347 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 3 hours or driv-
en no more than 1 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 (Department of Transportation)
A tire branding symbol which denotes the
tire meets requirements of the
U.S. Department of Transportation.
GAWR (G
ross Axle Weight Rating)
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 Vehicle Weight)
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 GVW must never exceed the
GVWR indicated on the certification label
located on the driver’s door B-pillar.
472 Technical data
Fuels, coolants, lubricants, etc.
Capacities
Vehicle components and their respective
lubricants must match. Therefore only use
products tested and approved by
Mercedes-Benz.
Please refer to the Factory Approved Ser-
vice Products pamphlet, or inquire at your
Mercedes-Benz Center.
Warning!G
Comply with all valid regulations with
respect 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 eyes or any open wounds.
If a service fluid is swallowed, contact a
physician immediately.
ModelCapacityFuels, coolants, lubricants, etc.
Engine with oil filterCLK 350
CLK 550
CLK 63 AMG8.5 US qt (8.0 l)
9.0 US qt (8.5 l)
9.0 US qt (8.8 l)Approved engine oils
Automatic transmissionCLK 350
CLK 550
CLK 63 AMG9.0 US qt (8.5 l)
9.5 US qt (9.0 l)
9.3 US qt (8.5 l)MB Automatic Transmission Fluid
Rear axleCLK 350
CLK 550
CLK 63 AMG1.16 US qt (1.1 l)
1.27 US qt (1.2 l)
1.27 US qt (1.2 l)Hypoid gear oil SAE 85 W 90
Fuchs Titan EG 5010D
473 Technical data
Fuels, coolants, lubricants, etc.
ModelCapacityFuels, coolants, lubricants, etc.
Power steeringCLK 350
CLK 550
CLK 63 AMGapprox. 1.1 US qt (1.0 l)
approx. 1.1 US qt (1.0 l)
approx. 1.3 US qt (1.2 l)MB Power Steering Fluid (Pentosin
CHF 11S)
Front wheel hubsCLK 350
CLK 550
CLK 63 AMGapprox. 3.0 oz (85 g) each
approx. 3.0 oz (85 g) each
approx. 2.5 oz (70 g) eachHigh temperature roller bearing grease
Brake system0.64 US qt (0.6 l)MB Brake Fluid (DOT 4+)
Cooling systemCLK 350
CLK 550
CLK 63 AMGapprox. 7.8 US qt (7.4 l)
approx. 9.7 US qt (9.2 l)
approx. 11.5 US qt (10.9 l)MB 325.0 Anticorrosion/Antifreeze
Agent
Fuel tank
including a reserve of
CLK 350
CLK 550
CLK 63 AMG
16.35 US gal (62.0 l)
2.11 US gal (8.0 l)
2.11 US gal (8.0 l)
3.17 US gal (12.0 l)Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON / 86 MON)
Air conditioning systemR-134a refrigerant and special PAG lu-
bricant oil (never R-12)
Windshield washer and
headlamp cleaning system*6.4 US qt (6.0 l)MB Windshield Washer Concentrate1
1Use MB Windshield Washer Concentrate “MB SummerFit” and water for temperatures above freezing point or MB Windshield Washer Concentrate “MB SummerFit”
and commercially available premixed windshield washer solvent / antifreeze for temperatures below freezing point. Follow suggested mixing ratios (page 479).
479 Technical data
Fuels, coolants, lubricants, etc.
Windshield washer system and
headlamp cleaning system*
Both the windshield washer and headlamp
cleaning system are supplied from the
windshield washer fluid reservoir.
The washer fluid reservoir has a capacity of
approx. 6.4 US qt (6.0 l).
