an authorized
Mercedes-Benz Center.
Switch off the lights.
Open the hood.
...