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Technical terms
Multifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.
Normal occupant weight
(
୴ page 337)
OCS
(O
ccupant Classification System)
The system automatically turns the
front passenger front air bag on or off
based on the classified occupant size
category determined by weight sensor
readings from the seat.
Overspeed range
Engine speeds within the red marking
on the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Parktronic (Parking assist)*
System which uses visual and acoustic
signals to assist the driver during
parking maneuvers.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all
components used to generate and
transmit motive power to the drive
axles, including
ț engine
ț clutch/torque converter
ț transmission
ț transfer case
ț drive shaft
ț differential
ț axle shafts/axles
Production options weight
(
୴ page 337)
Program mode selector switch
Used to switch the automatic transmis-
sion between regular operation S and
comfort operation C.
CLK 55 AMG with steering wheel gear-
shift control and manual shift program:
In addition to S and C (for regular S or
comfort C operation, see above) you
can use the M for manual shift
program.
PSI
(P
ounds per Square Inch)
(
୴ page 337)
Recommended tire inflation pressure
(
୴ page 337)
REST
(Residual engine heat utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.