Page 160 of 424

157 Exterior lamp switch
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Headlamp mode (HEADLAMPS)
(USA only)
The headlamps can be switched on and off manually or
automatically, or switched to daytime running lamp
mode.
Manual operation:
The low beam headlamps, parking lamps and license
plate lamps can be switched on and off with the exterior
lamp switch. For exterior lamp switch, see above.Automatic operation:
With electronic key in starter switch in position 1 turn
exterior lamp switch to positionU.
The parking lamps switch on and off automatically
depending on the brightness of the ambient light.
With the engine running and exterior lamp switch in
positionU:
The low beam headlamps, parking lamps and license
plate lamps are switched on and off automatically
depending on the brightness of the ambient light.
The low beam headlamps, parking lamps and license
plate lamps can still be switched on and off manually
using the exterior lamp switch.
Note:
The headlamps will not be automatically switched on
under foggy conditions.
Wa r n i n g !
The driver is responsible for the operation of the
vehicle’s lights at all times. The automatic
headlamp feature is only an aid to the driver.
Switch on the vehicle lights by hand when driving
or traffic conditions require you to do so.
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158 Exterior lamp switch
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Daytime running lamp mode
Turn exterior lamp switch to positionM.
When the engine is running, the low beam headlamps
(includes parking lamps and license plate lamps) are
automatically switched on.
Canada only:
When shifting from a driving position to position “N”
or “P”, the low beam switches off (3 minutes delay).
For nighttime driving the exterior lamp switch should
be turned to positionB to permit activation of the
high beam headlamps.
USA only:
The high beam headlamps can also be activated when
driving with the daytime running lamp mode activated
and exterior lamp switch in positionM.
See page 156 for notes on the exterior lamp switch.
To activate the daytime running lamp mode, see
“Individual settings” – “LIGHTING” on page 142.Night security illumination
When turning off the engine, the exterior lamps switch
on for added illumination, if they were previously
switched on (except in daytime running mode). After
the last door has been closed the lamp-on time period
commences.
The lamp-on time period for night security illumination
can be set at several different timed levels from 0 (off) to
60 seconds.
Notes:
Within 10 minutes after closing the last door the night
security illumination can be reactivated by opening a
door.
See “Individual settings” – “LIGHTING” on page 142 for
instructions on how to activate the function.
Deactivating night security illumination temporarily:
Turn the electronic key in starter switch to position 0
then to position 2 and back to position 0 again before
getting out of the vehicle. The night security
illumination will not be activated when the door is
opened.
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Page 162 of 424
159 Exterior lamp switch
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Locator lighting
After unlocking the vehicle with the electronic main key
during darkness, the fog lamps, parking lamps,
taillamps and license plate lamps switch on for a
approx. 40 seconds.
The exterior lamps will be switched off when opening
the driver’s door.
See “Individual settings” – “LIGHTING” on page 142 for
instructions on how to activate the function. Headlamp cleaning system
Turn the electronic key in starter switch to position 1
or 2.
The headlamps will be cleaned with a high-pressure
water jet when you press the headlamp washer
button (1).
See page 334 for instructions on filling up the
windshield/headlamp washer reservoir.
P54.25-2391-26
1
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Page 163 of 424
160 Combination switch
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Combination switch
1Low beam
(exterior lamp switch positionB)
2High beam
(exterior lamp switch positionB)3High beam flasher (high beam available
independent of exterior lamp switch position)
4Turn signals, right
5Turn signals, left
To signal minor directional changes, such as changing
lanes on a highway, move combination switch brief ly to
the point of resistance only and release. The turn
signals blink three times.
To operate the turn signals continuously, move the
combination switch past the point of resistance (up or
down). The switch is automatically canceled when the
steering wheel is turned to a large enough degree.
Turn signal failure
If one of the turn signals fails, the turn signal indicator
system f lashes and sounds at a faster than normal rate.
P54.25-2388-26
5
2
1
4
3
4
5
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Page 164 of 424

161 Combination switch
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 6 Press switch briefly:
Single wipe without washer fluid
(select only if windshield is wet).
Push switch past resistance point:
Windshield washer system, windshield wipers.
See page 334 for instructions on filling the
windshield/headlamp washer reservoir.
7Windshield wipers0Off
I Intermittent wiping
One initial wipe, pauses between wipes are
automatically controlled by a rain sensor
monitoring the wetness of the windshield. This
will not occur with a front door open.
Notes:
With switch in this position, one wipe occurs
when turning the electronic key in starter switch
from position 0. This will not occur with a front
door open.
Do not leave in intermittent setting when vehicle
is taken to an automatic car wash or during
windshield cleaning. Wipers will operate in
presence of water spray at windshield, and
wipers may be damaged as a result.
II Normal wiper speed
III Fast wiper speed
P54.25-2389-26
6
7
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162 Combination switch
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Blocked windshield wipers
If the windshield wipers become blocked (for example,
due to snow), switch off the wipers.
For safety reasons before removing ice or snow, remove
electronic key from starter switch. Remove blockage.
Activate combination switch again (electronic key in
starter switch position 1).
Emergency operation of windshield wipers
In case of windshield wiper malfunction in switch
positions I or III, turn combination switch to wiper
setting II. Have the system checked at your authorized
Mercedes-Benz Center as soon as possible.Windshield wipers smear
If the windshield wipers smear the windshield, even
during rain, activate the washer system as often as
necessary. The fluid in the washer reservoir should be
mixed in the correct ratio.
See page 334 for instructions on filling up the
windshield/headlamp washer reservoir.
Windshield and headlamp washer fluid mixing ratio
For temperatures above freezing:
MB windshield washer concentrate “S” and water.
1 part “S” to 100 parts water
(40 ml “S” to 1 gallon water).
For temperature below freezing:
MB windshield washer concentrate “S” and
commercially available premixed windshield washer
solvent/antifreeze.
1 part “S” to 100 parts solvent
(40 ml “S” to 1 gallon solvent).
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Page 166 of 424
163 Hazard warning flasher
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Hazard warning flasher switch
The hazard warning flasher can be activated either
manually via the switch located in the dashboard, or it
is activated automatically at the time an airbag is
deployed.
To activate hazard warning flasher, press switch once.
To deactivate, press switch again.
If hazard warning flasher was activated automatically,
press switch twice to deactivate.Note:
With the hazard warning flasher activated, the
combination switch in position for either left or right
turn, and the electronic key in starter switch position 1
or 2, only the respective left or right side turn signals
will operate.
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Page 167 of 424
164 Automatic climate control
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Automatic climate control
3
P83.40-2266-29
2
1
3
4
5
6
7
89
11
10
12
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