Page 372 of 416
372 Technical dataElectrical system
G 500
G55AMG
Generator (alternator)
14 V/150 A
14 V/180 A
Starter motor
12 V/1.7 kW
12 V/1.7 kW
Battery
12 V/90 Ah
12 V/90 Ah
Spark plugs
Bosch F 8 DPER
Beru 14 FGH 8 DPUR X 2
NGK ILFR6A
Electrode gap
0.039 in (1.0 mm)
0.039 in (1.0 mm)
Tightening torque
15 – 22 lb-ft (20 – 30 Nm)
15 – 22 lb-ft (20 – 30 Nm)
Page 385 of 416

385 Technical terms
Rim
(
page 273)
RON
(Research O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line’s ability to resist undesired detona-
tion (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Shift lock
When the vehicle is parked, this lock
prevents the transmission gear selec-
tor lever from being moved out of
positionP without key turned and
brake pedal depressed.
Sidewall
(
page 273)SRS
(S
upplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and airbags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.
Tele Aid System
(T
elematic A
larm I
dentification on
D
emand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.Telematics*
A combination of the terms “telecom-
munications” and “informatics”.
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
TIN
(T
ire I
dentification N
umber)
(
page 273)
Tire load rating
(page 262)
Tire ply composition and material used
(page 273)
Tire speed rating
(page 273)
Traction
(page 273)
Page 388 of 416

388 IndexAlarm system
Anti-theft 88
Anticorrosion/antifreeze 379
Antilock brake system (ABS) 381
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 191
Storage compartment in front of 191
Ashtrays 194
Aspect ratio 271
At the gas station 235
ATF (automatic transmission fluid) 244
AUDIO menu 128
Selecting radio station 129
Auto-dimming for rear view mirror 160
Automatic central locking
Activating/deactivating (control
system) 141Automatic climate control
Deactivating 170
Automatic headlamp mode 111
Automatic locking when driving 98
Automatic transmission 148
Accelerator position 153
Emergency operation (Limp Home
Mode) 153
Fluid level 244
Gear ranges 150
Gear selector lever position 148, 151
Gear shifting malfunctions 153
Kickdown 153
Manual shifting 149
One-touch gearshifting 149
Transmission fluid 244B
BabySmart
TM
Airbag deactivation system 74, 381
Compatible child seats 74, 381
Self-test 75
Backup lamps 334
Bulbs 334
Replacing bulbs 342
Bar 271
BAS 80, 82, 381
Messages in display 298
Batteries
SmartKey (replacing) 331
Batteries, SmartKey
Check lamp 95
Checking 95
Battery box
Fuse box in 360
Battery discharged
Jump starting 354
Battery, vehicle 247, 351
Charging 351
Disconnecting 352
Messages in display 302, 303
Reconnecting 353
Page 390 of 416

390 IndexCentigrade
Setting temperature units 135
Central locking
From inside 99
Switch 99
Switching on/off (control
system) 141
Unlocking from inside 99
Certification label 366
Changing
Key setting 142
Charging
Vehicle battery 351
Checking
Coolant level 237, 244
Oil level 237, 239
Checklist
Off-road driving 225
Child safety 72
Infant and child restraint systems 62,
68, 72
LATCH child seat anchors 77
Child safety switch see Blocking of rear
door window operation
Cigarette lighter 195Cleaning
Cup holders 284
Gear selector lever 284
Hard plastic trim items 284
Headlamps 162
Headliner 284
Illuminated door sill panels 285
Instrument cluster 284
Leather upholstery 285
Light alloy wheels 284
MB Tex upholstery 285
Plastic and rubber parts 285
Rear Parking Assist sensors* 283
Seat belts 284
Steering wheel 284
Windows 283
Windshield 54
Wiper blades 283
Wood trims 285
Cleaning tires 250
Climate control 164
Adjusting 167
Defogging windshield 167
Defrosting 168
Rear window defroster 163
Setting the temperature 166Clock 25
Closing
Glove box 190
Hood 239
Side windows 171
Tailgate 98
Tilt/sliding sunroof 173, 328
Tilt/sliding sunroof with
SmartKey 175
Windows 171
Windows with SmartKey 172
Closing tilt/sliding sunroof
In an emergency 328
Cockpit 22, 381
Cockpit management and data system
(COMAND) 382
Cold tire inflation pressure 271
COMAND 382
COMAND see separate operating
instructions
Combination switch 23, 114
High beam flasher 52, 114
High beam headlamps 114
Turn signals 52
Windshield wipers 53
Page 392 of 416

