Page 311 of 458

309 Operation
Tires and wheels
Tire and loading terminology
Accessory weight
The combined weight (in excess of those 
standard items which may be replaced) of 
automatic transmission, power steering, 
power brakes, power windows, power 
seats, radio, and heater, to the extent that 
these items are available as 
factory-installed equipment (whether 
installed or not).
Air pressure
The amount of air inside the tire pressing 
outward on each square inch of the tire. 
Air pressure is expressed in pounds per 
square inch (psi), or kilopascal (kPa) or 
bars.
Aspect ratio
Dimensional relationship between tire 
section height and section width 
expressed in percentage.Bar
Another metric unit for air pressure. There 
are 14.5038 pounds per square inch (psi) 
to 1 bar; there are 100 kilopascals (kPa) 
to 1 bar.
Bead
The tire bead contains steel wires wrapped 
by steel cords that hold the tire onto the 
rim.
Cold tire inflation pressure
Tire inflation pressure when your vehicle 
has been sitting for at least three hours or 
driven no more than one mile (1.6 km). 
Curb weight
The weight of a motor vehicle with stan-
dard equipment including the maximum 
capacity of fuel, oil, and coolant, and, if so 
equipped, air conditioning and additional 
optional equipment, but without passen-
gers and cargo.DOT (D
epartment o
f T
ransportation)
A tire branding symbol which denotes the 
tire meets requirements of the 
U.S. Department of Transportation.
GAWR (G
ross A
xle W
eight R
ating)
The GAWR is the maximum permissible 
axle weight. The gross vehicle weight on 
each axle must never exceed the GAWR for 
the front and rear axle indicated on the 
Certification label located on the driver's 
door B-pillar.
GVW (G
ross V
ehicle W
eight)
The GVW comprises the weight of the 
vehicle including fuel, tools, spare wheel, 
installed accessories, passengers and 
cargo and, if applicable, trailer tongue 
load. The GWV must never exceed the 
GWVR indicated on the Certification label 
located on the driver's door B-pillar. 
     
        
        Page 413 of 458

411 Technical data
Fuels, coolants, lubricants, etc.
Fuels, coolants, lubricants, etc.
CapacitiesVehicle components and their respective 
lubricants must match. Therefore use only 
brands tested and approved by us.Please refer to the Factory Approved Ser-
vice Products pamphlet, or inquire at your 
Mercedes-Benz Center.
Model
Capacity
Fuels, coolants, lubricants, etc.
Engine with oil filter
CL 500
CL 55 AMG CL 600
CL 65 AMG
8.5 US qt (8.0 l)
8.0 US qt (7.5 l)
9.5 US qt (9.0 l)
11.0 US qt (10.5 l)
Approved engine oils
Automatic transmission
CL 500
CL 55 AMG CL 600
CL 65 AMG
9.1 US qt (8.6 l)
9.1 US qt (8.6 l)
8.2 US qt (7.7 l)
8.2 US qt (7.7 l)
MB Automatic Transmission Fluid
Rear axle
CL 500
CL 55 AMG CL 600
CL 65 AMG
1.7 US qt (1.6 l)
2.1 US qt (2.0 l)
2.1 US qt (2.0 l)
2.1 US qt (2.0 l)
Hypoid gear oil SAE 85 W 90
Hydraulic system for ABC
approx. 4.2 US qt (4.0 l)
MB Hydraulic fluid
Power steering
approx. 1.1 US qt (1.0 l)
MB Power Steering Fluid 
(Pentosin CHF 11S)
Front wheel hubs
approx. 3.5 oz (100 g) each
High temperature roller bearing grease
Brake system
0.7 US qt (0.7 l)
MB Brake Fluid (DOT 4+)  
     
        
        Page 414 of 458

412 Technical dataFuels, coolants, lubricants, etc.
Model
Capacity
Fuels, coolants, lubricants, etc.
Cooling system
CL 500
CL 55 AMG
CL 600
CL 65 AMG
approx. 12.1 US qt (11.5 l)
approx. 15.3 US qt (14.5 l)
approx. 15.85 US qt (15 l)
approx. 16.18 US qt (15.3 l)
MB 325.0 Anticorrosion/Antifreeze
Low temperature cooling system
CL 600
CL 65 AMG
2.3 US qt (2.2 l)
3.06 US qt (2.9 l)
MB 325.0 Anticorrosion/Antifreeze
Fuel tank
23.2 US gal (88.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91 
(Avg.of96RON/86MON)
including a reserve of
CL 500 and CL 600
2.9 US gal (11.0 l)
including a reserve of
CL 55 AMG and CL 65 AMG
3.7 US gal (14.0 l)
Air conditioning system
R-134a refrigerant and special PAG 
lubricant oil (never R-12)
Windshield washer and
headlamp cleaning system
7.1 US qt (6.7 l)
MB Windshield Washer Concentrate
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 point. Follow suggested mixing ratios (page 418).