Mercedes-Benz SL 550 BlueEFFICIENCY, Operator'S Manual

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lamps/low-beam headlamps go out after
three minutes.
When the engine is running, the vehicle is
stationary and in high ambient light
brightness: if you turn the light switch
to
T
, the daytime running lamps and the
parking lamps are switched on.
If the engine is running and you turn the light
switch to
L
, the manual settings take
precedence over the daytime running lamps.
Daytime running lamps in the USA
1
W
Left-hand standing lamps
2
X
Right-hand standing lamps
3
T
Parking lamps, license plate and
instrument cluster lighting
4
Ã
Automatic headlamp mode/daytime
running lamps
5
L
Low-beam/high-beam headlamps
B R
Fog lamps (vehicles with front fog
lamps)
In the USA, the daytime running lamps are
deactivated upon delivery from the factory.
X
To activate: activate the daytime running
lamps function in the on-board computer
(
Y
page 216).
X
Turn the light switch to
Ã
.
With the engine running: depending on the
ambient light, the daytime running lamps or
the low-beam headlamps are switched on.
When the low-beam headlamps are
switched on, the
L
indicator lamp in the
instrument cluster lights up.
If the engine is running and you turn the light
switch to
L
, the manual settings take
precedence over the daytime running lamps.
Automatic headlamp mode
G
WARNING
If the light switch is set to
Ã
, the low-beam
headlamps will not come on automatically if
it is foggy. This could endanger you and
others. Therefore, turn the light switch to
L
in fog.
The automatic headlamp feature is only an
aid. The driver is responsible for the vehicle's
lighting at all times.
1
W
Left-hand standing lamps
2 X
Right-hand standing lamps
3
T
Parking lamps, license plate and
instrument cluster lighting
4
Ã
Automatic headlamp mode/daytime
running lamps
5
L
Low-beam/high-beam headlamps
B
R
Fog lamps (vehicles with front fog
lamps)
X
To switch on automatic headlamp
mode: turn the light switch to
Ã
.
SmartKey in position 1 in the ignition lock:
the parking lamps are switched on or off
automatically depending on the brightness
of the ambient light.
With the engine running: if you have
activated the daytime running lamps
function in the on-board computer, the
daytime running lamps or the low-beam
110
Exterior lighting
Lights and windshield wipers