2008 MERCEDES-BENZ SLK55AMG wheel bolts

417 Practical hints
Flat tire
Clean contact surfaces of wheel and
wheel hub.
Guide the spare wheel onto the align-
ment bolt and push it on.
Insert the wheel bolts and tighten them
slightly.
!Wheel bolts2 must be used when mount-
ing the spare wheel with collapsible tire. The use
of any wheel bolts other than wheel bolts2 for
the spare wheel with collapsible tire will physi-
cally damage the vehicle’s brakes.
!To avoid paint damage, place wheel flat
against hub and hold it there while installing first
wheel bolt.
Warning!G
Always replace wheel bolts that are
damaged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be
repaired immediately. Do not continue to
drive under these circumstances! Contact
an authorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect wheel bolts or improperly tight-
ened wheel bolts can cause the wheel to
come off. This could cause an accident. Be
sure to use the correct wheel bolts.


418 Practical hints
Flat tire
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Inflate the collapsible tire
(
page 418).Inflating the collapsible tire
1Flap
2Air pump switch
3Electrical plug
4Air hose with pressure gauge and vent
screw
5Union nut
Take the electric air pump out of the
trunk (
page 390).
Open flap1 on air pump.
Pull out electrical plug3 and air hose
with pressure gauge4.
Close vent screw on air hose4.
Remove the valve cap from the tire
valve.
Screw union nut5 onto the tire valve.
Make sure electric air pump switch2
is set to0.
Insert electrical plug3 into the power
outlet in the passenger footwell
(
page 257).
Turn the SmartKey in the starter switch
to position1.
Warning!G
Use only genuine Mercedes-Benz wheel
bolts. Other wheel bolts may come loose.
Do not tighten the wheel bolts when the
vehicle is raised. Otherwise the vehicle
could fall off the jack.Warning!G
Observe instructions on air pump label.
!Do not lower the vehicle before inflating the
collapsible tire. Otherwise the rim may be
damaged.
!The cigarette lighter (page 256) is not de-
signed for use with the electric air pump. Use the
power outlet in the passenger footwell
(
page 257) for electric air pump operation.


420 Practical hints
Flat tire
Lowering the vehicle
Lower vehicle by turning the crank
counterclockwise until vehicle is
resting fully on its own weight.
Remove the jack.
1-5 Wheel bolts
Tighten the five wheel bolts evenly in
the direction of the arrow, following the
diagonal sequence illustrated
(1to5), until all bolts are tight.
Observe a tightening torque of
80 lb-ft (110 Nm).
Fully collapse the jack.
Place the vehicle tool kit, electric air
pump, and the jack back in the storage
compartment underneath the trunk
floor.
Wrap the damaged wheel in the protec-
tive sheet provided with the vehicle
tool kit and put the wheel in the trunk.
For information on storing the spare wheel
in the trunk after it has been replaced by a
regular road wheel, see “Storing the spare
wheel with collapsible tire” (
page 392).
Warning!G
Inflate the collapsible tire using the electric
pump (
page 418) before lowering the
vehicle.
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 lb-ft (110 Nm).
iThe flat tire may be transported in the trunk
when the retractable hardtop is closed.

467 Index
O
Occupant Classification System see OCS
Occupant distribution 332
Occupant safety 64
OCS 71
Passenger front air bag off indicator
lamp 74
Seat belts 48, 68
SRS 64
OCS 71
Self-test 75
Oil see Engine oil
One-touch gearshifting
Gear selector lever 162
Steering wheel gearshift
control* 163
Operating safety 16, 193
Operating vehicle outside the USA and
Canada 13
Operator’s Manual 10
Ornamental moldings see Vehicle care
Outside temperature indicator 119, 128
Outside temperature/speed 140
Overhead control panel 31
Overspeed range 119P
Paintwork code 438
Paintwork see Vehicle care
Panic alarm 83
Parcel net (Storage compartment) 254
Parking 59, 282
Parking brake 53, 59
Parking lamps 109, 401
Parts service 436
PASS AIR BAG OFF indicator lamp see Pas-
senger front air bag off indicator lamp
Passenger air bag see Air bags
Passenger compartment 287
Passenger front air bag
Messages in the multifunction
display 365–368
Passenger front air bag off indicator
lamp 74, 358
Passenger safety see Occupant safety
Phone book see Telephone*
Plastic parts, cleaning 345
Poly-V-belt drive 440
Potential problems associated with under-
inflated and overinflated tires 320
Power outlet 257
Power seat* see SeatsPower washer see Vehicle care
Power windows 235
Operating rear side windows 237
Operating with retractable hardtop
switch 237
Summer opening/convenience
closing* 238
Synchronizing 239
Practical hints
Fuses 432
Lamps in instrument cluster 348
Spare wheel bolts 393
Towing vehicle 428
Vehicle jack 390
What to do if... 348
Premium unleaded gasoline 454
Problems
While driving 58
With vehicle 17
Product information 9
Production options weight 332
Program mode see Automatic transmis-
sion, Automatic shift program
Program mode selector switch
Automatic shift program 161
PSI 332

