Page 343 of 417
342 Practical hints
Replacing bulbs
Front turn signal lamp
1Securing screw
2Turn signal lens
Loosen and remove securing 
screws1.
Remove turn signal lens2.3Bulb
Press bulb3 gently into the socket, 
turn counterclockwise and remove it.
Press new bulb3 gently into the sock-
et and turn clockwise until it engages.
Reinstall turn signal lens2.
Install and tighten securing screws1.Side marker lamp
The following description applies to both, 
the front and the rear side marker lamps.
Front side marker shown
1Securing screw
2Side marker lamp housing
Loosen and remove securing 
screws1.
Remove side marker lamp housing2.
i
G55AMG:
Remove the protective grille before 
replacing bulbs.
i
Do not overtighten securing screws1. 
Otherwise turn signal lens2 could be 
damaged. 
     
        
        Page 344 of 417
343 Practical hints
Replacing bulbs
3Dust cover
4Bulb
Remove dust cover3.
Press catch aside and pull out the bulb 
socket with the bulb from side marker 
lamp housing2.
Press gently onto bulb4 and turn 
counterclockwise out of its bulb 
socket.
Press new bulb4 gently into the bulb 
socket and turn clockwise until it 
engages.
Insert the bulb socket back into side 
marker lamp housing2.
Reinstall dust cover3.
Reinstall side marker lamp housing2.
Install and tighten securing screws1.
Replacing bulbs for rear lamps
Before you start to replace a bulb for a rear 
lamp, do the following first:
Turn the exterior lamp switch to 
positionM (
page 110).
Tail lamp unit
i
Do not overtighten securing screws1. 
Otherwise side marker lamp 
housing2 could be damaged.
i
G55AMG:
Remove the protective grille before 
replacing bulbs. 
     
        
        Page 345 of 417
344 Practical hints
Replacing bulbs
1Securing screw
2Tail lamp lens
3Turn signal lamp bulb
4Tail lamp bulb
5Brake lamp bulb
Loosen and remove securing 
screws1.
Remove tail lamp lens2.
Press gently onto respective bulb3, 
4, or5 and turn counterclockwise 
out of its bulb socket.
Press the new bulb gently into its bulb 
socket and turn clockwise until it 
engages.
Reinstall tail lamp lens2.
Install and tighten securing screws1.Rear fog lamp/Backup lamp
1Securing screw
2Lamp lens
3Bulb
i
Do not overtighten securing screws1. 
Otherwise tail lamp lens2 could be 
damaged. 
     
        
        Page 346 of 417
345 Practical hints
Replacing bulbs
Loosen and remove securing 
screws1.
Remove lamp lens2.
Press gently onto bulb3 and turn 
counterclockwise out of its bulb 
socket.
Press new bulb3 gently into the bulb 
socket and turn clockwise until it 
engages.
Reinstall lamp lens2.
Install and tighten securing screws1.License plate lamp
1Securing screw
2License plate lamp lens (with bulb 
socket)
3Tubular bulb
Loosen and remove securing 
screws1.
Remove license plate lamp lens2.
Replace tubular bulb3.
Reinstall license plate lamp lens2.
Install and tighten securing screws1.
i
Do not overtighten securing screws1. 
Otherwise lamp lens2 could be dam-
aged.
i
Do not overtighten securing screws1. 
Otherwise license plate lamp lens2 
could be damaged. 
     
        
        Page 391 of 417

390 Index
Alarm
Audible 79, 88
Canceling 89, 90
Visual 88
Alarm system
Anti-theft 88
Anticorrosion/antifreeze 381
Antilock brake system (ABS) 383
Anti-theft alarm system
Arming 88
Canceling alarm 89
Disarming 89
Anti-theft systems 88
Anti-theft alarm system 88
Tow-away alarm 89
Aquaplaning see Hydroplaning
Armrest
Storage compartment below 195
Storage compartment in front of 195
Ashtrays 198
Aspect ratio 273
At the gas station 239
ATF (automatic transmission fluid) 248AUDIO menu 128
Selecting radio station 129
Auto-dimming for rear view mirror 163
Automatic central locking
Activating/deactivating (control 
system) 142
Automatic climate control
Deactivating 174
Automatic headlamp mode 111
Automatic locking when driving 98
Automatic transmission 149
Accelerator position 153
Emergency operation (Limp Home 
Mode) 156
Fluid level 248
Gear ranges 154
Gear selector lever position 149, 151
Gear shifting malfunctions 156
Kickdown 153
Manual shifting 155
One-touch gearshifting 155
Transmission fluid 248B
BabySmartTM
Airbag deactivation system 74, 383
Compatible child seats 74, 383
Self-test 75
Backup lamps 336
Bulbs 336
Replacing bulbs 344
Bar 273
BAS 80, 82, 383
Messages in display 300
Batteries
SmartKey (replacing) 333
Batteries, SmartKey
Check lamp 95
Checking 95
Battery box
Fuse box in 362
Battery discharged
Jump starting 356 
     
