Page 420 of 481
419 Practical hints
Flat tire
1Alignment bolt
Guide spare wheel onto the alignment
bolt and push it on.
Insert wheel bolts and tighten them
slightly.
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Lowering the vehicle
Lower vehicle by turning crank
counterclockwise until vehicle is
resting fully on its own weight.
Remove the jack.1 - 5Wheel bolts
Tighten the five wheel bolts evenly,
following the diagonal sequence
illustrated (1to5), until all bolts are
tight. Observe a tightening torque
of 80 lb-ft (110 Nm).
Warning!G
Only use Genuine equipment
Mercedes-Benz wheel bolts. Other wheel
bolts may come loose.
Do not tighten the wheel bolts when the
vehicle is raised. Otherwise the vehicle
could fall off the jack.
Warning!G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque
of 80 lb-ft (110 Nm).
Page 436 of 481
435 Technical data
Parts service
Warranty coverage
Identification labels
Layout of poly-V-belt drive
Engine
Rims and tires
Electrical system
Main dimensions and weights
Fuels, coolants, lubricants, etc.
Page 448 of 481
447 Technical data
Main dimensions and weights
Main dimensions and weights
Main dimensions
Weights
ModelCLK 350CLK 550
Overall vehicle length183.3 in (4 657 mm)183.3 in (4 657 mm)
Overall vehicle width (exterior rear view
mirrors folded out)78.4 in (1 991 mm)78.4 in (1 991 mm)
Overall vehicle height55.4 in (1 408 mm)55.4 in (1 408 mm)
Wheelbase106.9 in (2 715 mm)106.9 in (2 715 mm)
Track, front58.8 in (1 493 mm)58.9 in (1 497 mm)
Track, rear58.0 in (1 474 mm)58.2 in (1 478 mm)
Roof load max.220 lbs (100 kg)
Trunk load max.220 lbs (100 kg)
Page 458 of 481

457 Index
A
ABS 27, 88
Malfunction indicator lamp 356
Messages in display 370
Accelerator position,
automatic transmission 172
Accessory weight 337
Accident 58
Active head restraints 79
Resetting 403
Air bags 65
Children 80
Front passenger front
air bag off indicator lamp 74
Front side impact air bags 70
Front, Driver 69
Front, Passenger 69
Occupant Classification System
(OCS) 70
Rear side impact air bags* 70
Safety guidelines 68
Window curtain 70
Air conditioning refrigerant 450
Air conditioning system
see Climate control systemAir conditioning, Cooling 192, 204
Air distribution 188, 199
Air pressure see Tires, Inflation pressure
Air recirculation mode 190, 201
Air vents 193, 206
Air volume 188, 200
Alarm system see Anti-theft systems
Alignment bolt (vehicle tool kit) 394, 418
Anticorrosion/antifreeze 453, 454
Antiglare, Rear view mirror 179, 180
Anti-theft systems 94
Anti-theft alarm system 94
Immobilizer 94
Aquaplaning see Hydroplaning
Armrest 270, 271
Ashtrays 272, 273
Aspect ratio 337
ATF 309
AUDIO menu 147
CD player (CD, MP3-CD) 148
Radio station 147
Radio station (satellite*) 147
Search function 161Audio system 207
Button and soft key operation 210
CD changer* 226
CD operation 223
Emergency calls "911" 243
MP3 224
Operating and display elements 208
Operating audio system 207
Operating safety 207
Radio operation 214
Sound system* 211
Switching on/off 210
Telephone* operation 207, 230
Auto-dimming, Rear view mirror 180
Automatic central locking,
Control system 118, 162
Automatic climate control see
Climate control system
Automatic headlamp mode see Headlamps
Automatic lighting control,
Interior lighting 136
Automatic locking when driving 118
Automatic shift program 174
Page 461 of 481

460 Index
Control system menus 144
AUDIO 147
NAV* 149
Settings 151
Settings, Submenus 151
Standard display 146
Submenus 143
TEL* 165
Trip computer 163
Vehicle status message memory 149
Control system submenus 143, 145, 153
Convenience 162
Instrument cluster 154
Lighting 158
Time/Date 156
Vehicle 161
Coolant 310, 453
Adding 310
Anticorrosion/antifreeze
mixing ratio and quantity 453
Capacities 449
Checking coolant level 310
Messages in display 380–382
Temperature 302
Temperature indicator 139
Warning lamp 361Corner-illuminating front fog lamps* 133
Replacing bulbs 407
Cruise control 253
Canceling 255
Cruise control lever 253
Current speed 254
Fine adjustment 256
Higher speed 256
Last stored speed
("Resume" function) 256
Slower speed 256
Cup holder 271
Curb weight 337D
Date 156
Date, Setting 157, 158
Daytime running lamp mode 130
Setting 158
Deep water see Standing water
Defogging
Windshield 190, 200
Defrosting, Front 189, 200
Defrosting, Rear 183
Delayed shut-off
Exterior lamps 160
Interior lighting 161
Department of Transportation see DOT
Difficulties
With starting 52
Digital speedometer 146
Dimensions, Vehicle 447
Direction of rotation (tires) 316
Displays
Digital speedometer 146
Maintenance service indicator 343
Messages in display 368
Multifunction display 141
Outside temperature 140
Symbol messages 378–393
Page 465 of 481

