Page 350 of 426
350 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
Turn Signal
Front Left
Auxiliary Bulb On
The left front turn signal lamp is
malfunctioning. An auxiliary
bulb is being used.
Contact an authorized Mercedes-Benz Center as soon as
possible.
Turn Signal
Front Right
Auxiliary Bulb On
The right front turn signal lamp
is malfunctioning. An auxiliary
bulb is being used.
Contact an authorized Mercedes-Benz Center as soon as
possible.
Turn Signal
Rear Left
Auxiliary Bulb On
The left rear turn signal lamp is
malfunctioning. An auxiliary
bulb is being used.
Contact an authorized Mercedes-Benz Center as soon as
possible.
Turn Signal
Rear Right
Auxiliary Bulb On
The right rear turn signal lamp
is malfunctioning. An auxiliary
bulb is being used.
Contact an authorized Mercedes-Benz Center as soon as
possible.
Page 361 of 426

361 Practical hints
Replacing bulbs
Replacing bulbs
Safe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp
assemblies are in good working order at all
times.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. See an authorized
Mercedes-Benz Center for headlamp
adjustment.
!
Do not replace the LEDs or bulbs yourself.
You could otherwise damage the vehicle lighting
system or parts of the vehicle. Only have the
LEDs or bulbs replaced by an authorized
Mercedes-Benz Center.
i
If the headlamps are fogged up on the inside
as a result of high humidity, driving the vehicle a
distance should clear up the fogging.
i
Substitute bulbs will be brought into use
when lamps malfunction. Observe the messages
in the multifunction display (
page 346).
i
If one of the following bulbs blows, another
bulb will adopt its function:
Rear turn signals
Brake lamps
Side lamps
Tail lamps
Page 362 of 426
362 Practical hintsReplacing bulbs
Front lamps
Rear lamps
Lamp
Type
1
Additional turn signal
LEDs
2
Turn signal
PY 21 W
3
Side marker lamp
WY 5 W
4
Parking lamp
W5W
5
Low- and high-beam
lamp
D2S, 35 W
6
High-beam flasher
H7, 55 W
7
Front fog lamp
H3, 55 W
Lamp
Type
8
Brake/parking lamp
LEDs
9
Turn signal lamp
LEDs
a
Side marker lamp
P21W
b
High-mounted brake
lamp
LEDs
c
License plate lamp
C5W
d
Rear fog lamp
P21W
e
Backup lamp
P21W
f
Reflector
-
Page 417 of 426

417 Index
Unlocking, Trunk 100
Kickdown 173, 405
Kilopascal 287
Knee air bags 66
L
Labels
Certification 382
Emission control label 382
Lamps
Exterior 361
Lamps, exterior
Messages in the multifunction
display 346
Lamps, indicator and warning
ABS 29, 306
ABS/ESP
®
29, 304
Airbrake 29, 311
Battery, SmartKey 100
Brake 29, 307
Center console 317
Combination low tire pressure/TPMS
malfunction telltale 29, 315Coolant 29, 310
Engine malfunction 29, 308
Engine oil temperature 29, 311
Fog lamps 109
Fuel reserve 29, 311
Gearshift 29, 311
High beam 29
Instrument cluster 304
PASSENGER AIR BAG OFF 70, 317
Passenger front air bag off 317
Seat belt telltale 29, 312
Seat belts 312–313
SRS 29, 61, 314
Turn signals 29
Language, Setting 133
License plate lamp
Messages in the multifunction
display 347
Replacing bulbs 361
License plate lamps 362
Light sensorMessages in the multifunction
display 347
Lighter see Cigarette lighter
Lighting
Automatic headlamp mode 107
Exterior 106
Instruments 114
Interior 112
Low-beam headlamps 107
Manual headlamp mode 107
Limp-Home Mode, Automatic
transmission 180
Linkage covers 202
Loading see Vehicle loading
Location
Audio system 145
Compact guide (Canada only) 209
Vehicle literature portfolio 356
Locator lighting 109, 135
Loss of
Keys 101
Service and Warranty Information
Booklet 381
Page 424 of 426

424 Index
Rotation 289
Service life 261
Size designation 277
Sizes 386
Snow chains 293
Speed rating 242, 277, 279, 288
Storing 262
Temperature 269, 285
Terminology 286
TIN 281
TIREFIT kit 365
Traction 241, 285
Tread depth 261, 292
Treadwear indicators 261
Vehicle maximum load on 289
Wear pattern 289
Winter* 292
Top tether, see Children in the vehicle
Total load limit 288
Tow-away alarm 95Towing 373
Transmission damage 375
Towing eye bolt 356
Installing/reinstalling 375
Traction 86, 175, 241, 288
Transmission gear selector lever see Gear
selector lever
Transmission see Automatic transmission
Transporting the vehicle 375
Traveling abroad 244
Tread 288
Tread depth 261, 292
Treadwear indicators 288
Trip computer 139
Trip odometer 115, 117
Trunk
Closing 103
Emergency release 104
Lamp 113
Lock 102
Message in the multifunction
display 353Opening 100, 102
Opening in an emergency 357
Parcel net 210
Trunk lid rack 230
Turn signals 51
Additional in mirrors 362
Indicator lamps 29
Messages in the multifunction
display 347
Replacing bulbs 361
Turning off the engine 56
U
Uniform Tire Quality Grading
Standards 289
Units, Setting
Digital speedometer 132
Unleaded gasoline, Premium 247, 396
Useful features 209
V
Vehicle
Batteries 256
Control system, Settings menu 129