2005 MERCEDES-BENZ C240 gear oil

282 OperationEngine compartmentC 230 Kompressor (all models)1Filler cap
Unscrew filler cap1 from filler neck.

Add engine oil as required. Be careful
not to overfill with oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.

Screw filler cap1 back on filler neck.
C 240 (all models), C 320 (all models),
C55AMG1Filler cap
Unscrew filler cap1 from filler neck.

Add engine oil as required. Be careful
not to overfill with oil.Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.

Screw filler cap1 back on filler neck.
More information on engine oil can be
found in the “Technical data” section
(
page 387) and (
page 390).
Transmission fluid level
The transmission fluid level does not need
to be checked. If you notice transmission
fluid loss or gear shifting malfunctions,
have an authorized Mercedes-Benz Center
check the transmission.
!Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.
!Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.

327 Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
<
Belt system
Drive to workshop
The seat belt system is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
_
Steering oil
Visit workshop.
The steering gear oil level is too low.
There is a danger of steering gear
damage.

Have the system checked by an
authorized Mercedes-Benz Center.
Warning!
G
If the level of steering gear oil in reservoir is
too low, the steering power assistance could
fail. Much greater effort will then be needed
to turn the steering wheel.
Do not add steering oil without checking the
steering system.
Do not drive the vehicle. Have the system
checked at an authorized Mercedes-Benz
Center as soon as possible.

387 Technical data
Fuels, coolants, lubricants, etc.
Fuels, coolants, lubricants, etc.
Capacities
Vehicle components and their respectivelubricants must match. Therefore only use
brands tested and approved by
Mercedes-Benz. Please refer to the Factory Approved
Service Products pamphlet, or inquire at
your Mercedes-Benz Center.
Model
Capacity
Fuels, coolants, lubricants, etc.
Engine with oil filter
C 230 Kompressor (all models)
C240
C2404MATIC
C320
C3204MATIC
C320Sport
C55AMG
5.8 US qt (5.5 l)
7.9 US qt (7.5 l)
7.4 US qt (7.0 l)
7.9 US qt (7.5 l)
7.4 US qt (7.0 l)
7.9 US qt (7.5 l)
9.0 US qt (8.5 l)
Approved engine oils
Automatic transmission
C 230 Kompressor (all models)
C240 (all models)
C320 (all models)
C55AMG
8.5 US qt (8.0 l)
8.5 US qt (8.0 l)
8.5 US qt (8.0 l)
9.3 US qt (8.7 l)
MB Automatic Transmission Fluid
Manual transmission
1.3 US qt (1.2 l)
MB Manual Transmission Oil
Rear axle
C 230 Kompressor (all models)
C240 (all models)
C320 (all models)
C55AMG
1.2 US qt (1.1 l)
1.2 US qt (1.1 l)
1.2 US qt (1.1 l)
1.5 US qt (1.4 l)
Hypoid gear oil SAE 85 W 90

388 Technical dataFuels, coolants, lubricants, etc.
Model
Capacity
Fuels, coolants, lubricants, etc.
Front axle
C2404MATIC
C3204MATIC
0.5 US qt (0.46 l)
Hypoid gear oil SAE 85 W 90
Transfer case
C2404MATIC
C3204MATIC
approx. 0.62 US qt (0.59 l)
MB Transfer case fluid
Power steering
approx. 1.1 US qt (1.0 l)
MB Power Steering Fluid (Pentosin CHF 11S)
Front wheel hubs
approx. 2.1 oz (60 g) each
High temperature roller bearing grease
Brake system
0.5 US qt (0.5 l)
MB Brake Fluid (DOT 4+)
Cooling system
C 230 Kompressor (all models)
C240 (all models)
C320 (all models)
C55AMG
approx. 5.9 US qt (5.6 l)
approx. 6.8 US qt (6.4 l)
approx. 6.8 US qt (6.4 l)
approx. 12.8 US qt (12.0 l)
MB 325.0 Anticorrosion/antifreeze agent
Fuel tank
including
a reserve of
16.4 US gal (62.0 l)
2.1 US gal (8.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)Flexible Fuel Vehicle (identified by a label
reading Premium gasoline or E85 only! on
fuel filler flap):
Alternative fuel: Ethanol fuel (E85)

