Page 423 of 464
423 Technical terms
Overspeed range
Engine speeds within the red marking
on the tachometer dial. Avoid this en-
g ine s pe ed r ang e, a s it ma y r es ult i n 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 park-
ing maneuvers.
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
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axlesProgram mode selector switch
Used to switch the automatic transmis-
sion between regular operationS and
comfort operationC.
CLK 55 AMG with steering wheel gear-
shift control and manual shift program:
In addition toS andC (for regularS or
comfortC operation, see above) you
can use theM for manual shift
program.
Page 424 of 464
424 Technical termsRemote Vehicle Diagnostics
Transmission of vehicle data and cur-
rent location to the Mercedes-Benz
Customer Assistance Center for sub-
scribers to Tele Aid service.
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.
Restraint systems
Seat belts, belt tensioners, airbags and
child restraint systems. As indepen-
dent systems, their protective func-
tions complement one another.Roll bars
Occupant protection system which
consists of tubular steel, integrated in
the rear head restraints. The roll bars
are lowered into the car body during
normal driving conditions and raised
automatically in an accident or in a crit-
ical driving situation.
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
ANTI-KNOCK INDEX.Shift lock
When the vehicle is parked, this lock
prevents the gear selector lever from
being inadvertently moved out of
positionP without SmartKey turned
and brake pedal depressed.
Soft top
Soft top roof that can be opened by
pulling and closed by pressing a switch
and stored in the soft top compartment
in the trunk area.
Speedshift (CLK 55 AMG)
Steering wheel gearshift control. You
can change the gears yourself with the
steering wheel gearshift buttons.
SRS
(S
upplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and airbags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.
Page 430 of 464
430 IndexBi-Xenon headlamps* 419
Block heater* 301
Blocking
Rear window operation 74
Bolts
For Minispare wheel 347
Brake assist system (BAS) 419
Brake fluid 412
Message in display 327
Brake lamp bulbs 373
Brake lamp, high mounted 373
Brake pads
Message in display 327
Brakes 274
Warning lamp 313
Break-in period 272Bulbs, replacing 372
Additional turn signals 373
Backup lamps 373
Brake lamps 373
Fog lamps 373
Front lamps 373
High beam (Bi-Xenon*) 373
High beam (Halogen) 373
High beam flasher (Bi-Xenon*) 373
High beam flasher (Halogen) 373
High mounted brake lamp 373
License plate lamps 373, 378
Low beam (Bi-Xenon*) 373
Low beam (Halogen) 373
Parking lamps 373, 375, 377
Rear fog lamp 373, 378
Side marker lamps 373, 377
Standing lamps 373, 375, 377
Tail lamp assemblies 373, 378
Turn signal lamps 373
Button
Audio system 186C
CAC (Customer Assistance Center) 420
Calling up
Distronic* settings 137
Range (distance to empty) 153
Service indicator 303
CAN system 420
Canceling
Cruise control 227
Capacities
Fuels, coolants, lubricants, etc. 410
Cassette operation
Playing cassettes 196
Cassette player
Operating 136
Catalytic converter 281
CD changer* 199
CD operation 199
CD player
Operating 136
Center console 25
Lower part 26
PASS. AIRBAG OFF
indicator lamp 319
Upper part 25
Page 433 of 464
433 Index
Convenience submenu 149
Activating
easy-entry/exit feature 150
Setting key-dependency 151
Setting parking position
for exterior rear view mirror 151
Coolant 292, 414
Adding 292
Anticorrosion/antifreeze
quantity 414
Capacities 410
Checking level 292
Messages in display 328
Temperature 283
Temperature indicator 127
Warning lamp 315, 329
Coolant level
Checking 292Cruise control 226, 420
Canceling 227
Driving downhill 227
Driving uphill 227
Fine adjustment 228
Lever 233
Messages in display 323
Setting current speed 227
Setting to last stored speed
("Resume" function) 228
Cruise control lever 226
Cup holder
Cleaning 309
Closing 251
In the dashboard 251
Opening 251
Customer Assistance Center (CAC) 420D
Daytime running lamp mode 121
Setting 145, 146
Deactivating
Air conditioning (cooling) 181
Air recirculation mode 179
Alarm 84
Anti-theft alarm system 84
Automatic climate control 173
Central locking (control system) 149
Charcoal filter 180
Defrost 177
Distance warning function* 238
Distronic* 233, 236
Engine with KEYLESS-GO* 55
Engine with the SmartKey 54
ESP 80
Exterior lamps 120
Hazard warning flasher 124
Headlamps 54
Immobilizer 82
Interior lighting
delayed switch-off 148
Manual shift programm
CLK 55 AMG 165
Rear window defroster 171
Page 444 of 464
444 IndexOpening from the inside
Trunk 100
Operating
Audio system 183
Cassette player 136
CD player 136
COMAND* see
separate operating instructions
Navigation system 137
Radio 135
Radio transmitters 281
Telephone* 154, 183, 203
Vehicle outside the
USA and Canada 13
Operating roll bar manually 353
Operating safety
Audio system 183
Operator’s Manual 10
Ornamental moldings 307
Outside temperature indicator 128
Overdue service 302
Overhead control panel 27
Overspeed range 423P
Paintwork 305
Panic alarm 75
Panic button on SmartKey 75
Parcel net in
front passenger footwell 253
Parking 52, 275
Parking assist* see Parktronic*
Parking brake 46, 53
Engaging 53
Message in display 327
Releasing 46
Parking lamps
Replacing bulbs 373, 375, 377
Switching on 119
Parking position
Exterior rear
view mirrors 118, 151, 169
Parktronic* 241, 423
Sensor 308
Parts see Spare parts service
PASS. AIRBAG OFF indicator lamp 319
Passenger airbags 63Passenger compartment 280
Fuse box in 394
Interior lighting 124
Interior rear view mirror 38
Parcel net in
front passenger footwell 253
Storage bags,
rear side of the front seats 252
Passenger safety see Occupant safety
Pedals 273
Phone book*
Loading 155
Quick search 156
Phone number*
Dialing 155
Redialing 156
Plastic and rubber parts
Cleaning 310
Playing
CDs 201
Poly-V-belt drive 423
Layout 401