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 214 of 394
214 Controls in detailLoading
Wrap strap around ski sack and arm-
rest.
Close clasp (arrows) and pull strap
tight to immobilize skis.
Connect snap hook4 of front strap to
eye5 located on center tunnel in front
of rear seat bench.Unloading and folding
Loosen strap, open clasp by pressing
tabs together (arrows).
Unload skis.
Close flap in trunk.
Disconnect snap hook4 from eye5.
Fold and flatten ski sack lengthwise
and place folded ski sack inside recess
of backrest.
Page 252 of 394

252 OperationAt the gas station
Check regularly and before a long trip
1Coolant level
More information on coolant can be
found in the “Operation” section on
(
page 256).
2Brake fluid (fuse box cover removed)
More information on brake fluid can be
found in the “Technical data” section
on (page 353).
3Windshield washer and headlamp
cleaning system
More information on refilling the reser-
voir can be found in the “Operation”
section on (
page 259).Engine oil level
More information on engine oil can be
found in the “Operation” section on
(
page 254).
Vehicle lighting
Check function and cleanliness.More infor-
mation on replacing light bulbs can be
found in the “Practical hints” section on
(page 316).
Tire inflation pressure
More information on tire inflate pressure
can be found in the “Operation” section on
(page 262).
Opening hood see (
page 253).
Removing fuse box cover see
(
page 337).
Exterior lamp switch see (
page 105)
iLeaving the engine running and the fuel
cap open can cause the
?
lamp to
illuminate.
More information can be found in the
“Practical hints” section (
page 280).
Page 324 of 394

324 Practical hintsFlat tire
Flat tirePreparing the vehicle
Park the vehicle as far as possible from
moving traffic on a hard surface.
Turn on the hazard warning flashers.
Engage the steering wheel lock in the
straight ahead position and set the
parking brake.
Move the selector lever toP.
Have any passenger exit the vehicle at
a safe distance from the roadway.
Mounting the Minispare wheel
In case of a flat tire, you may temporarily
use the spare wheel when observing the
following restrictions:
Do not exceed a vehicle speed of
50 mph (80 km/h).
Drive to the nearest tire repair facility
to have the flat tire repaired or re-
placed as appropriate.
Do not operate the vehicle with more
than one spare wheel mounted.Preparing the vehicle
Prepare the vehicle as described on
(
page 324).
Take the wheel wrench and the jack
out of the trunk (
page 307).
Take the Minispare wheel out of the
trunk (
page 307).
Lifting the vehicle
Prevent the vehicle from rolling away
by blocking wheels with wheel chocks
(not included) or other sizable objects.
When changing wheel on a level surface:
Place one chock in front of and one be-
hind the wheel that is diagonally oppo-
site to the wheel being changed.
When changing wheel on a hill:
Place chocks on the downhill side
blocking both wheels of the other axle.
Warning!
G
The dimensions of the Minispare wheel are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a Minispare wheel
mounted.
The spare wheel should only be used tempo-
rarily, and should be replaced with a regular
road wheel as quickly as possible.
Page 328 of 394
328 Practical hintsFlat tireLowering the vehicle
Lower vehicle by turning crank coun-
terclockwise until the full weight of the
vehicle is resting on the ground.
Remove the jack.
1-5 Wheel bolts
Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight.
Observe a tightening torque of 80 ft lb
(110 Nm).
Before storing the jack in the trunk, it
should be fully collapsed, with handle
folded in.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 ft lb (110 Nm).
Page 390 of 394

390 IndexTelephone* 24, 226
Answering a call 139
Dialing a number from the phone book
139
Ending a call 139
Hands-free microphone 27
Loading phone book* 139
Messages in display 301
Operating 138
Operation 182
Redialing 140
Temperature
Display mode 126
Grades of tires 359
Setting interior temperature 157
Setting units in display 126
Tires 262
Tie-down rings (Trunk) 218
Tightening torque 366
Tightening torque (Wheel bolts) 328
Time
Setting hours 128
Setting minutes 129
Tire inflation pressure
Checking 252, 262
Tire speed rating 245, 366Tire traction 245
Tires 260, 345
Consumer information 358
Direction of rotation 261
Driving instructions 244
Retreads 260
Rims and tires 345
Service life 261
Temperature 262
Temperature grades 359
Tread depth 264
Wear pattern 263
Winter 264
Tools 305
Tow-away alarm 25, 81
Arming 81
Disarming 81
Disarming for transport 81
Towing eye bolt (vehicle tool kit)
Installing 336
Towing the vehicle 334
Tracking services
For stolen vehicle 235
Traction 145, 358, 366
Transmission see Automatic transmission
256Transmission selector lever 313
Unlocking manually 313
Traveling abroad 247
Tread depth (tires) 264
Tread wear 358
Trip computer 136
Trip odometer
Resetting 112
Trunk
Auxiliary fuse box 338
Closing 94
Lock button, KEYLESS-GO* 91
Locking separately 94
Message in display 301
Opening 87
Opening from inside vehicle 92
Tie-down rings 218
Trunk lid 87
Trunk lock 311
Unlocking in an emergency 311
Unlocking separately 95
Unlocking with KEYLESS-GO* 90
Unlocking with SmartKey 86
Trunk lid emergency release 93
Turn signal lamps
Replacing bulbs 317