Page 145 of 491

144 Controls in detailLightingLocator lighting and night security illu-
mination
The locator lighting and the night security
illumination are described in the “Control
system” section, see (
page 171) and
(
page 172).
Fog lampsFront fog lamps
Switch on the low beam headlamps
(page 51).
Pull out the exterior lamp switch to first
stop.
The front fog lamps are switched on.
The green indicator lamp‡ in the
exterior lamp switch comes on
(page 24).
Push in the exterior lamp switch.
The front fog lamps are switched off.
The green indicator lamp‡ in the
exterior lamp switch goes out.
Warning!
G
In low ambient lighting or foggy conditions,
only switch from position U to B with
the vehicle at a standstill. Switching from
U to B will briefly switch off the head-
lamps. Doing so while driving in low ambient
lighting conditions may result in an acci-
dent.
iFog lamps will operate with the parking
lamps and / or the low beam head-
lamps on. Fog lamps should only be
used in conjunction with low beam
headlamps. Consult your State or Prov-
ince Motor Vehicle Regulations regard-
ing allowable lamp operation.iFog lamp cannot be switched on with
the exterior lamp switch in
positionU. For switching on the fog
lamps, turn exterior lamp switch to
positionB first.
Page 146 of 491

145 Controls in detail
Lighting
Rear fog lamps (driver’s side only)
Switch on the front fog lamps
(page 144).
Pull out the exterior lamp switch to sec-
ond stop.
The rear fog lamp are switched on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(page 24).
Push in the exterior lamp switch to first
stop.
The rear fog lamp is switched off.
The yellow indicator lamp† in the
lamp exterior switch goes out.
The front fog lamps remain lit.
Combination switch
The combination switch is located on the
left side of the steering column.
1High beam
2High beam flasherHigh beam
Turn exterior lamp switch to
positionB or U (
page 141).
Push the combination switch in direc-
tion of arrow1 to switch on the high
beam.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 24).
Pull the combination switch in direction
of arrow2 to switch off the high
beam.
The high beam headlamp indicator
lampA in the instrument cluster
goes out.
High beam flasher
Pull the combination switch briefly in
direction2.
Page 150 of 491

149 Controls in detail
Lighting
Door entry lamps
For better orientation in the dark, the cor-
responding door entry lamps will switch on
in the darkness when you open a door and
the automatic control is activated.
The door entry lamps will switch on when
the corresponding door is closed.
Interior lighting in the rear
The overhead control panel is located
above the rear seat bench.
1Ambient lighting switch, to brighten
2Rear reading lamp
3Rear reading lamp on / off
4Rear interior lamp
5Ambient lighting
6Ambient lighting switch, to brightenRear reading lamps
Press desired rear reading lamp
switch3 to switch on the correspond-
ing rear reading lamp.
Press respective rear reading lamp
switch3 again to switch off the corre-
sponding rear reading lamp.
Ambient lighting
Press ambient lighting switch1 or6
repeatedly until ambient lighting5
has reached the desired intensity.
You can switch the ambient lighting on and
off using the control system (
page 173).
iIf you turn the SmartKey in the starter
switch to position0 and switch off the
headlamps, the door entry lamps will
remain lit for approximately five
minutes.
Page 171 of 491

170 Controls in detailControl systemLighting submenu
Access the
Lighting
submenu via the
Set-
tings
menu. Use the
Lighting
submenu
to change the lamp and lighting settings on
your vehicle. The following functions are
available:Setting daytime running lamp mode
(USA only)
Move the selection marker with
theæ orç button to the
Light-
ing
submenu.
Press buttonj ork repeatedly
until you see this message in the dis-
play:
Lamp circuit headlamp
.
The selection marker is on the current
setting.
Pressæ orç to select
manual
or
daytime running lamp (
constant
)
mode. This function is not available in
countries where daytime running
lamps are mandatory.With daytime running lamp mode activated
and the exterior lamp switch at
positionM orU the low beam head-
lamps are switched on when the engine is
running.
In low ambient light conditions the follow-
ing lamps will switch on additionally:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
For more information on the daytime run-
ning lamp mode, see “Lighting”
(
page 141).
Function
Page
Set daytime running lamp mode
(USA only)
170
Set locator lighting
171
Ambient light level
173
Exterior lamps delayed shut-off
172
Interior lighting delayed shut-off
173
Page 173 of 491

