Page 303 of 376

303
Practical hints
Flat tire
Removing the wheel
1 Alignment bolt
Unscrew upper-most wheel bolt and re-
move.
Replace this wheel bolt with the align-
ment bolt 1 supplied in the tool kit.
Remove the remaining bolts.
Remove the wheel. Mounting the new wheel
1 Wheel bolt for light alloy rims
2 Wheel bolt for light alloy spare wheel
rim size 4
1/2B x15 H2
Clean contact surfaces of wheel and
wheel hub.
Guide the spare wheel onto the align-
ment bolt and push it on.
Insert wheel bolts and tighten them
slightly.
Inflate the spare tire using the electric
pump (
page 304).
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolt
and wheel hub threads.
!Wheel bolts 2 must be used when
mounting spare wheel rim
size 4
1/2Bx15 H2 (
page 326).
The use of any wheel bolts other than
wheel bolts 2 for spare wheel rim
size 4
1/2B x15 H2 can cause physical
damage to the vehicle.
Warning!
G
Make sure to use original length wheel bolts
when remounting the original wheel after it
has been repaired.Warning!
G
Inflate spare wheel with collapsible tire only
after the wheel is properly mounted.
Inflate the spare wheel tire using the electric
air pump before lowering the vehicle.
Page 304 of 376

304 Practical hintsFlat tire
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.Inflating the spare tire
Take the electric air pump out of the
trunk.
1 Flap
2 Air hose with pressure gauge and vent
screw
3 Union nut
4 Electrical plug
Please exercise appropriate caution
!To avoid paint damage, place wheel flat
against hub and hold it there while in-
stalling first wheel bolt.Warning!
G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be re-
paired immediately. Do not continue to drive
under these circumstances! Contact an au-
thorized 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 mounting
bolts.
Warning!
G
Use only genuine equipment
Mercedes-Benz wheel bolts. Other wheel
bolts may come loose.
Do not tighten the wheel bolts when the ve-
hicle is raised. Otherwise the vehicle could
tip over.
Warning!
G
Observe instructions on air pump label.
Page 326 of 376
326 Technical dataRims and TiresSame size tiresSpare wheelModel
C 230 Kompressor (standard in U.S.A.;
optional in Canada)
Evolution Package
C320
Evolution Package
C 230 Kompressor (standard in Canada;
Canada only)
Rims (light alloy)
7 1/2J x17
7J x 16 H2
Wheel offset
1.46 in (37 mm)
1.46 in (37 mm)
Summer tires (radial-ply tires)
All season tires (radial-ply tires)
225/45 R17 91 W
1
1Must not be used with snow chains
205/55 R16 91 H
Winter tires (radial-ply tires)
225/45 R17 91 H M+S
1
205/55R16 91 H M+S
C230Kompressor
C320
Rim (light alloy)
4.5 B x 15 H2
4.5 B x 16 H2
Wheel offset
0.47 in (12 mm)
0.47 in (12 mm)
Collapsible Tire
165 - 15 89P
1
165/70 - 16 92P
1
1Must not be used with snow chains.
Page 342 of 376

342 Technical termsCollapsible tireAn especially compact spare tire that
must be inflated with a provided air
pump before using. It should only be
used to bring the vehicle to the nearest
service station.
COMAND* (C
ockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and navi-
gation system, as well as other optional
equipment (CD changer, telephone,
etc.).
Control system The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings. Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Engine number The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.
Engine oil viscosity Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP (E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability. ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRS
FSS (F
lexible S
ervice S
ystem)
Service indicator in the multifunction
display that informs the driver when
the next vehicle maintenance service is
due.
Gear range Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector le-
ver.
Page 349 of 376

349
Index
Automatic climate control
Deactivating 156
Automatic headlamp mode 99
Automatic lighting control Activating 103
Deactivating 103
Automatic locking when driving 87
Automatic transmission 139 Accelerator position 145
Emergency operation (Limp Home Mode) 145
Fluid level 241
Gear ranges 141
Gear selector lever position 142
Gear shifting malfunctions 145
Kickdown 145
Manual shifting 140
One-touch gearshifting 140
Program mode selector switch 144
Selector lever position 139 Starting with 45
Transmission fluid 241
Winter program mode 144
Auxiliary fuse box 318
B
BabySmartTM Airbag deactivation system 67, 341
Compatible child seats 67, 341
Self-test 68
Backrest Folding forward 198
Folding rearward 198
BAS 74, 341 Messages in display 265
Batteries, SmartKey Changing 290
Check lamp 83
Checking 84
Battery discharged Jump starting 310 Battery, vehicle 242, 307
Charging 308
Disconnecting 308
Messages in display 269
Reconnecting 308
Reinstalling 308
Removing 308
Bi-Xenon headlamps* 341
Bi-Xenon type Front lamp bulbs 296
Block heater 248
Bolts For spare wheel 287
Brake assist system (BAS) 341
Brake fluid 234, 332
Brake lamp bulbs 294
Brake lamp, high mounted 294
Brake pads Message in display 270
Brakes 224
Page 355 of 376

