Page 7 of 394

Contents
Practical hints................................. 275
What to do if …?................................. 276
Lamps in instrument cluster ........ 276
Lamp in center console................ 282
Messages in the display ............... 283
Where will I find...? ............................ 305
First aid kit ................................... 305
Vehicle tool kit ............................. 305
Minispare wheel ........................... 307
Unlocking/locking in an emergency .. 310
Unlocking the vehicle ................... 310
Locking the vehicle ...................... 311
Changing batteries ....................... 312
Fuel filler flap ............................... 313
Manually unlocking the
transmission selector lever .......... 313
Opening/closing in an emergency..... 314
Sliding/pop-up roof ..................... 314
Replacing bulbs ................................. 316
Bulbs ............................................ 316
Replacing bulbs for front lamps ... 318
Side marker lamp bulb ................. 321
Replacing bulbs for rear lamps..... 322Replacing wiper blades....................... 323
Removing ...................................... 323
Installing ....................................... 323
Flat tire ............................................... 324
Preparing the vehicle .................... 324
Mounting the Minispare wheel ...... 324
Battery................................................ 329
Disconnecting the battery............. 330
Removing the batteries ................. 330
Charging and
reinstalling batteries ..................... 330
Reconnecting the batteries ........... 331
Jump starting ...................................... 332
Towing the vehicle .............................. 334
Towing the vehicle ........................ 334
Installing towing eye bolt .............. 336
Fuses .................................................. 337
Fuse box in
passenger compartment ............... 337
Fuse box in engine compartment.. 337
Auxiliary fuse box in trunk............. 338
Technical data.................................. 339
Spare parts service ............................ 340
Warranty coverage ............................. 341
Loss of Service and Warranty
Information Booklet ...................... 341
Identification labels ............................ 342
Layout of poly-V-belt drive.................. 343
CLK320 / CLK500 /
CLK 55 AMG ................................. 343
Engine ................................................ 344
Rims and tires .................................... 345
Same size tires ............................. 345
Mixed size tires ............................. 346
Minispare wheel............................ 347
Electrical system ................................ 348
Main dimensions ................................ 349
Weights .............................................. 350
Page 253 of 394

253 Operation
Engine compartment
Engine compartment
Hood
Opening
1Hood lock release
Pull lever 1 downwards.
The hood is unlocked.
2Lever for opening the hood
Push lever 2 on the hood upwards.
Pull up on the hood and then release it.
The hood will be automatically held
open at shoulder height by gas-filled
struts.
Warning!
G
Do not pull the release lever while the vehi-
cle is in motion. Otherwise the hood could
be forced open by passing air flow.
!To avoid damage to the windshield wip-
ers or hood, never open the hood if the
wiper arms are folded forward away
from the windshield.
Warning!
G
To help prevent personal injury, stay clear of
moving parts when the hood is open and the
engine is running. Make sure the hood is
properly closed before driving. When closing
the hood, use extreme caution not to catch
hands or fingers.
The radiator fan may continue to run for ap-
proximately 30 seconds or may even restart
after the engine has been turned off. Stay
clear of fan blades.
Page 272 of 394

272 OperationVehicle careCleaning the Parktronic* system
sensors
1Parktronic* sensors
Use a mild car wash detergent, such as
Mercedes-Benz approved Car Shampoo
with plenty of water.
When using a steam cleaner or power
washer, aim nozzle only briefly from a min-
imum distance of 4 in. (10 cm) at
sensors1.
To prevent scratches, never apply strong
force and only use a soft, non-scratchy
cloth when cleaning the sensor. Do not at-
tempt to wipe dirty sensors with a dry cloth
or sponge.Wiper blades
Clean the wiper blade inserts with a clean
cloth and detergent solution.
Window cleaning
Use a window cleaning solution on all glass
surfaces. An automotive glass cleaner is
recommended.Light alloy wheels
Mercedes-Benz approved Wheel Care
should be used for regular cleaning of the
light alloy wheels.
If possible, clean wheels once a week with
Mercedes-Benz approved Wheel Care, us-
ing a soft bristle brush and a strong spray
of water.
Follow instructions on container.
iFor safety reasons, switch off wipers
and remove key from starter switch be-
fore cleaning the wiper blades, other-
wise the wiper motor can suddenly turn
on and cause injury.!Fold the windshield wiper arms back
onto the windshield before turning the
key in the starter switch.
iFor safety reasons, switch off wipers
and remove key from starter switch be-
fore cleaning the windshield, otherwise
the wiper motor can suddenly turn on
and cause injury.iOnly use acid-free cleaning materials.
Acid could lead to corrosion.
Page 275 of 394
275 Practical hints
What to do if …?
Where will I find...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses
Page 323 of 394
323 Practical hints
Replacing wiper blades
Replacing wiper blades
Removing
Fold the wiper arm forward.
1Lock
2Unlock
Pull the tab in the direction of arrow2
and remove windshield wiper.
Installing
Slide the wiper blade into the cutout on
the wiper arm.
Slide the tab back in the direction of
arrow1 until it audibly engages.
Fold the wiper arm backward to rest on
the windshield.
Warning!
G
For safety reasons, remove key from starter
switch before replacing a wiper blade, other-
wise the motor could suddenly turn on and
cause injury.
!Never open the hood when the wiper
arm is folded forward.
Do not allow the wiper arms to contact
the windshield glass without a wiper
blade inserted.
Make certain that the wiper blades are
properly installed. Improperly installed
wiper blades may cause windshield
damage.
For your convenience, we recommend
that you have this work carried out by
an authorized Mercedes-Benz Center.
Page 371 of 394

