Mercedes-Benz 2006 CL 500 Operator's Manual page 432

Power train
Collective 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
Production options weight
( page 310)
Program mode selector switch
Used to switch the automatic transmis-
sion between standard operation S and
comfort operation C.
CL 55 AMG and CL 65 AMG with steer-
ing wheel gearshift control and manual
shift program: in addition to S and C
(see above), you can use M for manual
operation
PSI
(Pounds per square inch)
( page 310)
Recommended tire inflation pressure
( page 310)
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.
Technical terms
Restraint systems
Seat belts, belt tensioners, air bags
and child restraint systems. As inde-
pendent systems, their protective func-
tions complement one another.
Rim
( page 310)
RON
(Research Octane Number)
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
ANTI-KNOCK INDEX.
Shift lock
When the vehicle is parked, this lock
prevents the transmission selector le-
ver from being inadvertently moved out
of position P without the SmartKey
turned and the brake pedal depressed.
431