2007 MERCEDES-BENZ C230 wheel bolts

379 Practical hints
Flat tire
1Take-up bracket
2Jack
Place jack2 on firm ground.
Position jack2 under take-up
bracket1 so that it is always vertical
(plumb-line) as seen from the side,
even if the vehicle is parked on an
incline.
Jack up the vehicle until the wheel is a
maximum of 1.2 in (3 cm) from the
ground. Never start engine while
vehicle is raised.Removing the wheel
1Alignment bolt
Unscrew upper-most wheel bolt and
remove.
Replace this wheel bolt with alignment
bolt1 supplied in the tool kit.
Remove the remaining bolts.
Remove the wheel.
Warning!G
The jack is intended only for lifting the
vehicle briefly for wheel changes. It is not
suited for performing maintenance work
under the vehicle.

Never start the engine when the vehicle
is raised.

Never lie down under the raised vehicle.
!Do not place wheel bolts in sand or dirt. This
could result in damage to the bolts and wheel
hub threads.

380 Practical hints
Flat tire
Mounting the spare wheel
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel (locat-
ed in trunk with spare wheel)
Clean contact surfaces of wheel and
wheel hub.
Guide spare wheel onto the alignment
bolt and push it on.
Insert wheel bolts and tighten them
slightly.
!Wheel bolts2 must be used when mount-
ing the Minispare wheel. The use of any wheel
bolts other than wheel bolts2 for the Minispare
wheel will physically 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.
Make sure to use the correct wheel bolts.

381 Practical hints
Flat tire
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.Lowering the vehicle
Lower vehicle by turning crank
counterclockwise until vehicle is
resting fully on its own weight.
Remove the jack.
1 - 5Wheel bolts
Tighten the five wheel bolts evenly,
following the diagonal sequence
illustrated (1to5), until all bolts are
tight. Observe a tightening torque
of 80 lb-ft (110 Nm).Before storing the jack, it should be fully
collapsed, with handle folded in (storage
position) (
page 358).
Store the jack and the other vehicle
tools in the trunk.
Warning!G
Only use genuine equipment
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
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).

420 Index
Audio system 187
Audio and telephone, operation 187
Button and soft key operation 190
CD changer* with MP3 202
CD operation 201
Operating and display elements 188
Operating audio system 190
Operating safety 187
Radio operation 194
Telephone* operation 208
Auto-dimming mirror* 161
Automatic central locking
Activating/deactivating
(Control system) 143
Automatic climate control* 174
Control panel 175
Defrosting, front 179
Rear window defroster 163
Automatic headlamp mode 110
Automatic locking when driving 99
Automatic shift program 157
Automatic time change (Standard time,
Daylight Saving time) 137Automatic transmission 151
Accelerator position 155
Automatic shift program 157
Emergency operation
(limp-home mode) 159
Gear ranges 156
Gear selector lever 151
Gear selector lever positions 153
Gear shifting malfunctions 159
Kickdown 155
One-touch gearshifting 158
Program mode selector switch 157
Shifting procedure 152
Automatic transmission*
Fluid level (ATF) 277
Starting engine 47B
Backrest
Driver’s multicontour seat*
(Canada only) 105
Rear seat, folding 234
Seat, manual 35
Seat, power* 37
Backup lamps
Messages in display 352
Replacing bulbs 368
Bar 304
BAS 84
Batteries, SmartKey
Changing 366
Checking battery condition 95
Battery, Vehicle 279, 383
Charging 385
Disconnecting and connecting 384
Jump starting 386
Removing and installing 384
Bead 304
Block heater (Canada only) 309
Bolts, Spare wheel 360

433 Index
Side marker lamps
Cleaning lenses 316
Messages in display 350
Replacing bulbs 373
Side windows see Power windows
Sidewall 306
Ski sack* (Canada only) 230, 232, 233
SmartKey see Key, SmartKey
Snow chains 309
Sound system* 191
Spare fuses 391
Spare wheel 406
Bolts 360
Mounting 377
Speed settings
Cruise control 229
Speedometer 25, 134
Split rear bench seat* 233
SRS 70
Indicator lamp 25, 330
Message in display 342
Standing lamps
Replacing bulbs 368
Standing water, Driving through 268Starter switch 23, 32
Positions 32
Starting difficulties, Engine 47
Steering column 39, 40
Easy entry/exit feature* 40
Steering gear oil
Message in display 354
Steering wheel 38
Buttons 26
Cleaning 319
Electrical adjustment* 40
Lock 47
Manual adjustment 39
Stolen vehicle
Recovery services 253
Storage compartments
Armrest, Front 238
Cup holder 239
Glove box 237
Parcel net in
front passenger footwell 239
Telephone* 238
Storing (memory function*)
Positions into memory 108Storing tires 283
Submenus see Control system submenus
Substitute lamps
Bulbs 367
Summer opening feature 223
Sun visors 161
Sunshade* 162
Switching
Fuel (Flexible fuel vehicle) 415
Symbols used
in this operator’s manual 15

