Page 338 of 442
336 Practical hintsWhere will I find ...?In the case of a flat tire, you may
temporarily use the collapsible tire 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
replaced as appropriate.
Do not operate vehicle with more than
one collapsible tire mounted.
For more information, see “Rims and Tires”
(
page 380).
Spare wheel bolts
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel,
collapsible tire, or other steel rims
(located in trunk with spare wheel)
!Wheel bolts2 must be used when
mounting the Minispare wheel,
collapsible tire, or other steel rims. The
use of any wheel bolts other than wheel
bolts2 for the Minispare wheel,
collapsible tire, or other steel rims will
physically damage the vehicle’s
brakes. Warning!
G
Make sure to use the original length wheel
bolts when remounting the original wheel
after it has been repaired.
Page 355 of 442

353 Practical hints
Flat tire
Flat tire
Preparing the vehicle
Park the vehicle as far as possible from
moving traffic on a hard surface.
Turn on the hazard warning flasher
(page 114).
Turn the steering wheel so that the
front wheels are in a straight ahead
position.
Set the parking brake (
page 54).
Move the gear selector lever toP
(manual transmission to first or reverse
gear).
Turn off the engine (
page 56).
Remove the SmartKey from the starter
switch.
Have any passenger exit the vehicle at
a safe distance from the roadway.
Mounting the spare wheel
Preparing the vehicle
Prepare the vehicle as described
(page 353).
Vehicles with Minispare wheel:
Take the wheel wrench, the wheel
bolts, and the jack out of the trunk
(page 329).
Take the Minispare wheel out of the
trunk (
page 333).
Vehicles with collapsible tire
(C 55 AMG only):
Take the collapsible tire, wheel wrench,
wheel bolts, jack, and electric air pump
out of the trunk (
page 330).
Warning!
G
The dimensions of the spare wheel
(Minispare or collapsible tire) are different
from those of the road wheels. As a result,
the vehicle handling characteristics change
when driving with a spare wheel mounted.
Adapt your driving style accordingly.
The spare wheel is for temporary use only.
When driving with spare wheel mounted,
ensure proper tire pressure and do not ex-
ceed a vehicle speed of 50 mph (80 km/h).
Drive to the nearest Mercedes-Benz Center
as soon as possible to have the spare wheel
replaced with a regular road wheel.
Never operate the vehicle with more than
one spare wheel mounted.
iOpen doors only when conditions are
safe to do so.
Page 358 of 442

356 Practical hintsFlat tireMounting the spare wheel
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel,
collapsible tire, or other steel rims
(located 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
mounting the Minispare wheel,
collapsible tire, or other steel rims. The
use of any wheel bolts other than wheel
bolts2 for the Minispare wheel,
collapsible tire, or other steel rims 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.
Page 385 of 442
383 Technical data
Rims and Tires
Minispare wheelCollapsible tire (C 55 AMG only)Model
C 230 Kompressor (Canada only)
C240
C2404MATIC
C 320 (USA only)
C3204MATIC
C230Kompressor Sport
C320 Sport
Rim (steel)
3.5 B x 16 H2
3.5 B x 17 H2
Wheel offset
0.67 in (17 mm)
0.67 in (17 mm)
Tire
T 125/90 R16 98M
1
1Must not be used with snow chains.
T 125/80 R17 99M
1
Model
C55AMG
Rim (steel)
4.5 B x 17 H2
Wheel offset
0.47 in (12 mm)
Tire
145/70-17 92P
1
1Must not be used with snow chains.
Page 417 of 442

415 Index
F
Fahrenheit
Setting temperature units 135
Fastening the seat belts 43
Filler neck
C 230 Kompressor
(all models) 282
C 240 (all models), C 320 (all models),
C 55 AMG 282
Fine adjustment
Cruise control 233
First aid kit 329
Flat tire 353
Collapsible tire (C 55 AMG only) 334
Lowering the vehicle 359
Minispare wheel
(except C 55 AMG) 333
Mounting the spare wheel 353
Preparing the vehicle 353
Flexible fuel vehicles 392
At the gas station 275
Switching fuels 393
Flexible Service System see FSSFog lamp, rear
Message in display 325
Replacing bulb 345
Switching on 113
Fog lamps, front
Messages in display 323
Replacing bulbs 345
Switching on 112
Four wheel electronic traction
system (4MATIC) with ESP 82
4MATIC 82
Front air bags 63
Front fog lamps
Indicator lamp 109
Switching on 112
Front lamps
Bi-Xenon* type 349
Halogen-type 347
Messages in display 323–326
Replacing bulbs 345, 347
Switching on 109
Front passenger front air bag off
indicator lamp 27, 63, 70, 308Front seat head restraints
Installing, manual seat 100
Installing, power seat* 101
Manual seat 100
Power seat* 100
Removing, manual seat 100
Removing, power seat* 100
Front seats
Heating* 105
FSS (Flexible Service System)
(Canada vehicles) 292, 400
Fuel 276
Additives 392
Cruising range 393
E85 (Ethanol fuel) 393
Fuel reserve warning lamp 307
Gasoline additives 392
Premium unleaded
gasoline 276, 388, 391
Requirements 391, 392
Switching (Flexible Fuel Vehicle) 393
Technical data 387, 388
Fuel additives 392
Page 426 of 442

424 IndexPassenger compartment 272
Interior lighting 115
Interior rear view mirror 41
Main fuse box in 370
Parcel net in front passenger
footwell 245
Passenger safety see Occupant safety
Pedals 265
Performance
In cold weather 393
In hot weather 393
Phone book*
Loading 152
Quick search 153
Phone number*
Dialing 152
Redialing 153
Plastic and rubber parts
Cleaning 300
Playing
CDs 204Poly-V-belt drive 401
Layout 377
Positions (Memory function*)
Recalling from memory 107
Storing into memory 107
Power assistance 265
Power seat*
Adjusting backrest tilt 38
Adjusting head restraint height 38
Adjusting head restraint tilt 39
Adjusting seat cushion tilt 38
Adjusting seat height 38
Memory function* 106
Removing/installing front
head restraints 100
Seat fore and aft adjustment 38
Power tilt/sliding sunroof* 227
Power train 402
Power washer 296Power windows 223
Blocking of rear door
window operation 75
Side windows 223
Synchronizing 226
Practical hints
Collapsible tire (C 55 AMG only) 334
Collapsible wheel chock 332
First aid kit 329
Fuses 369
Lamp in center console 308
Lamps in instrument cluster 302
Minispare wheel
(except C 55 AMG) 333
Spare wheel bolts 336
Symbol messages 314
Text messages 310
Towing the vehicle 365
Vehicle jack 329, 331
Vehicle status messages
in the display 309
Vehicle tool kit 329