464 Index
Glove box 268
Gloves 394
Good visibility 179
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 337
GVWR 338H
Halogen headlamp see Headlamps
Hands-free microphone 31
Hard plastic trim items, cleaning 353
Hazard warning flasher 135
Head restraints 40, 120
Active head restraints 79
Front seat 120
Power seat, Adjusting 40
Rear seat 120
Rear seat, Folding back 121
Rear seat, Placing upright 122
Rear seat, Removing/installing 122
Headlamp
cleaning system* 179, 312, 449
Headlamp delayed shut-off
see Delayed shut-off, Exterior lamps
Headlamps
Automatic headlamp mode 129
Cleaning lenses 350
Daytime running lamp mode 130
Halogen 409
High beam see High beam flasher
High beam see High beam headlamps
Light sensor 386
Locator lighting 131Low beam see Low beam headlamps
Manual headlamp mode 129
Messages in display 387–390
Night security illumination 131
Replacing bulbs 407, 409
Switch 55, 128
Headliner and shelf below rear window,
Cleaning and care of 353
Heated seats* 124
High beam flasher 55, 133
Replacing bulbs (Bi-Xenon*) 407
Replacing bulbs (Halogen) 407
High beam headlamps 133
Indicator lamp 27
Messages in display 387
Replacing bulbs (Bi-Xenon*) 407
Replacing bulbs (Halogen) 407, 409
Replacing bulbs for
high beam flasher (Bi-Xenon*) 410
Switching on 55, 129
High mounted brake lamp 407
Hood 306
Horn 25
HVAC see Climate control system
Hydroplaning 297
Page 468 of 481

467 Index
Lock buttons
Door handle (KEYLESS-GO*) 62, 105
Trunk lid (KEYLESS-GO*) 106
Loss of keys 107
Loss of Service and
Warranty Information Booklet 437
Low beam headlamps
Indicator lamp 27
Messages in display 388
Replacing bulbs (Bi-Xenon*) 407
Replacing bulbs (Halogen) 407, 409
Switching on 27, 55
Lubricants 448M
Maintenance 12, 343
Calling up service indicator 345
Clearing service indicator 344
FSS (Canada vehicles) 343
Maintenance System
(U.S. vehicles) 343
Resetting service indicator 345
Service indicator 343
Service term exceeded 344
Maintenance system (U.S. vehicles) 343
Manual headlamp mode see Headlamps
MAXCOOL maximum cooling 201
Maximum load rating, Tires 338
Maximum loaded vehicle weight,
Tire inflation pressure 338
Maximum tire inflation pressure 338
Mechanical key 399
Memory function see Seats, Power
Menus see Control system menus
Microphone, Hands-free 31
Minispare wheel see Spare wheelMirrors
Adjusting 45
Antiglare position 179
Auto-dimming 180
Exterior rear view mirrors 45
Interior rear view mirror 45
Mobile phone see Telephone*
MOE tires* see MOExtended system*
MOE* see MOExtended system*
MOExtended system* 420
MOExtended tires* 442
MON 304
Motor Octane Number see MON
MP3 224
Multicontour seat*
see Seats, Multicontour*
Multifunction display 141
Changing settings
see Control system menus and
Control system submenus
Selecting language 154
Symbol messages 378–393
Text messages 370–376
Page 469 of 481

468 Index
Multifunction display messages 368
ABS 370
Battery 378
Brake fluid 379
Brake pads 379
Check engine 380
Coolant 380–382
Engine 380
Engine coolant 380–382
ESP
®370
Fog lamps 387
Front passenger
front air bag 372–375
Fuel cap 383
Fuel reserve tank 385
Gear selector lever 376
Headlamps 387–390
Key, SmartKey 385
KEYLESS-GO* 385
Lamps 388
Lamps, exterior 387–390
License plate lamp 388
Light sensor 386
Parking brake 379
Parking lamps 388
Power tilt/sliding sunroof* 393SRS 391
Steering gear oil 392
Tele Aid 393
Telephone* 393
Turn signals 387
Windshield washer fluid 393
Multifunction steering wheel 28, 142
Button operation 142
N
Navigation system* 149
See separate COMAND*
operating instructions
Net, Parcel 269
Neutral gear position,
Automatic transmission 168, 170
New vehicle break-in 292
Night security illumination 131
Normal occupant weight 338
Number, paintwork code 438
Number,
vehicle identification (VIN) 438, 439O
Occupant Classification System see OCS
Occupant distribution 338
Occupant safety 64
Active head restraints 79
Air bags 65
Children and air bags 80
Children in the vehicle 80
ETD 78
Fastening the seat belts 47
Front air bags 69
Front passenger front air bag off
indicator lamp 74, 366
Front side impact air bags 70
Infant and child restraint systems 80
LATCH-type child seat anchors 85
OCS 70
Rear side impact air bags* 70
Seat belts 47, 75
Seat belts, safety guidelines 68
SRS 64
Window curtain air bags 70