2005 MERCEDES-BENZ C240 run flat

357 Practical hints
Flat tire

Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.Inflating the collapsible tire
(C 55 AMG only)

Take the electric air pump out of the
trunk (
page 331).
1Flap
2On/off switch
3Electrical plug
4Air hose with pressure gauge and vent
screw
5Union nut

Open flap 1 on electric air pump.

Pull out electrical plug 3 and air hose
with pressure gauge 4.

Remove the valve cap from the
collapsible tire valve.
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 of the jack.
Warning!
G
Vehicles with collapsible tire
(C 55 AMG only):
Inflate collapsible tire only after the wheel is
properly mounted.
Inflate the collapsible tire using the electric
pump (
page 357) before
lowering the
vehicle.
Warning!
G
Observe instructions on air pump label.!Do not lower the vehicle before
inflating the collapsible tire. Otherwise
the rim may be damaged.


358 Practical hintsFlat tire
Screw air hose 4 onto the collapsible
tire valve.

Insert electrical plug 3 into vehicle
cigarette lighter socket.

Turn the SmartKey in the starter switch
to position1.

Press I on electric air pump switch 2.
The electric air pump should now
switch on and inflate the collapsible
tire.

Inflate the tire to approximately 36 psi
(2.5 bar).
This takes about five minutes for the
collapsible tire. Air hose 4 and union
nut5 can become hot duration infla-
tion. Exercise proper caution to avoid
burning yourself when using the equip-
ment.

Press 0 on electric air pump switch 2.

Turn the SmartKey in the starter switch
to position0.

If the tire pressure is above 36 psi
(2.5 bar), release excess tire pressure
using the vent screw.

Detach the electric air pump.

Store the electrical plug and the air
hose behind the flap and place the
electric air pump back in the trunk.
!Do not operate the electric air pump
longer than six minutes without inter-
ruption. Otherwise it may overheat.
You may operate the electric air pump
again after it has cooled off.
Warning!
G
Follow recommend inflation pressures.
Do not overinflate tires. Overinflating tires
can result in sudden deflation (blowout) be-
cause they are more likely to become punc-
tured or damaged by road debris, potholes,
etc.
Do not underinflate tires. Underinflated tires
wear unevenly, adversely affect handling
and fuel economy, and are more likely to fail
from being overheated.


359 Practical hints
Flat tire
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 331).

Store the jack and the other vehicle
tools in the trunk.
Warning!
G
Vehicles with collapsible tire
(C 55 AMG only):
Inflate collapsible tire only after the wheel is
properly mounted.
Inflate the collapsible tire using the electric
pump (
page 357) before
lowering the ve-
hicle.
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).

410 IndexCharging
Vehicle battery 361
Checking
Brake fluid 277
Coolant level 277, 283
Engine oil level 277, 280
Tire inflation pressure 277
Vehicle lighting 277
Washer reservoir level 277
Child safety 67
Air bags 60
Infant and child restraint
systems 64, 67
LATCH-type child seat anchors 73
Child safety switch see
Blocking of rear door window operation
Child seat anchors see
LATCH-type child seat anchors
Cigarette lighter 246
Cleaning
Cloth upholstery 300
Cup holders 299
Gear selector lever 299Hard plastic trim items 299
Headlamps 168
Headliner and shelf below
rear window 299
Instrument cluster 298
Leather upholstery 299
Light alloy wheels 298
MB Tex upholstery 300
Plastic and rubber parts 300
Seat belts 299
Steering wheel 299
Upholstery 299
Windows 298
Windshield 52
Wiper blades 298
Wood trims 300
Climate control 174
Clock 25, 121, 137, 138
Closing
Cup holder, in rear seat armrest 245
Glove box 241
Hood 279Tilt/sliding sunroof* 227
Tilt/sliding sunroof*
in an emergency 341
Tilt/sliding sunroof*
with SmartKey 229
Trunk lid 94
Windows 223, 224
Windows with SmartKey 225
Cloth upholstery
Cleaning 300
Cockpit 22, 399
Cockpit Management and
Data System see COMAND*
Collapsible tire 383
Collapsible tire (C 55 AMG only) 334
Collapsible wheel chock 332
COMAND* 400
COMAND* see separate
operating instructions
Combination switch 113
High beam flasher 50
Turn signals 50
Windshield wipers 51

432 IndexTime
Setting hours 137
Setting minutes 138
Time display
Setting 139
Time synchronization*
With head unit 137
Tire inflation pressure
Checking 277, 287
Tire speed rating 269, 403
Tire traction 269
Tires 286, 380
Consumer information 397
Direction of rotation 287
Driving instructions 268
Retreads 286
Rims and tires 380
Rotating 289
Service life 287
Temperature 288
Temperature grades 398Traction 397
Tread depth 290
Wear pattern 289
Winter 290
Tools 329
Tow away alarm*
Canceling alarm 86
Tow-away alarm* 85
Arming 85
Disarming 85
Disarming for transport 85
Towing eye bolt (vehicle tool kit)
Installing 368
Towing the vehicle 365
Traction 162, 403
Traction (Tires) 397
Transmission gear selector lever
Unlocking manually 340
Transmission see
Automatic* or Manual transmission
Traveling abroad 272Tread depth (tires) 290
Tread Wear 397
Trip computer 148
Trip odometer
Resetting 119
Trunk
Closing the lid 94
Fuse box in 371
Lamp 116
Opening 91
Opening from inside vehicle 93
Opening from outside vehicle 92
Tie-down rings 240
Trunk lid emergency release 95
Trunk lid
Closing 94
Emergency release 95
Message in display 328
Turn signal lamps, front
Messages in display 326
Replacing bulbs 345