2001 MERCEDES-BENZ C240 air condition

265 What you should know at the gas station
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cluster displayPractical hints Car care Index Fuel tank capacity approximately 16.4 US gal (62.0 l).
This includes approximately 2.1 US gal (8.0 l) reserve.
Use premium unleaded gasoline:
Posted Octane Index 91 (Average of 96 RON / 86 MON).
Engine oil
Checking oil level, see instructions on page 128
and 300.
Recommended engine oils, see Approved Service
Products sheet.
Coolant
For normal replenishing, use water (potable water
quality). For further information refer to page 301.
Tire pressure
For tire pressure, refer to tire pressure label inside the
fuel filler flap. See page 315 for further details.Spark plugs
Approved spark plugs, refer to “Technical Data”.
Air conditioner
R-134a refrigerant and special PAG lubricant, refer to
“Technical Data”.
Bulbs
High and low beams: H7 (55 W),
low beam: Xenon (optional)
fog lamps: H B4 (55 W),
turn signal lamps,
front 1156 NA (26.9 / 5 W/32/4 cp),
parking and standing lamps, front: W 5W (5 W)
side marker lamps, front: 5 W / 4 cp,
turn signal lamps, rear: PY 21 W bulb (yellow),
stop lamps: P 21 W/32 cp bulb,
rear fog lamp, driver’s side: P 21 W/32 cp bulb,
tail, parking, standing and
side marker lamp: R 5 W / 4 cp,
backup lamps: 21 W / 32 cp,
license plate lamps: 5 W / 4 cp

274 Malfunction and warning messages
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Malfunction and warning messages in the
multifunction display
Malfunction and warning messages for the following
systems will be displayed immediately in the
multifunction display.
They are divided into three categories.
Category C1:
Messages of most immediate priority.
These cannot be cleared from the instrument cluster
using the reset knob on the instrument cluster (see
page 90).
Categories C2 and C3:
Messages of less immediate priority.
These can be cleared from the instrument cluster using
the reset knob on the instrument cluster (see page 90)
and are then stored in the malfunction message
memory. See page 109 Note:
Certain malfunction and warning messages are
accompanied by an audible signal.
Malfunction and warning messages in red are always
accompanied by an audible signal.
Temporary messages such as “TRUNK OPEN!” will not
be stored in the malfunction message memory.
Wa r n i n g !
All categories of messages contain important
information which should be taken note of and,
where malfunction indicated, addressed as soon as
possible at an authorized Mercedes-Benz Center.Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz Limited
Warranty, or result in property damage or personal
injury.

276 Malfunction and warning messages
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BATTERY / ALTERNATOR
* C = Category, see page 274
This message indicates a malfunction which must be
repaired immediately.
It may indicate that the poly-V-belt has broken. Should
this condition occur, the poly-V-belt must be replaced
before continuing to operate the vehicle. Otherwise, the
engine will overheat due to an inoperative water pump
which may result in damage to the engine.
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.
Line 1 Line 2 C*
BATTERY/ALTERNATOR VISIT WORKSHOP! 2

315 Tires, Wheels
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data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Notes:
Before storing the jack, it should be fully collapsed, with
handle folded in.
For proper storage of vehicle jack see page 304.Tire inflation pressure
A table (see fuel filler flap) lists the tire inflation
pressures specified for Mercedes-Benz recommended
tires as well as for the varying operating conditions.
Important!
Tire pressure changes by approximately 1.5 psi (0.1 bar)
per 18
°F (10
°C) of air temperature change. Keep this in
mind when checking tire pressure inside a garage –
especially in the winter.
Example:
If garage temperature = approximately +68
°F (+20
°C)
and ambient temperature = approximately +32
°F (0
°C)
then the adjusted air pressure = specified air pressure
+3 psi (+0.2 bar).
Tire pressures listed for light loads are minimum values
offering high driving comfort. Increased inflation
pressures for heavy loads produce favorable handling
characteristics with lighter loads and are perfectly
permissible. The ride of the vehicle, however, will
become somewhat harder.
Tire temperature and pressure increase with the vehicle
speed. Tire pressure should therefore only be checked
and corrected on cold tires. Correct tire pressure in
Wa r n i n 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.Incorrect mounting bolts or improperly tightened
mounting bolts can cause the wheel to come off.
This could cause an accident. Be sure to use the
correct mounting bolts.