355
Index
Messages in display 238, 276
Viscosity 342
Engine oil level see Oil level 235
ESP 23, 75, 342 Messages in display 266
Switching off 76
Switching on 77
Synchronizing 266
Warning lamp 261
ETD 342 Safety guidelines 60
ETD (Emergency tensioning device) 64
Ethanol fuel At the gas station 233
Switching fuels 334
Exterior lamp switch 98
Exterior lamps Delayed shut-off 127
Exterior rear view mirror Activating parking position 147 Exterior rear view mirrors
Adjusting 40
Parking position for 132
F
Fahrenheit Setting temperature units 123
Fastening the seat belts 41
Fine adjustment Cruise control 196
First aid kit 284
Flat tire 301 Inflating the spare tire 304
Lowering the vehicle 306
Mounting the spare wheel 301
Preparing the vehicle 301
Spare wheel 285
Flexible fuel vehicles 334 At the gas station 233
Switching fuels 334
Flexible Service System (FSS) 249, 342 Fog lamp, front 101
Fog lamp, rear 101, 294
Fog lamps
Replacing bulbs 293
Fog lamps, front Messages in display 278
Replacing bulbs 294
Front airbags 61
Front fog lamp Switching on 101
Front lamps Bi-Xenon type 296
Halogen-type 295
Messages in display 277, 279
Replacing bulbs 293, 295
Switching on 98
Front seat backrest Folding backrest back 37
Folding backrest forward 36
Page 364 of 376

364 IndexPower windows 186Side windows 186
Synchronizing 188
Practical hints First aid kit 284
Fuses 317
Lamp in center console 263
Lamps in instrument cluster 258
Messages in the display 264
Spare wheel 285
Spare wheel bolts 287
Symbol messages 268
Text messages 265
Towing the vehicle 313
Vehicle jack 286
Vehicle tool kit 285
Premium unleaded gasoline 333
Problems While driving 50
Program mode selector switch 344 Automatic transmission 144
Programme type ID see PTY ID
PTY ID 168
Q
Quick search Phone book* 136
R
Radio Selecting stations 115
Station search 115
Station selection setting 128
Radio operation 165
Radio see Radio operation
Radio transmitters Control and operation 230
Range (distance to empty) Calling up 134
Rapid seat heating Switching on 94 RDS
Programme type ID 168
PTY ID 168
Reading lamp 27
Rear bench seat Foldable 197
Rear fog lamp 294 Bulb 294
Switching on 101
Rear head restraint tilt 92
Rear lamp bulbs Replacing 298
Rear lamps see Tail lamps
Rear passenger compartment Adjustable air outlets 158
Rear seat head restraints 91, 93 Adjusting 91
Folding back 92
Installing 93
Placing upright 92
Page 366 of 376

366 IndexRON 234
RON (Research Octane Number) 344
Roof rack 197
Rotating wheels 246
Rubber partsCleaning 256
S
Safety Occupant 56
Safety belts see Seat belts 41
Safety systems Driving 73
Saving current speed 195
Searching Radio station 115
Seat belt force limiter 64
Seat belt outlet height adjustment 43
Seat belts 62 Cleaning 255
Fastening 41 Height adjustment 43
Proper use of 43, 63
Safety guidelines 60
Warning lamp 262
Seat heater* Switching off 94
Switching on 94
Seats 89 Adjusting 32
Easy entry/exit feature 89
Heater 93
Manual 33
Rapid seat heating 94
Split rear bench seat 197
Selecting Display 125
Selector lever 23 Lock 45
Position (automatic transmission) 23, 139 Self-test
BabySmartTM airbag deactivation system 68
Tele Aid* 207
Service Calling up the service indicator 250
Major service (Service B) 249
Minor service (Service A) 249
Overdue 249
Spare parts 320
Types 249
When due 249
Service and Warranty Booklet Loss of 321
Service indicator 249 Calling up 250
Clearing 249, 250
Service life (tires) 245
Service System see FSS 249
Setting Convenience functions 121, 129
Cruise control 195