Page 425 of 481

424 Practical hints
Battery
Reconnecting the battery
Turn off all electrical consumers.
Remove SmartKey from starter switch.
Vehicles with KEYLESS-GO*:
Open the driver’s door.
Connect the battery positive lead and
fasten its cover3 (
page 422).
Connect the battery negative lead 2
(
page 422).
Reinstall the filter box (page 421).Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12-volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
!Always connect the battery in the order de-
scribed below. Otherwise the vehicle’s electron-
ics can be damaged.
!Never invert the terminal connections!
iThe following procedures must be carried
out following any interruption of battery power
(e.g. due to reconnecting):
Set the clock (page 156). Vehicles with
COMAND*: see COMAND operator’s manu-
al.
Synchronize the side windows
(
page 247).
Synchronize the tilt/sliding sunroof*
(
page 252).
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 462 of 481

461 Index
Text messages 370–376
Vehicle status message memory 149
Vehicle status messages see
Multifunction display messages
Distance to empty (Range),
Trip computer 164
Door
Entry lamps 137
Handle (inside) 32
Locking/unlocking,
KEYLESS-GO* 35, 104
Locking/unlocking,
SmartKey 34, 100
Opening from inside/outside 108
Remote door unlock (Tele Aid) 284
Unlocking, Mechanical key 399
Door control panel 32
Door handle 108
DOT 337
Drinking and driving 293Driving
Abroad 300
Hydroplaning 297
In winter 299
Instructions 47, 293
Problems 58
Safety systems 88
Systems 253
Through standing water 300
Driving off 295
Driving safety systems
ABS 88
BAS 90
Electronic traction system 92
ESP
®91
Driving systems
Cruise control 253
Parktronic system*
(Canada only) 257
Driving tips 172
Accelerator position 172
Kickdown 172E
Easy-entry/exit feature 44, 162
Electrical fuses see Fuses
Electrical outlet 275
Electrical system, Technical data 446
Electronic Stability Program see ESP
®
Emergency call system* 279
Emergency calls
911 calls 243
Tele Aid calls 280, 281
Emergency operation
(Limp-Home Mode) 178
Emergency operations
Active head restraints, Resetting 403
Center console,
Indicator lamps 366–367
Gear selector lever, Unlocking 401
Instrument cluster,
Indicator lamps 356–365
Power tilt/sliding sunroof*,
Manual operation 402
Remote door unlock 284
Trunk lid, Releasing from inside 116
Trunk lid, Unlocking 400
Unlocking/locking
the vehicle 399, 400
Page 466 of 481

465 Index
I
Identification labels 438
Identification number,
Vehicle (VIN) 438, 439
Ignition
with KEYLESS-GO* 38
with SmartKey 36
Immobilizer 94
Indicator lamps
see Lamps, indicator and warning
Infant and child restraint systems
see Children in the vehicle
Inflation pressure
see Tires,Inflation pressure
Inside door handle 32, 108
Instrument cluster 26, 138
Illumination brightness 138
Lamps in 356–365
Messages in display
see Multifunction display messages
Multifunction display 141
Instrument lighting see Instrument cluster,
Illumination brightness
Instrument panel see Instrument cluster
Instruments and controls see CockpitInterior lighting 136
Delayed shut-off 161
Interior rear view mirror 45, 180
Antiglare position 179
Auto-dimming 180
Interior storage spaces
see Storage compartments
J
Jack 394
Jacking up the vehicle 416
Jump starting 425K
Key, Mechanical 399
Key, SmartKey 98
Batteries 107
Battery check lamp 100, 105
Changing batteries 404
Factory setting 100, 101
Ignition 36
Locking/unlocking 34, 62, 98
Locking/unlocking,
Global setting 100
Locking/unlocking,
Selective setting 100
Loss of 107
Message in display 385
Opening and closing the
power tilt/sliding sunroof* 251
Opening and closing the
power windows 248
Positions in starter switch 36
Remote control 98
SmartKey with KEYLESS-GO* 101
Starting the engine 51
Steering wheel lock 36
Turning off the engine 61
Unlocking/opening trunk lid 101
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
Page 471 of 481

