Page 426 of 498

424 Practical hintsJump startingThe battery is located on the right side of
the engine compartment. For jump start-
ing use the terminals in front of the bat-
tery.
Make sure the two vehicles do not
touch.
Turn off all electrical consumers.
Apply parking brake.
Shift gear selector lever to positionP.
Open the hood.1Positive terminal of charged battery
2Positive under hood terminal in front of
discharged battery
3Negative under hood terminal in front
of discharged battery
4Negative terminal of charged battery
Connect the positive terminal1 of the
charged battery with the positive under
hood terminal 2 in front of the dis-
charged battery with the jumper cable.
Clamp cable to charged battery1
first.
Start engine of the vehicle with the
charged battery and run at idle speed.
Connect the negative terminal4 of
the charged battery with the negative
under hood terminal 3 in front of the
discharged battery with the jumper ca-
ble. Clamp cable to charged battery4
first.
Start the engine of the disabled vehi-
cle.
You can now turn on the electrical con-
sumers. Do not turn on the lights under
any circumstances.
Remove the jumper cables first from
the negative terminals3 and4 and
then from the positive terminals1
and2.
You can now turn on the lights.
Have the battery checked at the near-
est authorized Mercedes-Benz Center.
Warning!
G
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
(page 314).
!Never invert the terminal connections.
!Do not tow-start the vehicle.
Page 429 of 498
427 Practical hints
Towing the vehicle
Installing towing eye bolt
Towing eye bolt CLK 320/CLK 500
1Cover on right side of front bumper2Cover on right side of rear bumper
To remove cover:
Press mark on cover in direction of ar-
row.
L i f t c o v e r o f f t o r e v e a l t h r e a d e d h o l e f o r
towing eye bolt.
The towing eye bolt is supplied with the
tool kit (located in the compartment under-
neath the trunk floor).
Screw towing eye bolt to its stop and
tighten with lug wrench.
To reinstall cover:
Fit cover and snap into place.
iIf the battery is disconnected or
discharged
the SmartKey will not turn in the
starter switch. For more informa-
tion, see “Battery” (
page 420)
and “Jump starting” (page 423).
the gear selector lever will remain
locked in positionP. For informa-
tion on manually unlocking the
transmission gear selector lever
see (
page 400).
Page 446 of 498
444 Technical dataElectrical systemModel
CLK 320
CLK 500
CLK 55 AMG
Generator (alternator)
14 V/120 A
14 V/150 A
14 V/150 A
Starter motor
14 V/1.4 KW
14 V/1.7 KW
14 V/1.7 KW
Battery
12 V/100 Ah
12 V/100 Ah
12 V/100 Ah
Spark plugs
Bosch F8 DPP 332
NGK PFR 5R-11
Bosch F8 DPP 332
NGK PFR 5R-11
NGK ILFR 6A
Electrode gap
0.039 in (1.00 mm)
0.039 in (1.00 mm)
0.031 in (0.8 mm)
Tightening torque
18.5 - 22 lb-ft (25 - 30 Nm)
18.5 - 22 lb-ft (25 - 30 Nm)
18.5 - 22 lb-ft (25 - 30 Nm)
Page 462 of 498

460 Technical termsTele Aid System
(T
elematic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics”.Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).
Page 465 of 498

463 Index
Auto-dimming rear view mirrors 178
Automatic central locking
Activating/deactivating
(control system) 158
Automatic climate control 194
Activating 195
Adjusting air distribution 198
Air recirculation mode 201
Deactivating 195
Defrosting 200
Rear window defroster 183
Setting the temperature 197
Automatic headlamp mode 125
Automatic lighting control
Activating 132
Deactivating 132
Automatic locking when driving 110
Automatic shift program 170
Automatic time change
(Daylight Saving Time
(DST) summer/winter) 153Automatic transmission 165
Accelerator position 171
Comfort program mode 170
Emergency operation
(Limp Home Mode) 177
Fluid level 312
Gear ranges 168
Gear selector lever 165
Gear selector lever position 165, 169
Gear shifting malfunctions 177
Kickdown 171
Manual shifting 167
One-touch gearshifting 167
Program mode selector switch 170
Starting the engine 47
Transmission fluid 312
Auxiliary fuse box 432B
Backrest
Folding forward 268
Folding rearward 269
Backup lamp 405, 410
Bulbs 405
Back-up lamps
Bulbs 404
Bar 338
BAS 85, 455
Messages in display 366
Batteries, SmartKey
Check lamp 97, 102
Checking 97, 103
Replacing 402
Batteries, SmartKey with KEYLESS-GO*
Check lamp 97, 102
Checking 97, 103
Replacing 403
Battery discharged
Jump starting 423
Page 466 of 498

