Page 259 of 376
259 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
?
The yellow “CHECK ENGINE”
malfunction indicator lamp
comes on while driving.
There is a malfunction in:
The fuel management system
The ignition system
The emission control system
Systems which affect emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its limp-home (emergency operation)
mode.
Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics sys-
tem. It allows the accurate identifica-
tion of system malfunctions through
the readout of diagnostic trouble
codes. It is located in the front left
area of the footwell next to the park-
ing brake pedal.
The fuel cap is not closed tight.
Check the fuel cap.
Your gas tank is empty.
After refuelling start the engine three
or four times in succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.
<
The red seat belt warning lamp
blinks for a brief period after
starting the engine.
The warning lamp reminds you to fasten seat
belts.
Fasten your seat belt.
The yellow fuel tank reserve warning lamp
lights while driving.
The fuel level has gone below the reserve
mark.
Refuel at the next gas station
(page 233).
Page 264 of 376
264 Practical hintsWhat to do if …#
BATTERY/ALTERNATOR
VISIT WORKSHOP!
The battery is no longer charging.
Possible causes:
alternator malfunctioning
broken poly-V-belt
Stop immediately and check the
poly-V-belt.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an
inoperative water pump which may
result in damage to the engine. Notify
an authorized Mercedes-Benz Center.
If it is intact:
Drive immediately to the nearest
authorized Mercedes-Benz Center.
!
(Canada
only)
;
(USA only)
PARKING BRAKE
RELEASE PARKING BRAKE!
You are driving with the parking brake
set.
Release the parking brake
(page 51).
Display
Possible cause
Suggested solution
Page 268 of 376
268 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
Ï
COOLANT
STOP, ENGINE OFF!
The poly-V-belt could be broken.
Stop immediately and check the
poly-V-belt.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an
inoperative water pump which may
result in damage to the engine. Notify
an authorized Mercedes-Benz Center.
If it is intact:
Do not continue to drive the vehicle
with this message displayed. Doing so
could result in serious engine damage
that is not covered by the
Mercedes-Benz Limited Warranty.
COOLANT
VISIT WORKSHOP!
The cooling fan for the coolant is
malfunctioning.
Observe the coolant temperature
display.
Have the fan replaced as soon as
possible.
Page 275 of 376
275 Practical hints
What to do if …
.
TAIL LAMP, L
CHECK LAMPS!
SUBSTITUTE LAMP ON!
The left tail lamp is malfunctioning.
A backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
TAIL LAMP, R
CHECK LAMPS!
SUBSTITUTE LAMP ON!
The right tail lamp is malfunctioning.
A backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
SIDE MARKER LAMP, LF
CHECK LAMPS!
SUBSTITUTE LAMP ON!
The left parking lamps are
malfunctioning. A backup bulb is being
used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
SIDE MARKER LAMP, RF
CHECK LAMPS!
SUBSTITUTE LAMP ON!
The right parking lamps are
malfunctioning. A backup bulb is being
used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
AUTOM. LIGHT ON
REMOVE KEY!
Key in the starter switch position1 or2.
Remove key from the starter switch.
LIGHTS
TURN OFF LAMPS!
This display appears if the driver’s door is
opened with the engine shut off and no
key in the starter switch.
Insert key in the starter switch.
Switch off lights.
<
SEAT BELT SYSTEM
VISIT WORKSHOP!
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
DRIVER’S SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your
passengers to fasten seat belts.
Fasten the seat belts.
Display
Possible cause
Suggested solution
Page 276 of 376
276 Practical hintsWhat to do if …<
PASSENGER SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your
passengers to fasten seat belts.
Fasten the seat belts.
_
STEERING WHEEL ADJUST
LOCK!
The steering column is not properly
locked .
Lock steering column (
page 37).
POWER STEERING FLUID
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.
Display
Possible cause
Suggested solution
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 your authorized Mercedes-Benz
Center as soon as possible.
Page 315 of 376
315 Technical data
Spare parts service
Warranty coverage
Identification labels
Layout of poly-V-belt drive
Engine
Rims and Tires
Electrical system
Main dimensions
Weights
Fuels, coolants, lubricants etc.
Consumer information
Page 319 of 376
319 Technical data
Layout of poly-V-belt drive
Layout of poly-V-belt drive
C 230 Kompressor Sport
1Power steering pump
2Idler pulley
3Mechanical loader
4Automatic belt tensioner
5Air conditioning compressor
6Crankshaft
7Coolant pump
8Generator (alternator)
C240 / C320 (all models)
1Idler pulley
2Automatic belt tensioner
3Power steering pump
4Air conditioning compressor
5Crankshaft
6Coolant pump, fan
7Generator (alternator)
C32AMG
1Idler pulley
2Idler pulley
3Supercharger
4Automatic belt tensioner
5Power steering pump
6Air conditioning compressor
7Crankshaft
8Coolant pump, fan
9Generator (alternator)
Page 320 of 376
320 Technical dataEngine
EngineModel
C 230 Kompressor Sport (203.040)
1
1The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Center for the corresponding data of all special bodies and
special equipment.
C 240 (203.061)
1
C 240 4MATIC (203.081)
1
Engine
271
112
Mode of operation
4-stroke engine, gasoline injection
4-stroke engine, gasoline injection
No. of cylinders
4
6
Bore
3.23 in (82.00 mm)
3.54 in (89.90 mm)
Stroke
3.35 in (85.00 mm)
2.68 in (68.20 mm)
Total piston displacement
109.6 cu.in. (1 796 cm
3)
158.5cu.in. (2597cm
3)
Compression ratio
8.5:1
10.5:1
Output acc. to SAE J 1349
189 hp / 5 800 rpm
(141 kW / 5 800 rpm)
167 hp / 6 000 rpm
(125 kW / 6 000 rpm)
Maximum torque
acc. to SAE J 1349
192ft.lb/3500rpm
(260 Nm / 3 500 rpm)
177 ft.lb / 4 500 rpm
(240 Nm / 4 500 rpm)
Maximum engine speed
6000 rpm
6 200 rpm
Firing order
1-3-4-2
1-4-3-6-2-5
Poly-V-belt
7ft 11in (2420mm)
7 ft 10 in (2 390 mm)
