2008 MERCEDES-BENZ GL450 technical data

556 Technical data
Rims and tires
Same size tires
ModelGL 320 CDI
GL 450GL 320 CDI*
GL 450*GL 320 CDI*
GL 450*
Rims (light alloy)8J x 18 H28.5 J x 19 H28.5 J x 20 H2
Wheel offset2.36 in (53 mm)2.20 in (56 mm)2.20 in (56 mm)
Summer tires1 --275/50 R20 109W
All-season tires1265/60 R18 110H M+S275/55 R19 111H M+S-
Rims (light alloy)8J x 18 H28.5 J x 19 H28.5 J x 19 H2
Wheel offset2.36 in (53 mm)2.20 in (56 mm)2.20 in (56 mm)
Winter tires1,2
1Radial-ply tires2Not available as factory equipment.
265/60 R18 110H M+S.265/55 R19 109H M+S .265/55 R19 109H M+S .
All-terrain tires1,2265/60 R18 110H M+S275/55 R19 111H M+S275/55 R19 111H M+S
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557 Technical data
Rims and tires
ModelGL 550
AMG rims (light alloy)10 J x 21 H2
Wheel offset1.46 in (37 mm)
All-season tires1,2
1Radial-ply tires2Must not be used with snow chains.
295/40 R21 111V XL (Extra Load) M+S
Rims (light alloy)8.5 J x 19 H2
Wheel offset2.20 in (56 mm)
Winter tires1,3
3Not available as factory equipment.
265/55 R19 109H M+S .
All-season tires1,3265/55 R19 109H M+S .
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558 Technical data
Rims and tires
Minispare wheel
ModelGL 320 CDI
GL 450
GL 550
Rim4.5B x 19 H2
Wheel offset1.58 in (40 mm)
Minispare tire1
1Must not be used with snow chains.
T 165/90 D19 119M
or
T 165/90 R19 119M
!Please compare the recommended tire
inflation pressure for your vehicle with the tire
inflation pressure on the yellow label located on
the Minispare wheel rim.
If the tire inflation pressure on the yellow label
on the Minispare wheel rim differs from the
values given in this Operator’s Manual, inflate
the tire to the recommended tire inflation pres-
sure given on the yellow label on the Minispare
wheel rim.iPlease note that the tire inflation pressure of
the Minispare tire differs from the tire inflation
pressure of the road tires.
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559 Technical data
Electrical system
Electrical system
ModelGL 450GL 550
Generator (alternator)14 V/180 A14 V/180 A
Starter motor12 V/1.7 kW12 V/1.7 kW
Battery12 V/95 Ah12 V/95 Ah
Spark plugsNGK PLKR7ANGK PLKR7A
Electrode gap0.031 in (0.8 mm)0.031 in (0.8 mm)
Tightening torque15 – 19 lb-ft (20 – 25 Nm)15 – 19 lb-ft (20 – 25 Nm)
ModelGL 320 CDI
Generator (alternator)14 V/180 A
Starter motor12 V/2.0 kW
Battery12 V/95 Ah
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560 Technical data
Main Dimensions
ModelGL 320 CDI, GL 450, GL 550
Overall vehicle length200.6 in (5096 mm)
Vehicle width, exterior rear view mirrors folded out83.7 in (2127 mm)
Vehicle width, exterior rear view mirrors folded in76.0 in (1930 mm)
Vehicle width, exterior rear view mirrors folded in
(vehicles with AMG rims)76.9 in (1954 mm)
Overall vehicle height, depending on set vehicle level72.4 in - 75.6 in (1840 mm - 1920 mm)
Overall vehicle height, depending on set vehicle level
(vehicles with enhanced off-road package*)72.4 in - 76.8 in (1840 mm - 1950 mm)
Wheelbase121.1 in (3075 mm)
Ground clearance, depending on set vehicle level7.8 in - 10.9 in (197 mm - 277 mm)
Ground clearance, depending on set vehicle level
(vehicles with enhanced off-road package*)7.8 in - 12.1 in (197 mm - 307 mm)
Turning circle39.7 ft (12.1 m)
Track, front65.0 in (1651 mm)
Track, rear65.1 in (1654 mm)
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561 Technical data
Weights
Weights
Roof load max.198 lb (90 kg)
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562 Technical data
Fuels, coolants, lubricants
Capacities
Vehicle components and their respective
lubricants must match. Therefore only use
products tested and approved by
Mercerdes-Benz.
Please refer to the Factory Approved
Service Products pamphlet (USA only), or
inquire at an authorized Mercedes-Benz
Light Truck Center.
Warning!G
Comply with all valid regulations with re-
spect to handling, storing and disposing of
service fluids. Otherwise you could
endanger persons or the environment.
Keep service fluids out of the reach of
children.
For health reasons, you should prevent
service fluids from coming into direct
contact with your skin or clothing.
If a service fluid is swallowed, contact a
physician immediately.
ModelCapacityFuels, coolants, lubricants, etc.
Engine with oil filterGL 320 CDI9.0 US qt (8.5 l)Approved engine oils
GL 450, GL 5509.5 US qt (9.0 l)Approved engine oils
Automatic transmissionAll models9.5 US qt (9.0 l)MB Automatic Transmission Fluid
Transfer case single speedAll models0.5 US qt (0.5 l)MB Automatic Transmission Fluid
Transfer case double speed*All models1.6 US qt (1.5 l)MB Automatic Transmission Fluid
Front axleAll models1.2 US qt (1.1 l)Hypoid gear oil
Rear axleAll models1.2 US qt (1.1 l)Hypoid gear oil
Rear axle with differential lock*All models1.7 US qt (1.6 l)Hypoid gear oil
Power steeringAll modelsapprox. 1.3 US qt (1.2 l)MB Power Steering Fluid or approved
Dexron III ATF
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563 Technical data
Fuels, coolants, lubricants
ModelCapacityFuels, coolants, lubricants, etc.
Front wheel hubsAll modelsapprox. 1.5oz (43g) eachHigh temperature roller bearing grease
Brake systemAll models-MB Brake Fluid (DOT 4+)
Cooling systemGL 320 CDIapprox. 10.0 US qt (9.5 l)MB Anticorrosion/Antifreeze
GL 450approx. 10.6 US qt (10.0 l)MB Anticorrosion/Antifreeze
GL 5501approx. 12.7 US qt (12.0 l)MB Anticorrosion/Antifreeze
Fuel Tank
including a reserve ofAll models26.4 US gal (100.0 l)
approx. 3.4 US gal (13.0 l)Gasoline engine:
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)
Diesel engine:
ULTRA-LOW SULFUR HIGHWAY DIESEL FUEL
(15 ppm SULFUR MAXIMUM)
Air conditioning systemAll models-R-134a refrigerant and special PAG lubricant oil
(never R-12)
Windshield washer system
and headlamp cleaning
system*All models8.1 US qt (7.7 l)MB Windshield Washer Concentrate2
1Data preliminary.2Use MB Windshield Washer Concentrate “MB SummerFit” and water for temperatures above freezing or MB Windshield Washer Concentrate “MB SummerFit” and
commercially available premixed windshield washer solvent/antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 569).
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