464 IndexBattery, vehicle 314, 420
Charging 422
Disconnecting 421
Messages in display 373
Reconnecting 422
Reinstalling 422
Removing 421
Bead 338
Bi-Xenon headlamps* 455
Block heater (Canada only) 343
Blocking
Rear window operation 82
Bolts
For spare wheel 396
Brake assist system (BAS) 455
Brake fluid 450
Message in display 374
Brake lamp bulbs 405
Brake lamp, high mounted 405
Brake pads
Message in display 374
Brakes 296
Warning lamp 355
Break-in period 294Bulbs, replacing 404
Additional turn signals 404
Backup lamps 405
Brake lamps 405
Fog lamps 404
Front lamps 404
High beam (Bi-Xenon*) 404
High beam (Halogen) 404
High beam flasher (Bi-Xenon*) 404
High beam flasher (Halogen) 404
High mounted brake lamp 405
License plate lamps 405, 410
Low beam (Bi-Xenon*) 404
Low beam (Halogen) 404
Parking lamps 404, 405, 407, 409
Rear fog lamp 405, 410
Side marker lamps 404, 409
Standing lamps 404, 405, 407, 409
Tail lamp assemblies 405, 410
Turn signal lamps 404, 405
Button
Audio system 210C
CAC (Customer Assistance Center) 455
Calling up
Maintenance service indicator 345
Range (distance to empty) 162
CAN system 455
Canceling
Cruise control 257
Capacities
Fuels, coolants, lubricants, etc. 447
Cargo tie-down rings 271
Catalytic converter 303
CD changer* 225
CD operation 225
CD player
Operating 144
Center console 27
Front passenger front
air bag off indicator lamp 360
Lower part 28
Upper part 27
Centigrade
Setting temperature units 149
Page 467 of 498

465 Index
Central locking
Automatic 110
From inside 110
Switch 110
Switching on/off
(control system) 158
Unlocking from inside 110
Central locking switch 110
Changing
CDs 225
Key setting 158
Charcoal filter 202
Activating 203
Deactivating 203
Charging
Vehicle battery 422
CHECK ENGINE
malfunction indicator lamp 356
Checking
Coolant level 313
Oil level 307, 310
Tire inflate pressure 307
Vehicle lighting 307Child safety 70
Air bags 62
Front passenger front
air bag off indicator lamp 77
Infant and child
restraint systems 67, 70
LATCH child seat anchors 80
OCS 73
Child safety switch see
Blocking of rear window operation
Child seat anchors see
LATCH child seat anchors
Cigarette lighter 277Cleaning 347
Cup holder 351
Gear selector lever 351
Hard plastic trim items 351
Headlamps 178
Headliner 352
Instrument cluster 351
Leather upholstery 352
Light alloy wheels 351
Nubuck leather upholstery
(CLK 55 AMG) 352
Parktronic system* sensor 350
Plastic and rubber parts 352
Seat belts 352
Steering wheel 351
Upholstery 352
Windows 351
Windshield 53
Wiper blades 350
Wood trims 352
Cleaning and care of vehicle 347
Cleaning tires 318
Page 470 of 498

468 Index
Headlamps 56
Immobilizer 89
Interior lighting
delayed switch-off 157
Rear window defroster 183
Residual heat 205
Seat heating* 119
Seat ventilation* 120
Tow-away alarm 91, 92
Deep water see Standing water
Defogging
Windshield 189, 199
Defrosting 189, 200
Delayed switch-off
Interior lighting 157
Department of Transportation see DOT
Dialing
A number (telephone) 163
Difficulties
While driving see
Problems while driving
With starting 48
Digital speedometer 142
Direction of rotation (tires) 319
Discharged battery
Jump starting 423Disconnecting
Vehicle battery 421
Display
Selecting 150, 151
Display elements
Audio system 208
Displays
Digital speedometer 142
Maintenance service indicator 344
Messages 311, 362
Selecting 150
Showing vehicle
status message memory 145
Distance to empty (range)
Calling up 160
Door control panel 30
Door entry lamps 133
Door handle 30
Door unlock
With Tele Aid 286
Doors
Message in display 378
Opening from inside vehicle 105
Opening from outside 96, 101
DOT 338Downhill driving
Cruise control 257
Downshifting
Automatic transmission 167
Drinking and driving 295
Driving
General instructions 43, 295
Hydroplaning 299
In winter 301
Problems 54
Safety systems 84
Through standing water 302
Traveling abroad 302
Driving instructions 295
Driving off 297
Driving safety systems
ABS 84
BAS 85
ESP 86
Driving systems 255
Cruise control 255
Parktronic system* 260