345 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
.Turn signal
front left
Auxiliary bulb onT h e l e f t f r o n t t u r n s i g n a l l a m p i s
malfunctioning. An auxiliary
bulb is being used.Contact an authorized Mercedes-Benz Center as soon as
possible.
Turn signal
front right
Auxiliary bulb onThe 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 onThe 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 onThe right rear turn signal lamp
is malfunctioning. An auxiliary
bulb is being used.Contact an authorized Mercedes-Benz Center as soon as
possible.
359 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.
iIf the headlamps are fogged up on the inside
as a result of high humidity, driving the vehicle a
distance should clear up the fogging.
iSubstitute bulbs will be brought into use
when lamps malfunction. Observe the messages
in the multifunction display (
page 341).
iIf one of the following bulbs blows, another
bulb will adopt its function:
Rear turn signals
Brake lamps
Side lamps
Tail lamps
360 Practical hints
Replacing bulbs
Front lampsRear lamps
LampType
1Additional turn signalLEDs
2Turn signalPY 21 W
3Side marker lampWY 5 W
4Parking lampW5W
5Low and high beam
lampD2S, 35 W
6High beam flasherH7, 55 W
7Front fog lampH3, 55 W
LampType
8Brake/parking lampLEDs
9Turn signal lampLEDs
aSide marker lampP21W
bHigh mounted brake
lampLEDs
cLicense plate lampC5W
dRear fog lampP21W
eBackup lampP21W
fReflector-
420 Index
Low tire pressure telltale 29, 311
Messages in the multifunction
display 324, 346
Ply composition and material
used 283, 286
Problems under-/overinflation 273
Retreads 258
Rims and tires 381
Rotation 287
Service life 260
Size designation 274
Sizes 382
Snow chains 291
Speed rating 241, 274, 276, 286
Storing 261
Temperature 268, 283
Terminology 284
TIN 279
TIREFIT kit 362
Traction 241, 282
Tread depth 260, 290
Treadwear indicators 260
Vehicle maximum load on 286
Wear pattern 287
Winter* 290Top tether, see Children in the vehicle
Total load limit 286
Tow-away alarm 94
Towing 370
Transmission damage 372
Towing eye bolt 353
Installing/reinstalling 372
Traction 85, 175, 241, 286
Transmission gear selector lever see Gear
selector lever
Transmission see Automatic transmission
Transporting the vehicle 372
Traveling abroad 243
Tread 286
Tread depth 260, 290
Treadwear indicators 286
Trip computer 139
Trip odometer 115, 117Trunk
Closing 103
Emergency release 104
Lamp 113
Lock 102
Message in the multifunction
display 352
Opening 101, 102
Opening in an emergency 355
Parcel net 207
Trunk lid rack 230
Turn signals 51
Additional in mirrors 360
Indicator lamps 29
Messages in the multifunction
display 342
Replacing bulbs 359
Turning off the engine 56
