Page 318 of 426

316 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
.
High beam left
The left high beam lamp is
malfunctioning.
Replace the bulb as soon as possible.
High beam right
The right high beam lamp is
malfunctioning.
Replace the bulb as soon as possible.
License plate lamp,
left
The left license plate lamp is
malfunctioning.
Replace the bulb as soon as possible.
License plate lamp,
right
The right license plate lamp is
malfunctioning.
Replace the bulb as soon as possible.
Light sensor
Drive to workshop
The lamp sensor is malfunctioning.
The headlamps switch on automatically.
In the control system, set lamp
operation to manual (
page 140).
Switch on the headlamps using the
exterior lamp switch (
page 108).
Visit an authorized Mercedes-Benz
Center as soon as possible.
Low beam left
The left low beam lamp is malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:
Visit an authorized Mercedes-Benz
Center as soon as possible.
Page 319 of 426

317 Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
.
Low beam right
The right low beam lamp is
malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:
Visit an authorized Mercedes-Benz
Center as soon as possible.
Parking lamp
left front
The left front parking lamp is
malfunctioning.
Replace the bulb as soon as possible.
Parking lamp
right front
The right front parking lamp is
malfunctioning.
Replace the bulb as soon as possible.
Rear fog lamp
Substitute bulb on
The rear fog lamp is malfunctioning.
A substitute bulb is being used.
Replace the bulb as soon as possible.
Switch off lights.
Headlamps have been turned on with the
driver’s door opened and the SmartKey
removed from the starter switch.
Switch off the headlamps.
Taillamp left
Substitute bulb on
The left tail lamp is malfunctioning.
A substitute bulb is being used.
Replace the bulb as soon as possible.
Taillamp right
Substitute bulb on
The right tail lamp is malfunctioning.
A substitute bulb is being used.
Replace the bulb as soon as possible.
Page 335 of 426
333 Practical hints
Replacing bulbs
Front lamps Rear lamps
Lamp
Type
1
Additional turn signal
lamp
LED
2
Halogen headlamp:
Turn signal lamp
Bi-Xenon* headlamp:
Turn signal lamp
1156 A
2357 A
3
Halogen headlamp:
Low beam
Bi-Xenon* headlamp:
Low and high beam
1
1Vehicles with Bi-Xenon* headlamps: Low beam
and high beam use the same D2S-35W lamp. Do
not replace the Xenon bulbs yourself. See an
authorized Mercedes-Benz Center.
H7 (55 W)
D2S-35 W
Lamp
Type
4
Halogen headlamp:
High beam/high beam
flasher
Bi-Xenon* headlamp:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and standing
lamp
W5W
5
Front fog lamp
HB4/9006
(55 W)
6
Side marker lamp
W5W
Lamp
Type
7
High mounted brake
lamp
LED
8
Brake lamp
P21W
9
Turn signal lamp
PY 21 W
a
Backup lamp
P21W
b
License plate lamps
C5W
c
Rear fog lamp (driver’s
side only), tail, parking,
standing and side
marker lamp
P 21/4 W
Page 337 of 426
335 Practical hints
Replacing bulbs
Replacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 108).
Open the hood (
page 270) (except
for side marker lamps).
Halogen headlamp
1Housing cover for low beam headlamp
2Housing cover for high beam head-
lamp, parking and standing lamp3Bulb socket for turn signal lamp bulb
4Bulb socket for low beam bulb
5Bulb socket for high beam bulb
6Bulb socket for parking and standing
lamp bulbLow beam bulb
Press the clamp on housing cover1
and remove it.
Pull the electrical connector off.
Turn bulb socket4 counterclockwise
and take out the bulb.
Insert the new bulb so that its socket
locates in the recess of the lamp
housing.
Turn bulb socket4 clockwise until it
engages.
Plug the electrical connector onto the
bulb.
Align housing cover1 and press until
it engages.
Page 387 of 426

385 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
BabySmart
TM1
air bag deactivation
system
This system detects if a special system
compatible child restraint seat is
installed on the front passenger seat.
The system will automatically deacti-
vate the passenger front air bag when
such a seat is properly installed
(the56indicator lamp located
in the center console comes on). See
an authorized Mercedes-Benz Center
for availability.BabySmart
TM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the
passenger front air bag if a
BabySmartTM compatible child seat is
installed.
BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking
situations. The system is activated
when it senses an emergency based on
how fast the brake is applied.
Bi-Xenon headlamps*
Headlamps which use an electric arc as
the light source and produce a more
intense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service
center, which can help you with any
questions about your vehicle and
provide assistance in the event of a
breakdown.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control
vehicle functions such as door locking
or windshield wiping depending on
vehicle settings and/or ambient
conditions.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the
passenger compartment needed for
vehicle operation and monitoring.
1BabySmart
TM is a trademark of Siemens
Automotive Corp.
Page 393 of 426

