Page 267 of 360
267 Practical hints
What to do if …
G 
VISIT WORKSHOP!
DISPLAY FAULTY
The instrument cluster display is 
malfunctioning.
Some systems themselves may also 
have failed.
Continue driving with added 
caution.
Visit an authorized Mer-
cedes-Benz Light Truck Center 
as soon as possible.
2
± 
VISIT WORKSHOP!
DISPLAY FAULTY
Certain electronic systems are un-
able to relay information to the con-
trol system. The following systems 
may have failed:
Coolant temperature display
Tachometer
Cruise control display
Have the electronic systems 
checked by an authorized 
Mercedes-Benz Light Truck 
Center.
2
W 
WASHER FLUID
CHECK LEVEL!
The fluid level has dropped to about 1/3 of total reservoir capacity.
Add washer fluid 
(page 321).
3
Display
Possible cause
Suggested solution
Category 
     
        
        Page 316 of 360

316 Technical dataFuels, coolants, lubricants etc.
Fuels, coolants, lubricants etc.Capacities
Vehicle components and their respective 
lubricants must match.Therefore use only brands tested and rec-
ommended by Mercedes-Benz.Please refer to the Factory Approved Ser-
vice Products pamphlet, or inquire at your 
Mercedes-Benz Light Truck Center.
Model
Capacity
Fuels, coolants, lubricants etc.
Engine with oil filter
G500
G55AMG
8.5 US qt (8.0 l)
8.0 US qt (7.5 l)
Recommended engine oils
Automatic transmission
9.0 US qt (8.5 l)
MB Automatic Transmission Fluid
1
1MB part no. 001 989 21 03 10Transfer case
2.96 US qt (2.8 l)
MB part no. A 001 989 28 03 10
Differential lock mechanism
0.47 - 0.63 US qt
(0.45 - 0.6 l)
Brake fluid DOT 3+4, SAE J1703
Front axle
1.5 US qt (1.4 l)
Hypoid gear oil SAE 90, 85 W 90
Rear axle
1.9 US qt (1.8 l)
Hypoid gear oil SAE 90, 85 W 90
Power steering
approx. 1.06 US qt (1.0 l)
MB Power Steering Fluid, or
approved Dextron III ATF
Front wheel hubs
approx. 1.5 oz (43 g) each
High temperature roller bearing grease
Brake system
approx. 0.53 US qt (0.5 l)
MB Brake Fluid (DOT 4+) 
Fuel tank
including a reserve of
25.4 US gal (96.0 l)
5.3 US gal (20.0 l)
Premium unleaded gasoline:
Posted Octane 91 
(average of 96 RON / 86 MON) 
     
        
        Page 317 of 360

317 Technical data
Fuels, coolants, lubricants etc.
Engine oils
Engine oils are specifically tested for their 
suitability in our engines. Therefore, use 
only engine oils recommended by 
Mercedes-Benz. Information on recom-
mended brands is available in the Factory 
Approved Service Products pamphlet, or at 
your authorized Mercedes-Benz Light 
Truck Center.
Please follow FSS and Service Booklet rec-
ommendations for scheduled oil changes. 
F ai lu re to d o s o could  res ul t in engi ne da m -
age not covered by the Mercedes-Benz 
Limited Warranty.
Engine oil additives
Do not blend oil additives with engine oil. 
They may be harmful to the engine opera-
tion.
Damage or malfunctions resulting from 
blending oil additives are not covered by 
the Mercedes-Benz Limited Warranty.
Air conditioning refrigerant
R-134a (HFC) refrigerant and special PAG 
lubricating oil is used in the air condition-
ing system.
Never use R-12 (CFC) or mineral-based lu-
bricating oil, otherwise damage to the 
system will occur.
Model
Capacity
Fuels, coolants, lubricants etc.
Cooling system
approx. 12.7 US qt (12.0 l)
MB Anticorrosion/Antifreeze
Air conditioning system
R-134a refrigerant and
special PAG lubricant oil (never R-12)
Windshield/rear window washer system
and headlamp cleaning system
approx. 7.9 US qt (7.5 l)
MB Windshield Washer Concentrate 
and water
1
1Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing or MB Windshield Washer Concentrate “S” and commercially available pre-
mixed windshield washer solvent / antifreeze for temperatures below freezing. Follow suggested mixing ratios (
page 321). 
     
        
        Page 338 of 360

338 IndexFuel 215
Additives 319
Fuel reserve warning lamp 243, 244
Gasoline additives 319
Premium unleaded gasoline 215, 316, 
318
Requirements 318
Reserve warning 25
Technical data 316
Fuel additives 319
Fuel consumption statistics
After start 130
Since last reset 131
Fuel filler flap 214
Locking 214
Opening 274
Unlocking 214
Fuel requirements 318
Fuel reserve tank
Message in display 263
Fuel tank
Capacity 316
Filler flap 214
Fuels, coolants, lubricants etc.
Capacities 316Functions (control system) 112, 115
Resetting 120
Fuse box 303, 304, 305
Fuses 303
Fuse box in battery box 303
Fuse box in front passenger footwell 
304
Fuse box in middle tunnel 305
Fuse box in passenger 
compartment 303
G
Garage door opener 29, 191
Gasoline see Fuel 215
Gasoline additives 319
Gear range 326
Automatic transmission 137
Limiting 137
Shifting into optimal 137
Transfer case 141
Gear range limit
Canceling 137
Gear selector lever
Cleaning 235
Position 138Global
Locking 85
Unlocking 85
Global Positioning System (GPS) 326
Glossary 325
Glove box 23, 176
Closing 176
Opening 176
Good visibility 147
GPS 326
GPS see COMAND 189
H
Hard plastic trim items
Cleaning 236
Hazard warning flasher 103
Switching off 104
Switching on 104
Head restraints 92
Power seats 36
Synchronizing 93
Headlamp cleaning system 222
Headlamp switch-off delay see Delayed 
switch-off, exterior lamps