470 Index
Power tilt/sliding sunroof* 250
Express opening/closing 251
Message in display 393
Opening/closing 250
Opening/closing
in an emergency 402
Stopping 252
Synchronizing 252
Power washer 347
Power windows 245
Cleaning 351
Convenience closing feature 249
Express opening/closing 246
Operating 245
Rear side windows,
Blocking operation 86
Summer opening feature 248
Synchronizing 247
Practical hints 356
Premium unleaded gasoline 451
Problems
While driving 58
With vehicle 17
Product information 9
Production options weight 338Program mode
see Automatic transmission,
Automatic shift program
Program mode selector switch
Automatic shift program 174
PSI 338
Push-start see Tow-startR
Radio
Operation 214
Search function 161
Selecting stations 147
Selecting stations (satellite*) 147
Radio transmitters 300
Range (distance to empty) 164
Reading lamp 31, 137
Rear bench seat, foldable 264
Rear fog lamp see Fog lamps
Rear lamps see Tail lamps
Rear seat ashtray see Ashtray
Rear seat head restraints
see Head restraints
Rear side windows
Blocking operation 86
Rear view mirrors see Mirrors
Rear window defroster 183
Rear window sunshade*
(Canada only) 182
Recommended
engine oils and oil filter 450
Recommended
tire inflation pressure 338
Page 472 of 481

471 Index
Recovery services,
Stolen vehicle (Tele Aid) 285
Refrigerant, Air conditioning 450
Refueling 303
Regular checks 305
Remote control
SmartKey 98, 101
SmartKey with KEYLESS-GO* 101
Remote door unlock (Tele Aid) 284
Removing
Ski sack* (Canada only) 264
Replacing bulbs 406
Additional turn signals 407
Backup lamps 407, 411
Brake lamps 407
Corner-illuminating
front fog lamp* 407
Fog lamps 407, 411
Headlamp bulbs 409
Headlamps 407
High beam flasher (Bi-Xenon*) 407
High beam flasher (Halogen) 407
High beam headlamps
(Bi-Xenon*) 407
High beam headlamps
(Halogen) 407, 409High mounted brake lamp 407
License plate lamps 407, 412
Low beam headlamps
(Bi-Xenon*) 407
Low beam headlamps
(Halogen) 407, 409
Parking lamps 407, 410, 411
Side marker lamps 407
Standing lamps 407, 410, 411
Tail lamps 407, 411
Turn signal lamps 407, 411
Turn signal lamps (Bi-Xenon*) 411
Turn signal lamps (Halogen) 410
Reporting safety defects 18
Research Octane Number see RON
Reset button, In instrument
cluster 27, 138, 151, 152
Residual heat and ventilation* see REST*
REST* 205
Restraint system
see Children in the vehicle
Restraint system see SRS
Reverse gear position,
Automatic transmission 168, 170
Rims 338, 442
Roadside Assistance 12, 282RON 304
Roof rack 261
Rubber parts, cleaning 352
Run Flat Indicator (Canada only) 324
Page 474 of 481

473 Index
Side marker lamps
Cleaning lenses 350
Messages in display 389
Replacing bulbs 407
Side windows see Power windows
Sidewall 338
Ski sack* (Canada only) 262
Removing 264
Unfolding and loading 262
Unloading and folding 263
SmartKey see Key, SmartKey
SmartKey with KEYLESS-GO*
see KEYLESS-GO*
Snow chains 342
Snow tires 341
Sound system* 211
Spare fuses 394, 431
Spare parts service see Parts service
Spare wheel 397
Bolts 394, 398
Mounting 416
Sizes 445
Speedometer 27, 154
SRS 64, 76
Indicator lamp 27, 65, 365
Message in display 391Standard display, Selecting display 155
Standing lamps 128, 410, 411
Replacing bulbs 407
Standing water, Driving through 300
Starter switch 25, 36
Positions 36
Starting difficulties, Engine 52
Starting, Engine 50
Status line, Selecting display 155
Steering column 43
Steering gear oil
Message in display 392
Steering wheel 43
Buttons 28
Cleaning 353
Lock 52
Steering wheel gearshift control
one-touch gearshifting*
Automatic transmission 177
Stolen Vehicle Recovery services 285
Storage box 268Storage compartments 268
Armrest, Front 270
Armrest, Rear 271
Cup holder 271
Glove box 268
Parcel net 269
Storage bags 269
Storage box 268
Storing
Tires 315
Submenus see Control system submenus
Sun visors 181
Sunroof* see Power tilt/sliding sunroof*
Sunshade* (Canada only) 182
Supplemental Restraint System see SRS
Symbols used
in this operator’s manual 15