470 Index
Storage compartments 32, 253
Armrest 32, 253
Between seat backrests 32, 254
Cup holder 32, 255
Door pockets 32
Glove box 32, 253
Parcel net 32, 254
Storage tray 32
Telephone* 253
Telephone* compartment 32
Trunk 32
Storing tires 306
Summer opening*
Power windows 238
Retractable hardtop 244
Sun visors 169
Symbols in display 371
T
Tachometer 119
Tail lamps 402
Tar stains see Vehicle care
TDMA or CDMA network phones
(Telephone*) 226Technical data
Air conditioning refrigerant 453
Brake fluid 454
Coolants 456
Electrical system 448
Engine 441
Engine oil 453
Fuel additives 455
Fuel requirements 455
Fuels, coolants, lubricants, etc. 451
Headlamp cleaning system* 458
Main dimensions 449
Parts service 436
Premium unleaded gasoline 454
Rims and tires 442
Weights 450
Windshield washer system 458
Tele Aid system* 262
Call priority 268
Initiating an emergency call 265
Remote door unlock 269
Requirements 262
Roadside Assistance 266
Stolen Vehicle Recovery
services 269
System self-check 263Telephone* 259
Changing mobile phone cradle 261
GSM network phones 219
Inserting in cradle 260
Installing a different mobile phone
cradle 262
Operation 149, 193
Removing from cradle 261
Tightening torque
Wheel bolts 420
Time and date synchronization with head
unit* (Control system) 141
TIN 333
Tire and Loading Information 308
Tire and loading terminology 331
Tire care and maintenance 305
Tire Identification Number see TIN
Tire inflation pressure 411
Air pressure 331
Checking 311, 313
Checking tire pressure electronically,
Tire Pressure Monitoring System
(TPMS), (USA only) 317
Tire inspection 305
Tire load rating 333

472 Index
Useful features
Ashtray 255
Cigarette lighter 256
Cup holder 255
Floormat (Driver’s side only) 258
Garage door opener* 270
Heated steering wheel* 276
Parcel net 254
Power outlet 257
Storage compartments, interior 253
Tele Aid* 262
V
Vehicle
Battery 302, 422
Bulbs 400
Fuses 432
Individual settings (Control
system) 136
Jump starting 426
Lifting with jack 414
Locking 62
Proper use of 16
Towing 428
Unlocking/locking in an
emergency 394Vehicle capacity weight 333
Vehicle care 340
Chrome-plated exhaust tip 346
Vehicle Identification Number see VIN
Vehicle jack 390
Vehicle loading terminology 331
Vehicle status message memory menu
(Control system) 135
Vehicle tool kit 32, 389
Collapsible wheel chock 391
Vehicle washing see Vehicle care
VIN 439
W
Warning sounds
Anti-theft alarm system 90
Exterior lighting 62, 98, 109
Maintenance service indicator 338
Panic alarm 83
Parking brake 53, 350
Seat belts 78, 353, 354
Tow-away alarm 91
Warranty coverage 437
Washing the vehicle see Vehicle care
Wear pattern (Tires) 334
Weights 450
Wheel bolts 393Wheel chock (Vehicle tool kit) 389
Wheel wrench (Vehicle tool kit) 389
Wheels
Tightening torque 420
Wheels see Tires
Where will I find...? 389
Wind screen* 246
Windows see Power windows
Windshield
Washer fluid reservoir 301
Washer system 458
Windshield wipers 56
Replacing wiper blades 406
Wiper blades, cleaning 343
Winter driving 335
Instructions 286
Snow chains 336
Tires 335
Winter tires 335
Wood trims
Cleaning 346