Page 347 of 426

345 Practical hints
Flat tire
Mounting the Minispare wheel
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel or other
steel rims (located in vehicle tool kit)
Clean contact surfaces of wheel and
wheel hub.
Guide Minispare wheel onto alignment
bolt and push it on.
Insert wheel bolts and tighten them
slightly.
!Wheel bolts2 must be used when
mounting the Minispare wheel or other
steel rims. The use of any wheel bolts
other than wheel bolts2 for the
Minispare wheel 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 371 of 426
369 Technical data
Rims and Tires
Minispare wheelModel
C 240 (all models)
Rim (steel)
3.5 B x16 H2
Wheel offset
0.67 in (17 mm)
Tire
T 125/90 R16 98M
1
1Must not be used with snow chains.
Page 402 of 426

400 IndexEngine
Compartment 270
Starting with
automatic transmission 47
Starting with the SmartKey 47
Technical data 366
Turning off with the SmartKey 57
Engine cleaning 289
Engine compartment 270
Fuse box in 358
Hood 270
Engine malfunction
indicator lamp 25, 296
Engine number 364, 386
Engine oil 272
Adding 274
Additives 375
Checking level 269, 272
Consumption 272
Display messages 273, 312–313
Filler neck 274
Messages in display 273, 312–313
Viscosity 386Engine oil level
Checking 269, 272
Engine oils 375
ESP 81, 386
Four wheel electronic
traction system with ESP 84
Messages in display 304–305
Switching off 82
Switching on 83
Warning lamp 25, 298
ETD 69, 386
Safety guidelines 64
Ethanol fuel
At the gas station 267
Requirements 377
Switching fuels 378
Exterior lamp switch 49, 108
Exterior lamps
Delayed shut-off 141
Exterior rear view mirrors
Adjusting 41
Parking position* for 146F
Fahrenheit
Setting temperature units 133
Fastening the seat belts 43
Fine adjustment
Cruise control 225
First aid kit 321
Flat tire 342
Lowering the vehicle 346
Minispare wheel 324
Mounting the Minispare wheel 342
Preparing the vehicle 342
Flexible fuel vehicles 377
At the gas station 267
Switching fuels 378
Flexible Service System see FSS
Fog lamp, rear
Message in display 317
Replacing bulb 333
Switching on 112
Page 422 of 426

420 Index
Instrument cluster 290
Leather upholstery 291
Light alloy wheels 290
MB Tex upholstery 292
Ornamental moldings 289
Paintwork 288
Plastic and rubber parts 292
Power washer 288
Seat belts 291
Side markers 289
Steering wheel 291
Tail lamps 289
Tar stains 288
Turn signals 289
Upholstery 291
Vehicle washing 289
Window cleaning 290
Wiper blades 290
Wood trims 292
Vehicle Identification Number see VIN
Vehicle jack 322Vehicle lighting
Checking 269
Vehicle status message memory 128
Calling up 128
Clearing 129
Vehicle status messages
Displaying 129
Vehicle tool kit 321
Alignment bolt 322
Collapsible wheel chock 322
Fuse extractor 322
Gloves 322
Jack 322
Spare fuses 322
Spare wheel bolts 322
Towing eye bolt 322
Vehicle jack 322
Wheel wrench 322
Vehicle washing 289
VIN 364, 389
Voice control system* 389
Hands-free microphone 29W
Warning lamps see
Lamps, indicator and warning
Warning sounds
Drivers seat belts 66
Parking brake 48
Warranty coverage 363
Washer fluid
Wiping rear window with 53
Wiping windshield with 52
Washer fluid see Windshield washer fluid
Washer reservoir level
Checking 269
Washing the vehicle 287
Wear pattern (tires) 281
Weights 372
Wheel change
Tightening torque 346
Wheels
Tires and wheels 278
Window curtain air bags 66
Windows see Side windows