371 Index
Child safety 66
Airbags 58
Infant and child restraint systems 62,
66
LATCH child seat mounts 71
Child safety switch see Blocking of rear
window operation 72
Child seat mounts see LATCH child seat
mounts 71
Cigarette lighter 224Cleaning
Cup holder 273
Distronic* system sensor cover 271
Gear selector lever 273
Hard plastic trim items 273
Headlamps 151
Headliner 273
Instrument cluster 273
Leather upholstery 273
Light alloy wheels 272
Parktronic* system sensor 272
Plastic and rubber parts 273
Seat belts 273
Steering wheel 273
Windows 272
Windshield 48
Wiper blades 272
Clock 23, 128Closing
Cup holder 220, 221
Glove box 219
Hood 254
Side windows 187
Side windows with KEYLESS-GO* 91
Sliding/pop-up roof 190, 314
Sliding/pop-up roof with KEY-
LESS-GO* 189, 192
Sliding/pop-up roof with SmartKey
191
Sliding/pop-up roof* with KEY-
LESS-GO* 91
Trunk 94
Windows 187
Windows with KEYLESS-GO* 189, 192
Windows with SmartKey 188
Closing sliding/pop-up roof
In an emergency 314
Cockpit 20, 362
Cockpit management and data system
(COMAND*) 362
COMAND* 362
COMAND* see separate operating instruc-
tions
Page 377 of 394

377 Index
GPS 363
GPS see COMAND* 233
H
Hand-held transmitter
Programming integrated remote con-
trol 236
Hands-free microphone 27
Hard plastic trim items
Cleaning 273
Hazard warning flasher 108
Switching off 108
Switching on 108
Head restraints 97
Headlamp cleaning system* 259
Headlamps
Automatic control 106
Bi-Xenon 361
Cleaning 271
Cleaning system* 151, 259
Refilling washer fluid 259
Switching off 51
Switching on 46
Washer fluid 357
Washer system* 357
Headliner
Cleaning 273Heated seats* 101
Height adjustment
Head restraints 36
Steering wheel 37
High beam flasher 47, 108
High beam headlamps
Messages in display 298
Replacing bulbs 317, 319
Switching on 108
High mounted brake lamp 317
Hood 253
Closing 254
Message in display 296
Opening 253
Hydroplaning 245
I
Identification labels 342
Ignition 31, 33
Switching on 44
Immobilizer 79
Activating 79
Deactivating 79
Indicator lamps see Lamps, indicator and
warningInfant and child restraint systems 66
Installing 70
LATCH child seat mounts 71
Information
About service and warranty 10
Button for Tele Aid* 232
Inside rear view mirror
Adjusting 38
Antiglare 149
Installing
Infant and child restraint systems 70
Towing eye bolt 336
Wiper blades 323
Instrument cluster 22, 111, 363
Cleaning 273
Coolant temperature display 112
Illumination 111
Lamps in 276–280
Multifunction display 114
Outside temperature indicator 113
Selecting language 127
Instruments and controls see Cockpit 20
Page 384 of 394

384 IndexRear fog lamp 317
Bulb 317
Switching on 107
Rear lamp bulbs
Replacing 322
Rear lamps see Tail lamps
Rear passenger compartment
Adjustable air vents 164
Rear seat head restraints
Folding back with release button 99
Folding back with switch 98
Installing 99
Placing upright 99
Rear seats 98
Removing 99
Rear seats
Rear seat head restraints 98
Rear view mirror automatic antiglare 149
Rear view mirrors see Mirrors
Rear window
Blocking operation 72
Rear window defroster 162
Activating 162
Deactivating 162
Rear window sunshade* 153Reconnecting
Vehicle battery 331
Refrigerant
Air conditioning 353
Regular checks 252
Reinstalling vehicle battery 330
Remote controls
Integrated 236
SmartKey 84
SmartKey with KEYLESS-GO* 88
Remote door unlock
With Tele Aid* 234
Remote Vehicle Diagnostics 365
Removing
Ski sack 215
Vehicle battery 330
Wheel 326
Wiper blades 323Replacing
Backup lamp bulbs 322
Brake lamp bulbs 322
Bulbs 316
Front lamp bulbs 318
Front turn signal bulbs 319
Fuses 338
High beam bulbs 319
License plate lamp bulbs 322
Low beam bulbs 319
Parking lamp bulbs 319, 321
Rear fog lamp bulbs 322
Rear lamp bulbs 317, 322
Rear turn signal bulbs 322
Side marker lamp bulbs 321
Standing lamp bulbs 319, 321
Wiper blades 323
Reporting
Safety defects 18
Reset knob in the instrument cluster 124