        
        Page 392 of 417

391 Index
Battery, vehicle 251, 353
Charging 353
Disconnecting 354
Messages in display 304, 305
Reconnecting 355
Bead 273
Block heater (Canada only) 279
Blocking rear door window operation 78
B-pillar 368
Brake assist system (BAS) 383
Brake fluid 241, 378
Brake lamp bulbs, left and right 336
Brake lamp, high mounted 336
Brake pads
Message in display 305
Brakes 221
Warning lamp 292, 293
Break-in period 218
Brush guard* 331
Lowering 332
Raising and securing 332Bulbs, replacing
Additional turn signals 336
Backup lamps 336, 344
Brake lamps 336, 344
Front fog lamps 336, 340
Front lamps 335, 336
Front turn signal lamps 336, 342
High and low beam 338
High beam lamps 336
High mounted brake lamp 336
License plate lamps 336, 345
Low beam lamps 336
Parking lamps 336, 338
Rear fog lamp 336, 344
Rear turn signal lamps 336
Side marker lamps 336, 342
Standing lamps 336, 338
Tail lamp assemblies 336
Tail lamp unit 343C
CAC (Customer Assistance Center) 383
Call priority
Tele Aid 208
Calling up
Maintenance service indicator 281
Range (distance to empty) 146
CAN system 383
Capacities
Fuels, coolants, lubricants, etc. 376
Cargo area see Cargo compartment
Cargo compartment
Tailgate 97, 98
Tie-down rings 193
Cargo compartment cover 187
Installing 187
Removing 187
Cargo tie-down rings 193
Catalytic converter 236
CD changer 324
CD player
Operating 130 
     
        
        Page 397 of 417

396 Index
Engine oil level see Oil level
Enlarged cargo compartment 188
ESP 25, 80, 84, 384
Messages in display 302
Switching off 86
Switching on 87
Synchronizing 302
Warning lamp 295
ETD 62, 71, 384
Safety guidelines 66
Exterior lamp switch 110
Exterior lamps
Delayed shut-off 140
Exterior rear view mirrors
Adjusting 41
Parking position for 144
F
Fahrenheit
Setting temperature units 136
Fastening the seat belts 43
Fine adjustment
Cruise control 183
First aid kit 323Flat tire 348
Lowering the vehicle 352
Mounting the spare wheel 349
Spare wheel 325
Flexible Service System (FSS, Canada 
vehicles) 384
Fog lamp, rear 114, 336
Fog lamps, front 113
Messages in display 315
4-ETS 80, 83
Front airbags 67
Front axle differential lock
Switching on 162
Front fog lamps
Replacing bulbs 336, 340
Front lamps
Messages in display 314, 316
Replacing bulbs 336, 338
Switching on 110
Front seat head restraints
Installing 102
Removing 101
Front towing eye 361
Front turn signal lamp
Replacing bulbs 342FSS (Flexible Service System, Canada 
vehicles) 384
Fuel 240
Additives 379
Fuel reserve warning lamp 296
Gasoline additives 379
Premium unleaded gasoline 240, 
376, 378
Refueling 239
Requirements 379
Reserve warning 25
Technical data 376
Fuel additives 379
Fuel consumption statistics
After start 145
Since last reset 145
Fuel filler flap 239
Locking 239
Opening 328
Unlocking 239
Fuel requirements 379
Fuel reserve tank
Message in display 313
Fuel tank
Capacity 376
Filler flap 239 
     
        
        Page 399 of 417

398 Index
High beam flasher 52, 114
High beam headlamps
Messages in display 315
Replacing bulbs 336, 338
Switching on 114
High mounted brake lamp 336
Hood 242
Closing 243
Messages in display 313
Opening 242
Hydroplaning 224
I
Identification labels 368
Certification label 368
Vehicle identification number 
(VIN) 368
Ignition
Switching on 49
Ignition (Position in starter switch) 35
Immobilizer 88
Activating 88
Deactivating 88
Infant and child restraint systems 72
Installing 76
LATCH child seat anchors 77Information
Button for Tele Aid 207
Inside rear view mirror
Auto-dimming 163
Installing
Cargo compartment cover 187
Infant and child restraint systems 76
Wiper blades 347
Instructions
Loading 192
Instrument cluster 24, 120, 385
Cleaning 287
Coolant temperature display 120
Illumination 120
Lamps in 296
Multifunction display 123
Outside temperature indicator 122
Selecting language 137
Instrument lighting 120
Instruments and controls see Cockpit
Interior lighting 116
Delayed shut-off 141
Manual operation 117
Interior rear view mirror
Adjusting 41
Intermittent wiping 54Interval wiping 55
Switching off 55
Switching on 55
J
Jack 324
Jump starting 356
K
Key, mechanical 327
Key, SmartKey
Battery check lamp 94
Checking the batteries 95
Factory setting 94
Global locking 94
Global unlocking 94
Loss of 96
Positions in starter switch 35
Remote controls 92
Restoring to factory setting 95
Selective setting 94
Starting the engine 49
Unlocking with 34
Key-dependency memory
Settings 144
Keys 92
Kickdown 385