Page 345 of 457
344 Practical hints
What to do if …
Symbol messages
Display symbolDisplay messagePossible cause/consequencePossible solution
#The battery is no longer charging.
Possible causes:
alternator malfunctioning
broken poly-V-belt
Stop the vehicle in a safe location or as soon
as it is safe to do so.
Apply the parking brake (page 62).
Turn off the engine.
Check the poly-V-belt.
If it is broken:
Do not continue to drive.
Otherwise, the engine will overheat due to an
inoperative water pump which may result in
damage to the engine.
Contact an authorized Mercedes-Benz Light
Truck Center.
If it is in order:
Contact an authorized Mercedes-Benz Light
Truck Center immediately.
Page 349 of 457
348 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
•Coolant
Stop, turn
engine offThe coolant is too hot.
Among other possible causes, the
poly-V-belt could be broken.Stop the vehicle in a safe location or as soon
as it is safe to do so.
Apply the parking brake (page 62).
Turn off the engine.
Check the poly-V-belt.
If it is broken:
Do not continue to drive.
Otherwise, the engine will overheat due to an
inoperative water pump which may result in
damage to the engine.
Contact an authorized Mercedes-Benz Light
Truck Center.
If it is in order:
Wait for the message to disappear before
restarting the engine.
Doing otherwise could result in serious engine
damage that is not covered by the
Mercedes-Benz Limited Warranty.
(Continued on next page)
Page 410 of 457
409
Technical data
Parts service
Warranty coverage
Identification labels
Layout of poly-V-belt drive
Engine
Rims and tires
Electrical system
Main dimensions, vehicle weights
and ratings
Fuels, coolants, lubricants, etc.
Page 415 of 457
414 Technical data
Layout of poly-V-belt drive
For dimensions of the poly-V-belt, see
technical data (
page 415).
G500
1Automatic belt tensioner
2Power steering pump
3Air conditioning compressor
4Crankshaft
5Coolant pump
6Generator (alternator)
7Idler pulleyG55AMG
The G 55 AMG has two poly-V-belts
(belt one shown in purple/belt two shown
in black).
1Idler pulley
2Automatic belt tensioner
3Power steering pump
4Air conditioning compressor
5Crankshaft
6Coolant pump
7Generator (alternator)
8Idler pulley
9Automatic belt tensioner
aSupercharger
Page 416 of 457

415 Technical data
Engine
Engine
ModelG 500 (463.249)1
1The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Light Truck Center for the corresponding data of all special bodies and special
equipment.
G 55 AMG (463.271)1
Engine113113
Mode of operation4-stroke engine, gasoline injection4-stroke engine, gasoline injection
No. of cylinders88
Bore3.82 in (97.00 mm)3.82 in (97.00 mm)
Stroke3.31 in (84.00 mm)3.60 in (92.00 mm)
Total piston displacement303.0 cu in (4 966 cm3)331.8 cu in (5 439 cm3)
Compression ratio10:19:1
Output acc. to SAE J 1349292 hp/5 500 rpm2
(218 kW/5 500 rpm)
2Premium fuel required. Performance may vary with fuel octane rating.
493 hp/6 100 rpm2
(368 kW/6 100 rpm)
Maximum torque acc. to SAE J 1349336 lb-ft/2 800 - 4 000 rpm
(456 Nm/2 800 - 4 000 rpm)516 lb-ft/2 650 - 4 000 rpm
(700 Nm/2 650 - 4 000 rpm)
Maximum engine speed6300 rpm6 500 rpm
Firing order1-5-4-2-6-3-7-81-5-4-2-6-3-7-8
Poly-V-belt2380 mmBelt one: 1 289 mm
Belt two: 2 449 mm
Page 435 of 457

