374 Technical dataFuels, coolants, lubricants, etc.Capacities
Vehicle components and their respective
lubricants must match.Therefore use only products tested and ap-
proved by Mercedes-Benz.Please refer to the Factory Approved Ser-
vice Products pamphlet, or inquire at an
Mercedes-Benz Light Truck Center.
Model
Capacity
Fuels, coolants, lubricants, etc.
Engine with oil filter
G 500
G55AMG
8.5 US qt (8.0 l)
9.0 US qt (8.5 l)
Approved engine oils
Automatic transmission
9.0 US qt (8.5 l)
MB Automatic Transmission Fluid
Transfer 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
G 500
G55AMG
1.5 US qt (1.4 l)
1.5 US qt (1.4 l)
Hypoid gear oil SAE 85W-90
Hypoid gear oil Castrol SAF-XJ
Rear axle
G 500
G55AMG
1.9 US qt (1.8 l)
1.9 US qt (1.8 l)
Hypoid gear oil SAE 85W-90
Hypoid gear oil Castrol SAF-XJ
Power steering
approx. 1.06 US qt (1.0 l)
MB Power Steering Fluid, or
approved Dexron III ATF
Front wheel hubs
approx. 1.5 oz (43 g) each
High temperature roller bearing grease
Fuel tank
including a reserve of
G 500
G55AMG
25.4 US gal (96.0 l)
23.8 US gal (90.0 l)
3.4 US gal (13.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91
(average of 96 RON / 86 MON)
375 Technical data
Fuels, coolants, lubricants, etc.
Engine oils
Engine oils are specifically tested for their
suitability in our engines and durability for
our service intervals. Therefore, only use
approved engine oils and oil filters re-
quired for vehicles with Maintenance
System (U.S. vehicles) or FSS (Canada
vehicles). For a listing of approved engine
oils and oil filters, refer to the Factory
Approved Service Products pamphlet, or
contact an authorized Mercedes-Benz
Light Truck Center.Using engine oils and oil filters of specifica-
tion other than those expressly required
for the Maintenance System (U.S. vehi-
cles) or FSS (Canada vehicles), or changing
of oil and oil filter at change intervals
longer than those called for by the
Maintenance System (U.S. vehicles) or
FSS (Canada vehicles) will result in engine
damage not covered by the
Mercedes-Benz Limited Warranty.Please follow Maintenance System (U.S.
vehicles) or FSS (Canada vehicles) recom-
mendations for scheduled oil changes.
Failure to do so will result in engine dam-
age not covered by the Mercedes-Benz
Limited Warranty.
Model
Capacity
Fuels, coolants, lubricants, etc.
Cooling system
G 500
G55AMG
approx. 12.7 US qt (12.0 l)
approx. 13.4 US qt (12.7 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 point or MB Windshield Washer Concentrate “S” and commercially available
premixed windshield washer solvent / antifreeze for temperatures below freezing point. Follow suggested mixing ratios (page 380).