Page 7 of 464

Contents
Practical hints................................. 341
What to do if … .................................. 342
Lamps in instrument cluster ........ 342
Lamp in center console ................ 347
Vehicle status messages in the
multifunction display .................... 348
Where will I find...? ............................ 369
First aid kit ................................... 369
Vehicle tool kit, vehicle jack......... 369
Spare wheel with collapsible tire.. 371
Spare wheel bolts ........................ 373
Unlocking/locking in an emergency .. 374
Unlocking the vehicle ................... 374
Locking the vehicle ...................... 375
Manually unlocking the gear
selector lever
(automatic transmission*) ........... 376
Opening/closing in an emergency..... 377
Raising retractable hardtop
manually ...................................... 377
Replacing SmartKey batteries ........... 378
SmartKey ..................................... 379Replacing bulbs .................................. 380
Bulbs ............................................. 380
Replacing bulbs for front lamps .... 382
Replacing bulbs for rear lamps ..... 384
Replacing wiper blades....................... 386
Removing wiper blades ................. 386
Installing wiper blades .................. 387
Flat tire ............................................... 388
Preparing the vehicle .................... 388
Mounting the spare wheel ............ 388
Battery................................................ 396
Disconnecting the battery............. 397
Removing the battery.................... 397
Charging and reinstalling battery .. 397
Reconnecting the battery.............. 398
Jump starting ...................................... 399
Towing the vehicle .............................. 401
Installing towing eye bolt .............. 403
Fuses .................................................. 404
Aids for changing fuses................. 404
Main fuse box in passenger
compartment ................................ 405
Fuse box in engine compartment.. 406
Technical data.................................. 407
Parts service ...................................... 408
Warranty coverage ............................. 409
Loss of Service and Warranty
Information Booklet ...................... 409
Identification labels ............................ 410
Layout of poly-V-belt drive.................. 411
SLK 350 ........................................ 411
SLK 55 AMG ................................. 411
Engine ................................................ 412
Rims and tires .................................... 413
Same size tires ............................. 414
Mixed size tires ............................. 416
Spare wheel with collapsible tire .. 418
Electrical system ................................ 419
Main Dimensions................................ 420
Weights .............................................. 421
Page 341 of 464
341 Practical hints
What to do if …
Where will I find...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Replacing SmartKey batteries
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses
Page 369 of 464
369 Practical hints
Where will I find...?
Where will I find...?
First aid kit
The first aid kit is stored in a parcel net
behind the driver’s seat.Vehicle tool kit, vehicle jack
The vehicle tool kit is stored in a storage
compartment under the trunk floor.
The following is included:
Collapsible chock
Vehicle jack
Protective wrap
Alignment bolt
Towing eye bolt
Wheel wrench
Spare fuses
Fuse extractor
Valve extractor
Electric air pumpRemoving the vehicle tool kit
1Spare wheel
2Vehicle tool kit (under collapsible tire,
together with wheel bolts for spare
wheel with collapsible tire)
3Retaining screw
Lift up trunk floor.
Loosen retaining screw3 by turning it
counter-clockwise.
Remove spare wheel1.
Remove vehicle tool kit2.1Collapsible chock
2Vehicle jack
3Protective wrap
4Alignment bolt
5Towing eye bolt
6Wheel wrench
7Spare fuses, fuse extractor and valve
extractor
8Electric air pump
Page 404 of 464

