255
Practical hints
What to do if …
Display
Possible cause
Suggested solution
#
BATTERY/ALTERNATOR
VISIT WORKSHOP!
The battery was charged with a battery
charger or jump started.
Have the battery checked at a ser-
vice station.
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 in-
operative water pump which may re-
sult in damage to the engine. Notify
an authorized Mercedes-Benz
Center.
If it is intact:
Drive immediately to the nearest au-
thorized Mercedes-Benz Center.
309
Technical data
Layout of poly-V-belt drive
Layout of poly-V-belt drive
C230Kompressor
1 Power steering pump
2 Idler pulley
3 Mechanical loader
4 Automatic belt tensioner
5 Air conditioning compressor
6 Crankshaft
7 Coolant pump
8 Generator (alternator)
C320
1 Idler pulley
2 Automatic belt tensioner
3 Power steering pump
4 Air conditioning compressor
5 Crankshaft
6 Coolant pump
7 Generator (alternator)
330 Technical termsPower trainCollective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axles Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Program mode selector switch Used to switch the automatic transmis-
sion between standard operation S and
winter operation W.
Remote Vehicle Diagnostics Transmission of vehicle data and cur-
rent location to the Mercedes-Benz
Customer Assistance Center for sub-
scribers to Tele Aid service.
Restraint systems Seat belts, belt tensioners, airbags and
child restraint systems. As indepen-
dant systems, their protective func-
tions complement one another. RON
(R
esearch O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line's ability to resist undesired detona-
tion (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as AN-
TI-KNOCK INDEX.
Shift lock When the vehicle is parked, this lock
prevents the transmission selector le-
ver from being moved out of position P
without key turned and brake pedal de-
pressed.