434 Index
Cargo tie-down rings 209
Carpets, Cleaning 321
Catalytic converter 262
CD changer 368
CD player
Operating 143
Center console 30
Front passenger front air bag off
indicator lamp 337
Lower part 31
Upper part 30
Central locking
From inside 107
Switch 107
Switching on/off (control
system) 155
Unlocking from inside 107
Central unlocking
Switch 107
Certification label 412
Charging
Vehicle battery 398
Checking
Coolant level 266, 274
Oil level 266, 269Checking tire pressure electronically with
the Advanced Tire Pressure Monitoring
System (Advanced TPMS) 289
Checklist
Off-road driving 254
Child safety 78
Infant and child restraint systems 68,
79
LATCH child seat anchors 83
Child safety switch see Blocking of rear
door window operation
Cigarette lighter 222
Cleaning
Gear selector lever 321
Headlamps 177
Headliner 321
Leather upholstery 322
Light alloy wheels 320
Rear Parking Assist sensors 318,
319
Seat belts 321
Steering wheel 321Upholstery 322
Windows 319
Windshield 59
Wiper blades 319
Wood trims 322
Cleaning tires 279
Climate control 182
Adjusting air distribution 186
Adjusting air volume 186
Air conditioning 189
Air recirculation mode 188
Defogging windshield 188
Defrosting 187
Rear window defroster 181
Residual heat utilization (REST) 190
Setting the temperature 185
Windshield defroster 180
Clock 27
Closing
Glove box 215
Hood 269
Tailgate 106
Tilt/sliding sunroof 196, 374
Windows 192
Closing tilt/sliding sunroof
In an emergency 374
Page 439 of 457

438 Index
F
Fastening the seat belts 48
Fine adjustment
Cruise control 199
First aid kit 366
Flat tire 390
Lifting the vehicle 391
Lowering the vehicle 394
Mounting the spare wheel 391
Spare wheel 368
Floormats 224
Fog lamp, rear 121, 378
Fog lamps
Corner-illuminating front fog
lamps 122
Fog lamps, front 121
4-ETS 88, 91
Front air bags 73
Front axle differential lock
Switching on 176
Front fog lamps
Messages in display 355
Replacing bulbs 378, 382
Front lamps
Replacing bulbs 378, 380
Switching on 117Front passenger front air bag off indicator
lamp 81, 337
Front seat head restraints
Installing 109
Removing 108
Front towing eye 404
Front turn signal lamp
Replacing bulbs 383
Fuel 265
Additives 427
Gasoline additives 427
Message in display 365
Premium unleaded gasoline 265,
424, 426
Refueling 264
Requirements 426
Reserve warning 27
Technical data 422
Fuel additives 427
Fuel consumption statistics
Since last reset 158
Since start 157
Fuel filler cap
Message in display 353Fuel filler flap 264
Locking 264
Opening 372
Unlocking 264
Fuel requirements 426
Fuel reserve tank
Message in display 353
Fuel reserve warning lamp 331
Fuel tank
Capacity 424
Filler flap 264
Fuels, coolants, lubricants, etc.
Capacities 422
Functions (control system) 135, 137,
139
Fuse box 406, 407, 408
Fuses 405
Fuse box in battery box 408
Fuse box in front passenger
footwell 406
Fuse box in middle tunnel 407
Main fuse box in passenger
compartment 406
Page 440 of 457

439 Index
G
Garage door opener 32, 236
Gasoline see Fuel
Gasoline additives 427
GAWR 305
Gear range
Automatic transmission 167
Shifting into optimal 169
Transfer case 170
Gear range limit
Canceling 169
Gear selector lever 27, 162, 373
Cleaning 321
Lock 54
Position 164
Position (automatic
transmission) 27, 163
Unlocking manually 373
Global
Locking 102
Unlocking 102
Glove box 25, 215
Closing 215
Locking and unlocking
separately 216
Opening 215Good visibility 177
Gross Axle Weight Rating see GAWR
Gross Trailer Weight see GTW
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GTW 305
GVW 305
GVWR 305
H
Hard plastic trim items, cleaning 321
Hazard warning flasher 124
Switching off 124
Switching on 124
Head restraints 108
Power seats 43
Headlamp cleaning system 275
Headlamps
Automatic control 118
Cleaning 318
Cleaning system 177, 275
Switching off 64
Switching on 56
Washer fluid 430
Washer system 430
Headlight switch-off delay see Delayed
switch-off, exterior lampsHeadliner
Cleaning 321
Heated seats 112
Heated steering wheel 225
Height adjustment
Head restraints 43
Seat belt outlet 52
Steering wheel 44
High beam flasher 57, 122
High beam headlamps
Messages in display 355
Replacing bulbs 378
Switching on 122
High mounted brake lamp 378
Message in display 354
Hood 267
Closing 269
Message in display 353
Opening 267
Hydroplaning 249
I
Identification labels 412
Certification label 412
Ignition
Switching on 54
Ignition (Position in starter switch) 39