400 Technical termsCOMAND*
(C
ockpit M
anagement and D
ata
System)
Information and operating center for
vehicle sound and communications
systems, including the radio and the
navigation 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
adjust settings.
Cruise control
Driving convenience system that
automatically maintains 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
produced.
Engine oil viscosity
Measurement for the inner friction
(viscosity) of the oil at different temper-
atures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can
tolerate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability P
rogram)
Improves vehicle handling and
directional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the
system's threshold to tighten the
seat belts.
->SRSFSS (Canada vehicles)
(F
lexible S
ervice S
ystem)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. FSS evaluates
engine temperature, oil level, vehicle
speed, engine speed, distance driven
and the time elapsed since your last
maintenance service, and calls for the
next maintenance service accordingly.
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
lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special
receivers. Employs CD digital maps for
navigation.

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

422 Index
Automatic antiglare*
for rear view mirror 169
Exterior rear view mirror 41
Exterior rear view mirror
parking position* 148
Interior rear view mirror 41
Storing exterior rear view mirror
parking position* 108
MON 276, 401
Motor Octane Number see MON
Mph or km/h in speedometer 135
Multicontour seats* 104
Multifunction display 121, 401
Displaying gear range 159
Selecting language 136
Setting date (day) 140
Setting date (month) 139
Setting date (year) 141
Multifunction display messages
ABS 310
BAS 311
Brake fluid 315
Brake pads 315Coolant 316–318
Cruise control 319
Display 319
Doors 319
Engine oil 320–321
ESP 312–313
Fuel cap 305, 322
Hood 322
Key, SmartKey 322
Lamps, exterior 323–326
Oil 320–321
Parking brake 315
Restraint system 313
Seat belt system 327
SRS 313
Steering gear oil level 327
Tele Aid* 328
Telephone* 328
Tilt/sliding sunroof* 328
Trunk lid 328
Windshield washer fluid 328
Multifunction steering
wheel 26, 122, 401
Buttons 122N
Navigation system*
Operating 130
See separate COMAND*
operating instructions
Night security illumination 112
Setting 143
O
Occupant safety 58
Air bags 59
Children and air bags 60
Children in the vehicle 67
Fastening the seat belt 43
Infant and child restraint systems 67
LATCH-type child seat anchors 73
Seat belts 43, 62
Odometer, main 121
Oil
Adding 281
Oil level see Engine oil level
Oil see Engine oil

429 Index
Ski sack* (Canada only) 234
Installing 237
Removing 237
Unfolding and loading 234
Unloading and folding 236
Sliding in
Swiveling cup holder,
in front of seat armrest 244
Sliding out
Swiveling cup holder,
in front of seat armrest 243
SmartKey 88
Changing batteries 343
Locking and unlocking 88
Opening and closing the
tilt/sliding sunroof* with 229
Opening and closing the
windows with 225
Unlocking with 32
Snow chains 291
Soft keys
Audio system 186
Sound system* 188Spare fuses 369
Spare wheel 383
Bolts 336
Mounting 353
Speed
Setting current 232
Speed settings
Cruise control 233
Speedometer 25
Settings units 135
Speedometer display mode
Selecting 135
Split rear bench seat* 237
SRS 66, 402
Indicator lamp 25, 307
Message in display 313
Standing lamps, front
Replacing bulbs 345
Standing lamps, rear
Replacing bulbs 345
Standing water
Driving instructions 271
Starter switch 23, 33
Positions 33Starting difficulties 47
Starting position 33
Starting the engine 46
Station (satellite radio)
selecting 198
Steering column
Height adjustment, electrical* 41
Height adjustment, manual 40
Length adjustment, electrical* 41
Length adjustment, manual 40
Steering gear oil
Message in display 327
Steering wheel
Adjusting 39
Buttons 26
Cleaning 299
Electrical adjustment* 40
Manual adjustment 40
Steering wheel gearshift control
(C 55 AMG only)
Automatic transmission* 164
Stolen vehicle
Recovery services 256