Mercedes-Benz S-Class 2007 User Manual
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676
Technical terms
PCMCIA
(Personal Computer Memory Card
International Association)
Portable memory cards designed to be
inserted into laptop computers to en-
able additional functions.
PIN code
(Personal Identification Number code)
Your PIN code prevents unauthorized
persons from using your ->GSM mobile
phone. The PIN code is a number
string, which you have to enter when
switching on the telephone.
Poly-V-belt drive
Drives engine components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing:
ț
Engine
ț
Clutch/torque converter
ț
Transmission
ț
Transfer case
ț
Drive shaft
ț
Differential
ț
Axle shafts/axles
PRE-SAFE
®
(Preventive Occupant Safety System)
Vehicles equipped with PRE-SAFE
®
take preventive measures when the
system senses certain driving dynam-
ics suggesting a possible accident.
Production options weight
Program mode selector switch
Used to switch the automatic transmis-
sion between standard operation S and
comfort operation C.
PSI
(Pounds per square inch)
(
PUK
(Personal Unblocking Key)
Must be entered if the wrong ->PIN was
entered three consecutive times.
Recommended tire inflation pressure
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.