434 Index
T
Tachometer 25, 120
Overspeed range 120
Tail lamps
Cleaning 316
Messages in display 352
Replacing bulbs 368, 373
Tar stains 314
Technical data
Air conditioning refrigerant 412
Brake fluid 412
Coolant 409, 410, 416
Electrical system 407
Engine 401
Engine oil additives 412
Engine oils 412
Flexible fuel vehicles 414
Fuel requirements 414
Fuels 409, 411
Fuels, coolants, lubricants, etc. 409
Gasoline additives 413
Lubricants 409
Premium unleaded gasoline 413
Rims and tires 403
Weights 408
Windshield washer 411Windshield washer and headlamp
cleaning* system 411, 418
Tele Aid* 247, 252
Emergency calls 248
Hands-free microphone 29
Information 251
Initiating an
emergency call manually 249
Message in display 355
Remote door unlock 252
Roadside Assistance 250
SOS button 249
Stolen Vehicle
Recovery services 253
System self-check 248
Telephone* 26, 244
Answering/ending a call 147
Changing mobile phone cradle 246
Compartment 238
Hands-free microphone 29
Inserting in cradle 245
Installing a different
mobile phone cradle 246
Message in display 355
Operation 146, 208
Phone book 147Redialing 148
Removing from cradle 246
Temperature
Display mode 126
Interior temperature 168
Tether attachment points, see
Children in the vehicle
Tie-down rings*, Trunk 236
Tightening torque, Wheel bolts 381
Tilt/sliding sunroof* see
Power tilt/sliding sunroof*
Time 136
TIN 306
Tire and loading Information
Placard 285
Terminology 304
Tires 281, 403
Air pressure 304
Care and maintenance 282
Chains 309
Cleaning 283, 314
Direction of rotation 284
Driving instructions 264

436 Index
Individual settings 131, 132
Locking/unlocking 100
Locking/unlocking
in an emergency 361, 362
Lowering 381
Modifications and alterations,
Operating safety 16
Towing 388
Washing 314, 315
Weights 408
With flexible fuel 414
Vehicle jack 357
Vehicle lighting 273
Vehicle loading
Cargo tie-down rings* 236
Instructions 235, 284
Load limit 408
Roof rack* 230
Split rear bench seat* 233
Terminology 304
Vehicle maximum load on the tire 307
Vehicle recovery services,
Stolen (Tele Aid*) 247
Vehicle status message memory 130
Vehicle tool kit 356
VIN 398Voice control system*,
Hands-free microphone 29
W
Warning lamps see
Lamps, indicator and warning
Warning sounds
Driver’s or passenger’s seat belt 71
Parking brake 48
Seat belt telltale 328, 329
Warranty coverage 10, 397
Washer fluid see Windshield washer fluid
Washer reservoir level 273
Washing the vehicle 313
Wear pattern (tires) 307
Weights, Vehicle 408
Wheel
Bolts 360
Change 381
Removing 379
Spare 357, 359, 406
Tightening torque 381
Wheels, Tires 281
Window curtain air bags 64
Windows see Power windowsWindshield
Cleaning 317
Defogging 170, 180
Replacing wiper blades 375
Washer fluid 280, 418
Washer system 418
Windshield washer fluid 418
Message in display 355
Mixing ratio 418
Refilling 280
Wiping with 52
Windshield washer system 418
Windshield wipers 51
Cleaning 317
Replacing wiper blades 375
Winter driving 308
Block heater (Canada only) 309
Snow chains 309
Tires 308
Winter driving instructions 267
Winter tires 308
Wiper blades
Cleaning 317
Replacing 375
Wood trims, Cleaning 320