Mercedes-Benz M-Class 2012 Owners Manual - Manual (Page 111)

3T Parking lamps, license plate and
instrument cluster lighting
4c Automatic headlamp mode/daytime
running lamps
5L Low-beam/high-beam headlamps
BR Rear fog lamp
The turn signals, high-beam headlamps and
the high-beam flasher are operated using the
combination switch (
Y
page 111).
! If the battery has been excessively
discharged, the parking lamps or standing
lamps are automatically switched off to
enable the next engine start. Always park
your vehicle safely and sufficiently lit
according to legal standards. Avoid the
continuous use of the T parking lamps
for several hours. If possible, switch on the
X right or the W left standing lamp.
The exterior lighting (except the parking/
standing lamps) switches off automatically if
you:
R remove the SmartKey from the ignition lock
R open the driver's door with the SmartKey
in position 0
If you hear a warning tone when you leave the
vehicle, the lights may still be switched on.
X Turn the light switch to c or Ã.
Low-beam headlamps
X To switch on the low-beam headlamps:
turn the SmartKey in the ignition lock to
position 2 or start the engine.
X Turn the light switch to L.
The L indicator lamp in the instrument
cluster lights up.
Daytime running lamps
Daytime running lamps in Canada
The daytime running lamps function is
required by law in Canada. It cannot therefore
be deactivated.
X Turn the light switch to c or 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.
When the engine is running and the vehicle is
stationary: if you move the selector lever from
a drive position to P, the daytime running
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
In the USA, the daytime running lamps are
deactivated upon delivery from the factory.
X
To activate the daytime running
lamps: activate the daytime running lamps
function in the on-board computer
(
Y
page 234).
X Turn the light switch to c or 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 T or L, the manual settings
take precedence over the daytime running
lamps.
Exterior lighting
109
Lights
and
windshield
wipers