404 Practical hintsFusesThe electrical fuses in your vehicle serve to
stop the supply of electricity to a device
that is malfunctioning. This helps to
prevent damage to the other vehicle
electronics.
The following aids are available to help you
change fuses:
Fuse chart
Spare fuses
Fuse extractor
The electrical fuses are located in different
fuse boxes:
Main fuse box in passenger compart-
ment (
page 405).
Fuse box in engine compartment
(page 406).
Aids for changing fuses
Fuse chart
The fuse chart is found in the main fuse
box in the passenger compartment
(page 405). The amperages of the fuses
are also given there.
Spare fuses
Spare fuses are found in the vehicle tool kit
in the spare wheel well (
page 369).
Fuse extractor
The fuse extractor is also found in the vehi-
cle tool kit in the spare wheel well
(
page 369).
Warning!
G
Only use fuses approved for Mercedes-Benz
with the specified amperage for the system
in question. Otherwise, a short circuit could
result and cause a fire.
!Only install fuses that have been tested
and approved by Mercedes-Benz and
that have the specified amperage rat-
ing.
Otherwise, electrical parts or systems
could be damaged.
Never attempt to repair or bridge a
blown fuse. Have the cause determined
and remedied by an authorized
Mercedes-Benz Center.
Page 405 of 464
405 Practical hintsFuses
Main fuse box in passenger compartment
1Main fuse box coverOpening
Open the driver’s door.
Insert flat, blunt object as a lever into
the edge of cover1 at the position in-
dicated by the arrow.
Loosen cover1 from dashboard using
the lever.
Using your hands, pull cover1 out
and remove.Closing
Attach cover1 in the front.
Fold cover1 in until it engages.
!Do not use sharp objects such as a
screw driver to open the fuse box
cover1 in the dashboard, as this
could damage it.
Page 406 of 464
406 Practical hintsFusesFuse box in engine compartment
The fuse box is located in the engine com-
partment on the driver’s side.
1Fuse box
2Clamp
3Fuse box coverOpening
Open the hood (
page 287).
With a dry cloth, remove any moisture
from the fuse box.
Release clamps2.
Remove fuse box cover3.Closing
Make sure the sealing rubber is proper-
ly positioned.
Press fuse box cover3 down and se-
cure with clamps2.
Page 445 of 464

445 Index
ESP 82
Description 432
Display message 352
On/off switch 84
Warning lamp 345
ETD 71, 72
Description 433
Safety guidelines 66
Seat belt force limiter 72
Exterior lamp switch 106
Exterior lighting
Lamps 381
Replacing bulbs 380
Exterior rear view mirrors see MirrorsF
First aid kit 369
Flat tire 388
Inflating collapsible spare tire 393
Lifting vehicle 389
Lowering vehicle 395
Mounting spare wheel 388, 391
Removing wheel 391
Floormat (Driver’s side only) 255
Fog lamps 109, 381
Cornering fog lamps 111
FSS (Canada vehicles)
Control system 329
Description 433
Fuel
Additives 425
Consumption statistics
(Control system) 144
Filler flap 284
MON 284
Premium unleaded
gasoline 284, 425
Refueling 284
Requirements 425
Reserve warning lamp 345, 346RON 284
Saving fuel 273
Technical data 422
Fuel filler flap
Localization 25, 284
Fuel gauge (Instrument cluster) 25
Fuel tank capacity 423
Fuse extractor (Vehicle tool kit) 369
Fuses 404
Auxiliary fuse box 406
Main fuse box 405
Spare fuses (Vehicle tool kit) 369
Page 452 of 464

452 IndexPotential problems associated with
underinflated and overinflated
tires 311
Power assistance 273
Power seat see Seats
Power train, description 435
Power washer see Vehicle care
Power windows 232
Express-open/-close 233
Opening and closing 232
Operating rear side windows 234
Operating with retractable hardtop
switch 234
Stopping windows 234
Summer opening/convenience
closing 235
Synchronizing 236
Practical hints
Fuses 404
Lamps in instrument cluster 342
Spare wheel bolts 373
Towing vehicle 401
Vehicle jack 370
What to do if... 342
Premium unleaded gasoline 425Problems
Accident 55
Coolant too hot 55
Misfiring 55
Running erratically 55
While driving 55
With vehicle 17
Product information 9
Production options weight 324
Program mode selector switch
Automatic transmission 158
Description 435
PSI 324R
Radio
Operation (Audio system) 197
Operation (Control system) 123
Satellite (USA only) 124
Radio transmitters, control and
operation 281
Range (Distance to empty,
Control system) 146
Reading lamps 114
Rear view mirrors see Mirrors
Rear window defroster 171
Recommended inflation pressure 324
Recovery services for stolen vehicle 264
Refrigerant (Air conditioning) 424
Refueling 284
Regular checks 285
Remote
Door unlock with Tele Aid 263
Remote control see SmartKey
Removing
Vehicle tool kit 369
Reporting, safety defects 18
Research Octane Number see RON
Reset button (Instrument cluster) 25