391 Index
A
ABS 79, 385
ABS control 79
Indicator lamp 25
Malfunction indicator lamp 294
Messages in display 302
Accelerator position,
automatic transmission 159
Accident
In case of 54
Activating
Air conditioning (cooling) 173
Air recirculation mode 171
Anti-theft alarm system* 86
Central locking (control system) 143
Climate control 167
Climate control system 169
Defrosting 171
Easy-entry/exit feature* 144
ESP 83
Exterior headlamps 49Exterior lamps 109
Exterior rear view mirror
parking position* 163
Hazard warning flasher 113
Headlamps 49
High beam headlamps 49
High beams 112
Ignition 33
Immobilizer 57, 85
Low beam headlamps 49
Rear window defroster 165
Seat heating* 104
Tow-away alarm* 87
Windshield wipers 51
Adding
Coolant 275
Engine oil 274
Additional turn signals 333
Adjustable air vents,
rear passenger compartment 174Adjusting 35
Air distribution 170
Air volume 170
Backrest contour 103
Backrest side bolsters 103
Backrest tilt, manual seat 36
Backrest tilt, power seat* 38
Exterior rear view mirrors 41
Folding back rear seat
head restraints 101
Head restraint height,
manual seat 37
Head restraint height,
power seat* 38
Head restraint height, rear seats 100
Head restraint tilt, manual seat 37
Head restraint tilt, power seat* 39
Head restraint tilt, rear seats 102
Instrument cluster illumination 116
Interior rear view mirror 41
Manual seat 36
Page 396 of 426

394 IndexB
BabySmart
TM
Air bag deactivation system 72, 385
Compatible child seats 72, 385
Self-test 72
Backrest
Folding forward 230
Folding rearward 231
Backrest contour
Adjusting 103
Backrest side bolsters
Adjusting 103
Backrest tilt
Manual seat 36
Power seat* 38
Backup lamps
Messages in display 315
Replacing bulbs 333
BAS 80, 385
Messages in display 303
Batteries, SmartKey
Changing 331
Check lamp 92
Checking 93Battery discharged
Jump starting 350
Battery, vehicle 276, 347
Charging 348
Disconnecting 348
Reconnecting 349
Reinstalling 348
Removing 348
Bi-Xenon headlamps* 385
Bi-Xenon type*
Front lamp bulbs 337
Block heater (Canada only) 283
Blocking
Rear door window operation 77
Bolts
For Minispare wheel 325
Brake Assist System see BAS
Brake fluid 375
Checking 269
Message in display 307
Brake lamp bulbs 333
Brake lamp, high mounted 333
Brake lamps
Messages in display 315Brake pads
Message in display 307
Brakes 258
Warning lamp 25, 295
Break-in period 256
Bulbs, replacing 332
Additional turn signals 333
Backup lamps 333, 340
Brake lamps 333, 340
Fog lamp, rear 333, 340
Fog lamps, front 333
Front lamps 333
High beam flasher 333
High beam headlamps 333
High mounted brake lamp 333
License plate lamps 333, 340
Low beam headlamps 333
Parking lamps, front 333, 336, 338
Parking lamps, rear 333, 340
Rear lamps 333
Side marker lamps, front 333, 338
Side marker lamps, rear 333, 340
Page 398 of 426

396 IndexChecking
Brake fluid 269
Coolant level 269, 275
Engine oil level 269, 272
Tire inflation pressure 269
Vehicle lighting 269
Washer reservoir level 269
Child safety 69
Air bags 62
Infant and child
restraint systems 66, 69
LATCH-type child seat anchors 75
Child safety switch see
Blocking of rear door window operation
Child seat anchors see
LATCH-type child seat anchors
Cigarette lighter 239
Cleaning
Cloth upholstery 292
Cup holders 291
Gear selector lever 291
Hard plastic trim items 291Headlamps 161
Headliner and shelf below
rear window 291
Instrument cluster 290
Leather upholstery 291
Light alloy wheels 290
MB Tex upholstery 292
Plastic and rubber parts 292
Rear window 53
Seat belts 291
Steering wheel 291
Upholstery 291
Windows 290
Windshield 52
Wiper blades 290
Wood trims 292
Climate control 166
Clock 25, 119, 135, 136
Closing
Cup holder, in rear seat armrest 238
Glove box 234
Hood 271
Tailgate 94Tilt/sliding sunroof* 219
Tilt/sliding sunroof*
in an emergency 329
Tilt/sliding sunroof*
with SmartKey 221
Windows 215, 216
Windows with SmartKey 217
Cloth upholstery
Cleaning 292
Cockpit 22, 385
Cockpit Management and
Data System see COMAND*
Collapsible wheel chock 323
COMAND* 386
COMAND* see
separate operating instructions
Combination switch 112
High beam flasher 49
Rear window wiper 53
Turn signals 50
Windshield wipers 50
Consumer information 382
Control and operation of
radio transmitter 264