316 Battery
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warm tires only if pressure has dropped below the
pressure listed in the table and the respective operating
conditions are taken into consideration.
An underinflated tire due to a slow leak (e.g. due to a
nail in the tire) may cause damage such as tread
separation, bulging etc. Regular tire pressure checks
(including the spare tire) at intervals of no more than
14 days are therefore essential.
If a tire constantly loses air, it should be inspected for
damage.
The spare tire should be checked periodically for
condition and inflation. Spare tire will age and become
worn over time even if never used, and thus should be
inspected and replaced when necessary.Battery
Important!
Battery replacement information:
The maintenance-free battery is located in the engine
compartment on the right hand side.
The service life of the battery is dependent on its
condition of charge. The battery should always be kept
sufficiently charged, in order to last an optimum length
of time.
Wa r n i n g !
Do not overinflate tires. Overinflating tires can
result in sudden deflation (blowout) because they
are more likely to become punctured or damaged
by road debris, potholes etc. Follow recommended
inflation pressures.Do not overload the tires by exceeding the specified
vehicle capacity weight as indicated by the label on
the driver’s door latch post). Overloading the tires
can overheat them, possibly causing a blowout.
Wa r n i n g !
Failure to follow these instructions can result in
severe injury or death.Never lean over batteries while connecting, you
might get injured.Battery fluid contains sulfuric acid. Do not allow
this fluid to come in contact with eyes, skin or
clot hin g. In cas e i t d oes , i mm ed ia tely f lus h a f fected
area with water and seek medical help if necessary.A battery will also produce hydrogen gas, which is
flammable and explosive. Keep flames or sparks
away from battery, avoid improper connection of
jumper cables, smoking etc.

340 Cleaning and care of the vehicle
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Cleaning and care of the vehicle
In operation, your vehicle is subjected to varying
external influences which, if gone unchecked, can
attack the paintwork as well as the underbody and
cause lasting damage.
Such damage is caused not only by extreme and varying
climatic conditions, but also by air polution, road salt,
tar, gravel and stone chipping. Grease and oil, fuel,
coolant, brake fluid, bird droppings, insects, tree resins
etc. should be removed immediately to avoid paint
damage. Frequent washing reduces and/or eli minates
the aggressiveness and potency of the above adverse
influences.More frequent washings are necessary to deal with
unfavorable conditions; for example, near the ocean, in
industrial areas (smoke, exhaust emissions), or during
winter operation.
You should check your vehicle from time to time for
stone chipping or other damage. Any damage should be
repaired as soon as possible to prevent the start of
corrosion.
In doing so, do not neglect the underside of the vehicle.
A prerequisite for a thorough check is a washing of the
underbody followed by a thorough inspection. Damaged
areas need to be reundercoated.
Your vehicle has been treated at the factory with a wax-
base rustproofing in the body cavities which will last for
the lifetime of the vehicle. Post-production treatment is
neither necessary nor recommended by Mercedes-Benz
because of the possibility of incompatibility between
materials used in the production process and others
applied later.
We have selected car-care products and compiled
recommendations which are specially matched to our
vehicles and which always reflect the latest technology.
You can obtain Mercedes-Benz approved car-care
products at your authorized Mercedes-Benz Center.
Wa r n i n g !
Many cleaning products can be hazardous. Some
are poisonous, others are flammable. Always follow
the instructions on the particular container.
Always open your vehicle’s doors or windows when
cleaning the inside.Never use fluids or solvents that are not designed
for cleaning your vehicle.

347 Contents - Technical data
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Technical dataSpare parts service ........................348
Warranty coverage .........................348
Identification labels .......................349
Layout of poly-V-belt drive ............350
Technical data ................................ 351
Fuels, coolants, lubricants etc. -
capacities ...................................355
Engine oils ......................................357Engine oil additives ...................... 357
Air conditioner refrigerant .......... 357
Brake fluid ...................................... 357
Premium unleaded gasoline ........ 358
Fuel requirements ........................ 358
Gasoline additives ......................... 359
Coolants .......................................... 359
Consumer information ................. 361
Uniform tire quality grading ....... 361

350 Technical data
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3VIN, visible (lower edge of windshield)
4Engine number
5Emission control label
6Information label, California version
Vacuum line routing for emission control system
When ordering spare parts, please specify vehicle
identification and engine numbers.Layout of poly-V-belt drive
1Automatic belt tensioner
2Crankshaft
3Air conditioner compressor
4Generator (alternator)
5Idler pulley
6Power steering pump
7Coolant pump, fan
4
6
3
5
6
5
1
2
3
7
4