Refill the reservoir with MB Windshield
Washer Concentrate “MB SummerFit”
and water (or concentrate and com-
mercially available premixed wind-
shield washer solvent / antifreeze,
depending on ambient temperatures).Windshield and headlamp washer fluid
mixing ratio
For temperatures above freezing point, use
MB Windshield Washer Concentrate
“MB SummerFit” and water:
1 part “MB SummerFit” to 100 parts
water
(1.34 fl oz [40 ml] “MB SummerFit” to
1 gallon [4.0 l] water)
For temperatures below freezing point, use
MB Windshield Washer Concentrate
“MB SummerFit” and commercially avail-
able premixed windshield washer
solvent / antifreeze:
1 part “MB SummerFit” to 100 parts
solvent
(1.34 fl oz [40 ml] “MB SummerFit” to
1 gallon [4.0 l] solvent)
Warning!G
Washer solvent/antifreeze is highly flam-
mable. Do not spill washer
solvent/antifreeze on hot engine parts, be-
cause it may ignite and burn. You could be
seriously burned.
487 Index
Front lamps see Headlamps
Front passenger front air bag 65, 69
Messages in display 382–385
Front passenger front
air bag off indicator lamp 29, 74, 376
FSS (Canada vehicles) 353
Fuel 313, 472
Additives 476
Automatic transmission fluid 472
Brake fluid 473
Capacities 472
Capacities, Fuel tank 473
Engine coolant 473
Engine oil 472
Filling the tank 312
Fuel display 27
Fuel filler flap and cap 312
Fuel filler flap and cap, Multifunction
display messages 393
Fuel reserve warning lamp 373
Power steering fluid 473
Premium unleaded
gasoline 313, 473, 475
Requirements, Octane rating 476
Technical data 472Fuel cap
Message in display 370
Fuel consumption statistics
From start 165
Resetting 166
Since last reset 166
Fuel filler flap 312
Locking/unlocking 312
Opening 312
Fuel reserve warning lamp 27
Fuel tank
Capacity 473
Filler flap 312
Message in display 395
Fuel, Premium unleaded
gasoline 313, 475, 476
Fuels, coolants, lubricants etc.
Capacities 472
Fuses 456
Fuse box (main)
in passenger compartment 457
Fuse box
in engine compartment 457
Fuse box
in trunk 458
Replacing 456G
Garage door opener 31, 293
Gasoline see Fuel
GAWR 347
Gear range
Automatic transmission 175
Limiting 175
Shifting into optimal 178, 180
Gear selector lever 30, 50, 170
Cleaning 363
Gearshift pattern 170
Lock 51
Message in display 386
Position 171, 172
Position indicator 27, 139
Shifting procedure 171
Unlocking in an emergency 412
Gear selector lever one-touch gearshifting
Automatic transmission 177
Global locking/unlocking see
Key, SmartKey or KEYLESS-GO*
Glove box 25, 276
Gloves 404
Good visibility 184
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
497 Index
Steering wheel 43
Buttons 28
Cleaning 363
Lock 52
Steering wheel gearshift control
one-touch gearshifting*
Automatic transmission 179
Stolen Vehicle Recovery services 293
Storage box 276
Storage compartments 276
Armrest, Front 278
Armrest, Rear 279
Cup holder 279
Glove box 276
Parcel net 277
Storage bags 277
Storage box 276
Telephone* 278
Storing
Tires 325
Submenus see
Control system submenus 141
Sun visors 186
Symbols used
in this operator’s manual 15T
Tachometer 27, 138
Overspeed range 138
Tail lamps
Cleaning lenses 361
Messages in display 399
Replacing bulbs 428, 432
Tar stains 357
Technical data
Air conditioning refrigerant 474
Brake fluid 475
Capacities fuels, coolants,
lubricants etc. 472, 473
Coolant 473, 477
Electrical system 470
Engine 465
Engine oil 474
Engine oil additives 474
Fuel capacity 473
Fuel requirements 476
Gasoline additives 476
Lubricants 472
Premium unleaded gasoline 475
Rims and tires 466
Tires, Mixed size 468
Tires, Same size 467Tires, Spare wheel sizes 469
Vehicle dimensions 471
Weights 471
Windshield washer and headlamp
cleaning* system 473, 479
Tele Aid 31, 287
Call priority 292
Emergency calls 288
Hands-free microphone 31
Information 291
Initiating an
emergency call manually 289
Messages in display 401
Remote door unlock 292
Roadside Assistance 290
SOS button 289
Stolen Vehicle
Recovery services 293
System self-check 287
Tele Aid System 287