2006 MERCEDES-BENZ C230 poly v belt

ContentsTechnical data.................................. 425
Parts service ...................................... 426
Warranty coverage ............................. 427
Loss of Service and Warranty
Information Booklet...................... 427
Identification labels............................ 428
Layout of poly-V-belt drive ................. 429
Engine ................................................ 430
Rims and Tires ................................... 432
Same size tires ............................. 434
Mixed size tires ............................ 435
Minispare wheel ........................... 436
Electrical system................................ 437
Main dimensions................................ 438
Weights .............................................. 439Fuels, coolants, lubricants, etc. ......... 440
Capacities .................................... 440
Engine oils.................................... 442
Engine oil additives ...................... 442
Air conditioning refrigerant .......... 442
Brake fluid .................................... 442
Premium unleaded gasoline ......... 443
Gasoline additives ........................ 443
Fuel requirements ........................ 444
Coolants....................................... 444
Windshield washer and headlamp
cleaning system* ......................... 448
Technical terms............................... 449Index................................................. 455

343 Operation
Vehicle care
Engine cleaning
Prior to cleaning the engine compartment,
make sure to protect electrical compo-
nents and connectors from the intrusion of
water and cleaning agents.
Corrosion protection, such as MB Anticor-
rosion Wax, should be applied to the en-
gine compartment after every engine
cleaning. Before applying, all control
linkage bushings and joints should be
lubricated. The poly-V-belt and all pulleys
should be protected from any wax.
Vehicle washing
In the winter, thoroughly remove all traces
of road salt as soon as possible.
When washing the vehicle underbody, do
not forget to clean the inner sides of the
wheels.Hand-wash
Do not use hot water or wash your vehicle
in direct sunlight.

Only use a mild car wash detergent,
such as Mercedes-Benz approved Car
Shampoo.

Thoroughly spray the vehicle with a dif-
fused jet of water.
Direct only a very weak spray towards
the ventilation intake.

Use plenty of water and rinse the
sponge and chamois frequently.

Rinse with clean water and thoroughly
dry with a chamois.
Do not allow cleaning agents to dry on
the finish.Automatic car wash
You can have your car washed in an auto-
matic car wash from the start. Automatic
car washes without brushes are prefera-
ble.
If the vehicle is very dirty, prewash it be-
fore running it through the automatic car
wash.
!Due to the width of the vehicle, fold in
exterior rear view mirrors prior to run-
ning the vehicle through an automatic
car wash to prevent damage to the
mirrors.
Make sure that the windshield wiper
switch is set to0 (
page 53). Other-
wise, the rain sensor could activate and
cause the wipers to move unintention-
ally. This may lead to vehicle damage.

369 Practical hints
What to do if …
Symbol messagesDisplay symbol
Display message
Possible cause/consequence
Possible solution
#
Battery Alternator
Visit workshop
The battery is no longer charging.
Possible causes:

broken poly-V-belt


alternator malfunctioning

Stop immediately and check the
poly-V-belt in a safe location or as
soon as it is safe to do so.
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.
Low voltage
Charge battery
The battery has insufficient voltage.

Start the engine (
page 48).
Low voltage
Consumers off

The battery has insufficient voltage.

Turn off unnecessary electrical
consumers.

373 Practical hints
What to do if …
Display symbol
Display message
Possible cause/consequence
Possible solution
•
Coolant
Stop, engine off!
The poly-V-belt could be broken.

Stop the vehicle in a safe location and
immediately turn off the engine.

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 au-
thorized Mercedes-Benz Center.
If it is intact:

Do not continue to drive the vehicle with this mes-
sage displayed. Doing so could result in serious
engine damage that is not covered by the
Mercedes-Benz Limited Warranty.

Observe the coolant temperature gauge in the in-
strument cluster (
page 24).

Drive immediately to the nearest authorized
Mercedes-Benz Center.
Coolant
Visit workshop.
The cooling fan for the coolant is
malfunctioning.

Observe the coolant temperature gauge in the in-
strument cluster (
page 24).

Have the fan replaced as soon as possible.

425 Technical data
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.

429 Technical data
Layout of poly-V-belt drive
Layout of poly-V-belt drive
All models1Idler pulley
2Idler pulley
3Automatic belt tensioner
4Power steering pump
5Air conditioning compressor
6Crankshaft
7Coolant pump
8Generator (alternator)

430 Technical dataEngineModel
C 230 (203.052)
1
C 230 Sport (203.052)
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 280 (203.054)
1
C 280 4MATIC (203.092)
1
Engine
272
272
Mode of operation
4-stroke engine, gasoline injection
4-stroke engine, gasoline injection
No. of cylinders
6
6
Bore
3.46 in (88.00 mm)
3.46 in (88.00 mm)
Stroke
2.69 in (68.40 mm)
3.23 in (82.10 mm)
Total piston displacement
152.3 cu in (2 496 cm
3)
182.8 cu in (2 996 cm
3)
Compression ratio
11.2:1
11.1:1
Output acc.
to SAE J 1349
201 hp/6 200 rpm
2
(150 kW/6 200 rpm)
2Premium fuel required. Performance may vary with fuel octane rating.
228 hp/6 000 rpm
2
(170 kW/6 000 rpm)
Maximum torque acc.
to SAE J 1349
181 lb-ft/2 700 – 5 000 rpm
(245 Nm/2 700 – 5 000 rpm)
221lb-ft/2700–5000rpm
(300 Nm/2 700 – 5 000 rpm)
Maximum engine speed
6500 rpm
6500 rpm
Firing order
1-4-3-6-2-5
1-4-3-6-2-5
Poly-V-belt
2404 mm
2404 mm

431 Technical data
Engine
Model
C 350 (203.056)
1
C 350 Sport (203.056)
1
C 350 4MATIC (203.087)
1
Engine
272
Mode of operation
4-stroke engine, gasoline injection
No. of cylinders
6
Bore
3.65 in (92.90 mm)
Stroke
3.38 in (86.00 mm)
Total piston displacement
213.5 cu in (3 498 cm
3)
Compression ratio
10.5:1
Output acc.
to SAE J 1349
268 hp/6 000 rpm
2
(200 kW/6 000 rpm)
Maximum torque acc.
to SAE J 1349
258 lb-ft/3 000 rpm
(350 Nm/3 000 rpm)
Maximum engine speed
6700 rpm
Firing order
1-4-3-6-2-5
Poly-V-belt
2404 mm
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.2Premium fuel required. Performance may vary with fuel octane rating.