172 Controls in detailControl systemSetting night security illumination
(Headlamps delayed shut-off)
Use this function to set whether and how
long you would like the exterior lamps to il-
luminate during darkness after exiting the
vehicle and all doors closed.
With the delayed shut-off feature activated
and the exterior lamp switch in
positionU before the engine is turned
off, the following lamps will switch on after
you have removed the SmartKey from the
starter switch or, when using
KEYLESS-GO*, after turning off the engine
and open the driver’s door:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
If you do not open a door after removing
the SmartKey from the starter switch, the
lamps will switch off automatically after
approximately 60 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until you see
Headlamps delayed
shut-off
in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to select
the desired lamp-on period.
0 sec.
, the delayed shut-off feature
is deactivated.
15 sec.
, 30 sec.
, 45 sec.
or
60 sec.
, select the desired lamp-on
period.
Turn the exterior lamp switch to
positionU before turning off the
engine.
The headlamps delayed shut-off fea-
ture is activated.
You can temporarily deactivate the de-
layed shut-off feature:
Before exiting the vehicle, turn the
SmartKey in the starter switch to
position0.
Then turn it to position2 and back to
position0.
The delayed shut-off feature is deacti-
vated. It will reactivate as soon as you
reinsert the SmartKey in the starter
switch.
Vehicles with KEYLESS-GO*:
Press the KEYLESS-GO start / stop but-
ton on the gear selector lever
(page 36).
iYou can reactivate this function within
ten minutes by opening a door.
Page 192 of 491

191 Controls in detail
Good visibility
Good visibility
For information on windshield wipers, see
“Windshield wipers” (
page 52).
Headlamp cleaning system*
The button is located on the left side of the
dashboard.
1Headlamp washer button
Switch on the ignition (
page 34).
Press button1.
The headlamps are cleaned with a
high-pressure water jet.For more information on filling up the
washer reservoir, see “Windshield washer
system and headlamp cleaning system*”
(
page 306).
Rear view mirror
For more information on setting the rear
view mirrors, see “Mirrors” (
page 41).
Auto-dimming mirror
The reflection brightness of the exterior
rear view mirror on the driver’s side and
the interior rear view mirror will respond
automatically to glare when
the ignition is switched on, and
incoming light from headlamps falls on
the sensor in the interior rear view mir-
ror
The rear view mirror will not react if
reverse gear is engaged
the interior lighting is turned on
Warning!
G
The auto-dimming function does not react if
incoming light is not aimed directly at sen-
sors in the interior rear view mirror.
The interior rear view mirror does not react,
for example, if the rear window sunshade is
in raised position.
Glare can endanger you and others.Warning!
G
In the case of an accident liquid electrolyte
may escape from the mirror housing if the
mirror glass breaks.
Electrolyte has an irritating effect. Do not al-
low the liquid to come into contact with
eyes, skin, clothing, or respiratory system.
In case it does, immediately flush affected
area with water, and seek medical help if
necessary.
Page 298 of 491
297 Operation
At the gas station
Replace the fuel cap by turning it to the
right.
You will hear when the fuel cap is tight-
ened.
Close the fuel filler flap.
Check regularly and before a long trip
1Windshield washer and headlamp
cleaning system*
2Brake fluid
3Coolant level
iLeaving the engine running and the fuel
cap open can cause the yellow fuel
tank reserve warning lamp to flash and
the? malfunction indicator lamp
(USA only) or the ± malfunction in-
dicator lamp (Canada only) to illumi-
nate.
For more information, see “Practical
hints” (
page 357).
iOnly use premium unleaded gasoline
with a minimum Posted Octane Rating
of 91 (average of 96 RON / 86 MON).
Information on gasoline quality can
normally be found on the fuel pump.
More information on gasoline can be
found in the Factory Approved Service
Products pamphlet.
iOpening the hood, see (
page 299).
Page 299 of 491

298 OperationAt the gas stationWindshield washer system and
headlamp cleaning system*
For information on refilling the reservoir,
see “Windshield washer system and head-
lamp cleaning system*” (
page 306).
Brake fluid
For information on brake fluid, see “Fuels,
coolants, lubricants, etc.” (page 453).Coolant
For normal replenishing, use water (pota-
ble water quality). For more information on
coolant, see “Coolant level” (
page 303)
and see “Fuels, coolants, lubricants etc.”
(
page 450).
Engine oil level
For more information on engine oil level,
see (page 300).Vehicle lighting
Check function and cleanliness. For more
information on replacing light bulbs, see
“Replacing bulbs” (
page 410).
For more information, see “Exterior lamp
switch” (
page 141).
Tire inflation pressure
For more information on tire inflation pres-
sure, see “Checking tire inflation pressure”
(
page 318).
!If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks immediately. Noti-
fy an authorized Mercedes-Benz Center
immediately. Do not add brake fluid as
this will not solve the problem. For
more information, see “Practical hints”
(page 354).