Page 372 of 464
372 Practical hintsReplacing bulbs
Replacing bulbsSafe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp as-
semblies 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 your autho-
rized Mercedes-Benz Center for headlamp
adjustment.
Bulbs
iIf the headlamps are fogged up on the
inside as a result of high humidity, driv-
ing the vehicle a distance should clear
up the fogging.
iBackup bulbs will be brought into use
when the following lamps malfunction:
Turn signal lamps
Brake lamps
Parking lamps
Tail lamps
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Page 374 of 464
374 Practical hintsReplacing bulbs
Only use 12 volt bulbs of the same type
and with the specified watt rating.
Switch lights off before changing a bulb
to prevent short circuits.
Always use a clean lint-free cloth when
handling bulbs.
Your hands should be dry and free of oil
and grease.
If the newly installed bulb does not
come on, visit an authorized
Mercedes-Benz Center.
Have the LEDs and bulbs for the follow-
ing lamps replaced by an authorized
Mercedes-Benz Center.
Additional turn signal lamps in the
exterior rear view mirrors
High mounted brake lamp
Bi-Xenon* lamps
Front fog lamps
Replacing bulbs for front lamps
Front lamps halogen-type
1Housing cover for low beam lamp
2Housing cover for high beam lamp3Bulb socket for turn signal lamp
4Low beam bulb
5High beam bulb
6Parking and standing lamp
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Page 378 of 464
378 Practical hintsReplacing bulbsReplacing bulbs for rear lamps
Tail lamp assemblies
1Brake lamp
2Turn signal lamp
3Backup lamp
4Standing and side marker lamp
5Rear fog lamp (driver’s side)/tail
Switch off the lights.
Open trunk.
Swing the trim panel covering the cor-
responding rear lights to the side.
Squeeze tabs together and remove the
bulb holder with the bulb.
Twist bulb counterclockwise and pull
out of bulb holder.
Insert new bulb into the holder and turn
it clockwise.
Reinstall bulb holder. The tabs must au-
dibly click.
Close trim panel.
Place the housing cover back on so
that its tabs click in place. License plate lamp
1Screws
Switch off the lights.
Loosen both screws1 and remove
lamp.
Replace the tubular lamp and reinstall
lamp.
Retighten the screws.
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Page 440 of 464

440 Index
Service indicator 302
SRS 59, 318
Turn signals 23
Language
Multifunction display 143
Setting 143
LATCH child seat anchors 73
Folding back 73
Layout of poly-V-belt drive 401
Leather upholstery
Cleaning 310
Lever
For cruise control 226, 233
License plate lamps
Messages in display 336
Replacing bulbs 373, 378
Light alloy wheels
Cleaning 309
Technical data 404
Light sensor 336
Lighter see Cigarette lighterLighting 119
Automatic headlamp mode 120
Combination switch 123
Daytime running lamp mode 121
Door entry lamps 125
Exterior lamp switch 119
Front fog lamps 122
High beam flasher 123
High beams 123
Instrument cluster illumination 126
Interior 124
Locator lighting 121
Low beam 119
Manual headlamp mode 120
Night security illumination 121
Parking lamps 119
Rear fog lamp 122
Settings (control system) 145
Limiting the gear range 159
Limp Home Mode 166
Line of fall 422Loading 245
Instructions 249
Ski sack* 245
Locator lighting 121
Setting 146
Lock button 422
Lock buttons 422
Door handle (KEYLESS-GO*) 56
Locking 52, 88
Fuel filler flap 284
Global with KEYLESS-GO* 94
Global, SmartKey 89
The vehicle with KEYLESS-GO* 95
Trunk lid, separately 106
Vehicle in an emergency 349
Loss of Service and
Warranty Information Booklet 399
Loss of SmartKey 91
Loss of SmartKeys
with KEYLESS-GO* 97
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Page 452 of 464

452 IndexSubmenus
Convenience 149
For settings 131
In control system 133
Instrument cluster 142, 144
Lighting 145
Resetting functions
in Control system 140
Selecting 140
Settings menu 140
Vehicle 148
Sun visors 170
Supplemental Restraint System
(SRS) 424
Switching off
Audio system 186
Automatic central locking
(control system) 149
Engine 54
ESP 80
Hazard warning flasher 124
Headlamps 54Switching on
Audio system 186
Automatic central locking
(control system) 149
ESP 81
Front fog lamps 122
Front lamps 119
Hazard warning flasher 123
Headlamps 47
High beams 123
Parking lamps 119
Rear fog lamp 122
Windshield wipers 48
Symbol (Distronic*)
Distance warning function* 137
Synchronizing
Power windows 214T
Tachometer 23, 127
Overspeed range 127
Overspeed range (CLK 55 AMG) 127
Tail lamps
Cleaning 307
Replacing bulbs 373, 378
Tar stains 305
Technical data 412
Brake fluid 412
Coolant 410
Coolants 414
Electrical system 407
Engine 402
Engine oil 412
Engine oil additives 412
Fuel requirements 413
Fuels 410
Gasoline additives 413
Lubricants 410
Main dimensions 408
Premium unleaded gasoline 413
Rims and tires 403
Weights 409
Windshield and headlamp
washer* system 411, 416
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