Page 439 of 498
437 Technical data
Layout of poly-V-belt drive
Layout of poly-V-belt drive
CLK 320/CLK 500/CLK 55 AMG
1Automatic belt tensioner
2Power steering pump
3Air conditioning compressor
4Crankshaft
5Coolant pump
6Generator (alternator)
7Idler pulley
Page 449 of 498
447 Technical data
Fuels, coolants, lubricants, etc.
Fuels, coolants, lubricants, etc.
CapacitiesVehicle 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.
Model
Capacity
Fuels, coolants, lubricants, etc.
Engine with oil filter
CLK 320
CLK 500
CLK 55 AMG
8.5 US qt (8.0 l)
7.5 US qt (7.0 l)
9.0 US qt (8.5 l)
Approved engine oils
Automatic transmission
CLK 320
CLK 500
CLK 55 AMG
8.0 US qt (7.5 l)
9.3 US qt (8.7 l)
9.3 US qt (8.7 l)
MB Automatic Transmission Fluid
Rear axle
CLK 320
CLK 500
CLK 55 AMG
1.28 US qt (1.2 l)
1.5 US qt (1.4 l)
1.5 US qt (1.4 l)
Hypoid gear oil SAE 85 W 90
Power steering
approx. 1.1 US qt (1.0 l)
MB Power Steering Fluid (Pentosin
CHF 11S)
Front wheel hubs
approx. 3.0 oz (85 g) each
High temperature roller bearing grease
Brake system
0.64 US qt (0.6 l)
MB Brake Fluid (DOT 4+)
Page 460 of 498

458 Technical termsMultifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.
OCS
(O
ccupant C
lassification S
ystem)
The system automatically turns the
front passenger front air bag on or off
based on the classified occupant size
category determined by weight sensor
readings from the seat.
Overspeed range
Engine speeds within the red marking
on the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.Parktronic (Parking assist)*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axlesProgram mode selector switch
Used to switch the automatic transmis-
sion between standard operationS and
comfort operationC.
CLK 55 AMG with steering wheel gear-
shift control and manual shift program:
In addition toS andC (for standardS
or comfortC operation, see above) you
can use theM for manual shift
program.
Page 468 of 498

466 IndexClimate control 184
Activating 185
Adjusting air distribution 188
Air recirculation mode 190
Deactivating 185
Defrosting 189
Rear window defroster 183
Clock 25, 152
Closing
Cup holder 275
Glove box 272
Hood 309
Power tilt/sliding sunroof* 251, 401
Power tilt/sliding sunroof*
with KEYLESS-GO* 250, 253
Power tilt/sliding sunroof*
with SmartKey 253
Side windows 248
Trunk 107
Windows 247
Windows
with KEYLESS-GO* 250, 253
Windows
with SmartKey 249Closing power tilt/sliding sunroof*
In an emergency 401
Cockpit 22, 455
Cockpit management
and data system (COMAND*) 456
Cold tire inflation pressure 338
Collapsible tire (CLK 55 AMG only) 394
Collapsible wheel chock 392
COMAND* see separate
operating instructions
Combination switch 129
High beam flasher 129
Turn signals 51
Windshield wipers 52
Comfort driving
Transmission program mode 170
Control and
operation of radio transmitters 302Control system 137, 456
AUDIO menu 143
Convenience submenu 158
Display digital speedometer 142
Functions 138, 141
Instrument
cluster submenu 149, 151
Lighting submenu 154
Menus 140, 141, 457
Multifunction display 137
Multifunction steering wheel 138
NAV menu 144
Operate CD player 144
Selecting radio system 143
Selecting satellite radio* system 143
Settings menu 146
Standard display menu 142
Submenus 139, 141
TEL* menu 162
Trip computer menu 160
Vehicle status
message memory menu 145
Vehicle submenu 158
Page 486 of 498

484 IndexSmartKey with KEYLESS-GO*
Checking the batteries 97, 103
Global locking and unlocking 101
Locking the vehicle 103
Loss of 105
Message in display 381
Messages in display 381
Remote controls 99
Restoring to factory setting 97, 102
Turning off the engine 57
Unlocking with 33
Snow chains 343
Soft keys
Audio system 210
Spare fuses 430
Spare parts service see Parts service
Spare wheel
Bolts 396
Mounting 413
Speed
Setting current 256
Speed settings
Cruise control 258
To last stored speed
("Resume" function)
in Cruise control 259Speed shift 459
Speedometer 25
Settings units 149
Speedometer display mode
Selecting 149
Split rear bench seat 267
SRS 68, 459
Indicator lamp 61, 359
Standing lamps 124
Replacing bulbs 404, 405, 407, 409
Standing water
Driving instructions 302
Starter switch 23, 34
Positions 34
Starting difficulties 48
Starting position 34
Starting the engine 46
Steering column
In/out adjustment 41
Up/down adjustment 41
Steering gear oil
Message in display 387Steering wheel 40
Adjusting 40
Buttons 26
Cleaning 351
Height adjustment 41
Steering wheel gearshift control 172
CLK 500 only 173
CLK 55 AMG only 174
Stolen vehicle
Tracking services 286
Stopping
Power tilt/sliding sunroof* 252
Windows 249
Storage bags 274
Storage compartments 272
Armrest 273
Cup holder 275
Glove box 272
Parcel net 274
Storage bags 274
Storing (Memory function)
Positions into memory 122
Storing tires 318
Page 490 of 498

488 IndexUpgrade signals
Tele Aid 285
Uphill driving
Cruise control 257
Upholstery
Cleaning 352
Upshifting 167
Useful features 272
Ashtray (Center console) 276
Ashtray (Rear seat) 276
Cigarette lighter 277
Electrical outlet 278
Floormats* 278
Storage compartments 272
Tele Aid 280
Telephone* 279V
Vacuum line routing diagram label 436
Vehicle
Individual settings 146, 148
Locking 27
Locking in an emergency 398
Lowering 418
Service battery 420
Towing 425
Unlocking 27
Unlocking in an emergency 397
Vehicle battery 314, 420
Messages in display 373
Vehicle capacity weight 340Vehicle care 347
Cup holder 351
Engine cleaning 349
Gear selector lever 351
Hard plastic trim items 351
Headlamps 349
Instrument cluster 351
Leather upholstery 352
Light alloy wheels 351
Nubuck leather upholstery
(CLK 55 AMG) 352
Ornamental moldings 349
Paintwork 348
Parktronic system* sensor 350
Plastic and rubber parts 352
Power washer 348
Seat belts 352
Steering wheel 351
Tail lamps 349
Tar stains 348
Turn signals 349
Upholstery 352
Vehicle washing 349
Window cleaning 351
Wiper blades 350
Wood trims 352