Mercedes-Benz GLS Operator's Manual page 118

Exterior lighting
116
The daytime running lamps improve the visibility
of your vehicle during the day. To do this, the
daytime running lamps function must be
switched on using the on-board computer
( page 243).
Y
If the engine is running and you turn the light
switch to T or L, the manual settings
take precedence over the daytime running
lamps.
Low-beam headlamps
Even if the light sensor does not detect that it is
dark, the parking lamps and low-beam head-
lamps switch on when the ignition is switched on
and the light switch is set to the L position.
This is a particularly useful function in the event
of rain and fog.
To switch on the low-beam headlamps:
X
turn the SmartKey to position 2 in the igni-
tion lock or start the engine.
Turn the light switch to L.
X
The green L indicator lamp in the instru-
ment cluster lights up.
Rear fog lamp
The rear fog lamp improves visibility of your
vehicle for the traffic behind in the event of thick
fog. Please take note of the country-specific
regulations for the use of rear fog lamps.
To switch on the rear fog lamp: turn the
X
SmartKey to position 2 in the ignition lock or
start the engine.
Turn the light switch to L or c.
X
Press the R button.
X
The yellow R indicator lamp in the instru-
ment cluster lights up.
To switch off the rear fog lamp: press the
X
R button.
The yellow R indicator lamp in the instru-
ment cluster goes out.
Parking lamps
!
If the battery charge is very low, the parking
lamps or standing lamps are automatically
switched off to enable the next engine start.
Always park your vehicle safely and in a well lit
area, in accordance with the relevant legal
stipulations. Avoid using the T parking
lamps over a period of several hours. If pos-
sible, switch on the right-hand X or left-
hand W standing lamps.
To switch on: turn the light switch to T.
X
The green T indicator lamp in the instru-
ment cluster lights up.
Standing lamps
Switching on the standing lamps ensures the
corresponding side of the vehicle is illuminated.
To switch on the standing lamps: the
X
SmartKey should not be in the ignition lock or
in key position u in the ignition lock.
Turn the light switch to W (left-hand side of
X
the vehicle) or X (right-hand side of the
vehicle).
Vehicles towing a trailer: both the right-hand
and left-hand standing lamps (tail lamps) are
always illuminated on the trailer.
Combination switch
High-beam headlamps
:
; Turn signal, right
= High-beam flasher
Turn signal, left
?
To indicate briefly: press the combination
X
switch briefly to the pressure point in the
direction of arrow ; or ?.
The corresponding turn signal flashes three
times.
To indicate: press the combination switch
X
beyond the pressure point in the direction of
arrow ; or ?.
To switch on the high-beam headlamps:
X
turn the light switch to L or Ã.
Press the combination switch beyond the
X
pressure point in the direction of arrow :.
In the à position, the high-beam head-
lamps are only switched on when it is dark and
the engine is running.