392 IndexD
Data recording (vehicle) 20
Daytime running lamp mode 112
Setting 137, 138
Deactivating
Air conditioning (cooling) 170
Air recirculation mode 168
Alarm 89
Anti-theft alarm system 89
Central locking (control system) 141
Cruise control 177
Defrost 168
ESP 86
Exterior lamps 111
Exterior lamps delayed shut-off 139
Headlamps 58
Immobilizer 88
Interior lighting delayed shut-off 140
Rear window defroster 163
Tow-away alarm 90
Deep water see Standing water
Defogging
Windshield 167
Defrosting 168Delayed shut-off
Exterior lamps 139
Interior lighting 140
Department of Transportation see DOT
Dialing
A number (telephone) 147
Differential locks 156, 382
Switching off 159
Switching on 158
Difficulties
While driving see Problems while
driving
With starting 49
Digital speedometer 128
Direction of rotation (tires) 251
Discharged battery
Jump starting 354
Disconnecting
Vehicle battery 352
Display
Selecting 137
Displays
Digital speedometer 128
Maintenance service indicator 277Messages 241, 296
Selecting 137
Showing vehicle status
messages 131
Distance to empty (range)
Calling up 144
Door control panel 31
Door handle 31
Door sill panels
Cleaning 285
Door unlock
With Tele Aid 205
Doors
Messages in display 308
Opening from the inside 96
Opening from the outside 94
DOT 271
Downhill driving
Cruise control 177
Downshifting 149
Drink holders see Cup holders
Drinking and driving 216
Page 395 of 416

395 Index
Fuel additives 377
Fuel consumption statistics
After start 144
Since last reset 144
Fuel filler flap 235
Locking 235
Opening 326
Unlocking 235
Fuel requirements 377
Fuel reserve tank
Message in display 311
Fuel tank
Capacity 374
Filler flap 235
Fuels, coolants, lubricants, etc.
Capacities 374
Functions (control system) 125, 127
Resetting 133
Fuse box 360, 361, 362
Fuses 360
Fuse box in battery box 360
Fuse box in front passenger
footwell 361
Fuse box in middle tunnel 362
Fuse box in passenger
compartment 360G
Garage door opener 30, 206
Gasoline see Fuel
Gasoline additives 377
GAWR 271
Gear range 383
Automatic transmission 150
Limiting 150
Shifting into optimal 150
Transfer case 154
Gear range limit
Canceling 150
Gear selector lever
Cleaning 284
Position 151
Position (automatic
transmission) 148
Global
Locking 94
Unlocking 94
Global Positioning System (GPS) 383
Glove box 23, 190
Closing 190
Opening 190Good visibility 160
GPS 383
Gross Axle Weight Rating see GAWR
Gross Trailer Weight see GTW
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GTW 271
GVW 272
GVWR 272
Page 397 of 416
397 Index
Instrument cluster 24, 120, 383
Cleaning 284
Coolant temperature display 120
Illumination 120
Lamps in 294
Multifunction display 123
Outside temperature indicator 122
Selecting language 136
Instrument lighting 120
Instruments and controls see Cockpit
Interior lighting 116
Delayed shut-off 140
Manual operation 117
Interior rear view mirror
Adjusting 41
Intermittent wiping 54
Interval wiping 55
Switching off 55
Switching on 55J
Jack 322
Jump starting 354K
Key, mechanical 325
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 143
Keys 92
Kickdown 153, 383
Kilometers/miles in speedometer 136
Kilopascal 272
Km/h or mph in speedometer 136
Page 398 of 416

398 IndexL
Labels, identification 366
Lamp bulbs, exterior 333
Lamps, exterior
Front 334
Light sensor 314
Messages in display 312, 314
Rear 334
Replacing bulbs for rear 341
Lamps, indicator and warning
ABS 288, 289
Battery (SmartKey) 94
Brakes 290, 291
CHECK ENGINE 292
Engine diagnostics 292
ESP 293
Fuel reserve 294
Instrument cluster 294
Maintenance service indicator 277
Seat belts 294
SRS 63
Turn signals 25
Language
Multifunction display 136
Setting 136LATCH child seat anchors 77
Layout of poly-V-belt drive 367
Leather upholstery
Cleaning 285
License plate lamps
Messages in display 314
Replacing bulbs 334, 342
Light alloy wheels
Cleaning 284
Technical data 370, 371
Light sensor 314
Lighter see Cigarette lighter
Lighting 110
Automatic headlamp mode 111
Combination switch 114
Daytime running lamp mode 112
Exterior lamp switch 110
Front fog lamps 113
High beam flasher 114
High beams 114
Instrument cluster illumination 120
Interior 116
Locator lighting 113
Low beams 110
Manual headlamp mode 111Night security illumination 113
Parking lamps 110
Rear fog lamp 114
Settings (control system) 137
Limiting the gear range 150
Limp Home Mode 153
Line of fall 383
Loading 182
Cargo compartment cover 182
Cargo tie-down rings 189
Instructions 187
Partition net* 185
Roof rack 182
Split rear bench seat 183
Loading terminology 271
Loading the vehicle 251
Locator lighting 113
Setting 138
Lock button 383
Locking 57, 92
Fuel filler flap 235
Global, SmartKey 94
Vehicle in an emergency 326
Loss of keys 96