387 Technical terms
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 inadvertently moved out
of positionP without SmartKey turned
and brake pedal depressed.
Speedshift
Steering wheel gearshift control and
manual shift program. In the manual
shift program mode you can change
the gears yourself on the steering
wheel or by using the selector lever. 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.
Tele Aid System
(T
elematic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.Telematics
A combination of the terms “telecom-
munications” and “informatics”.
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.
VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).
390 Index
Steering column height 39
Steering column in or out 39
Steering column up or down 39
Steering wheel 39
Air conditioner (cooling)
Turning off 183
Air pressure see Tire inflation
pressure 271
Air recirculation mode 179
Activating 179
Deactivating 180
Air vents, rear passenger compartment
Adjustable 185
Air volume
Adjusting 178
AIRBAG OFF indicator lamp 298
Airbags 61
BabySmart
TM deactivation
system 71, 383
Children 62
Front 65
Passenger 65
Safety guidelines 64
Side impact 65
Window curtain 65Alarm
Audible 76, 82, 83
Canceling 83
Visual 82
Alarm system
Anti-theft 82
Anti-theft alarm system indicator
lamp 25
Alignment bolt 346
Alignment bolt (vehicle tool kit) 329, 383
Antiglare
Automatic 167
Antilock brake system (ABS) 383
Antilock Brake System see ABS 23
Anti-theft alarm system
Activating 83
Canceling alarm 83
Deactivating 83
Anti-theft systems 82
Anti-theft alarm system 82
Anti-theft alarm system indicator
lamp 25
Immobilizer 82
Tow-away alarm 84Armrest
Storage compartment in front of 222,
223
Storage compartment in front of
armrest 222
Ashtray 227
At the gas station 257
ATF (automatic transmission fluid) 266
AUDIO menu 134
Operating
Cassette player 136
CD player 136
Selecting radio station 135
Selecting satellite radio* station 135
Audio system
CD mode 137
Automatic antiglare for rear view
mirror 167
Automatic central locking
Activating/deactivating
(control system) 153
Automatic climate control 173
Air recirculation mode 179
Defrosting 179
Rear window defroster 182
Setting the temperature 176
391 Index
Automatic headlamp mode 120
Automatic lighting control
Activating 124
Deactivating 125
Automatic locking when driving 105
Automatic transmission 157
Accelerator position 163
Deactivating steering wheel gearshift
control 166
Emergency operation (Limp Home
Mode) 166
Fluid level 266
Gear ranges 159
Gear selector lever position 160
Gear shifting malfunctions 166
Kickdown 163
Manual shift program mode
(CL 55 AMG Kompressor) 164
One-touch gearshifting 158
Program mode selector switch 163
Selector lever position 157
Starting the engine 45
Steering wheel gearshift control
(Speedshift) CL 55 AMG 161
Transmission fluid 266
Winter program mode 163, 164B
BabySmart
TM
Airbag deactivation system 71, 383
Compatible child seats 71, 383
Self-test 72
Backrest supports
Lumbar region 112
Shoulder region 111
Backup lamps 337, 340
Bulbs 337
BAS 78, 383
Messages in display 302
Batteries, SmartKey
Changing 333
Check lamp 90, 91
Replacing 332
Battery discharged
Jump starting 351
Battery, SmartKey with KEYLESS-GO
Check lamp 95
Battery, SmartKey with KEYLESS-GO*
Changing 334
Checking the battery 95
Replacing 332Battery, vehicle 268, 348
Charging 349
Disconnecting 349
Reconnecting 350
Reinstalling 349
Removing 349
Bi-Xenon headlamps 383
Block heater (Canada only) 281
Blocking
Rear window operation 75
Brake assist system (BAS) 383
Brake fluid 258, 375
Brake lamp bulbs 337
Brake lamp, high mounted 337
Brake pads
Message in display 305
Brakes 248
Warning lamp 293
Break-in period 246
Bulbs, replacing 336
Additional turn signals 336
Backup lamps 337
Brake lamps 337
Fog lamps 336
392 Index
Front lamps 336
High beam 336
High mounted brake lamp 337
License plate lamps 337, 340
Low beam 336
Parking lamps 336, 337, 339
Rear fog lamp 337, 340
Side marker lamps 336, 339
Standing lamps 336, 337, 339
Tail lamp assemblies 337, 340
Turn signal lamps 336, 337
C
CAC (Customer Assistance Center) 383
California
Important notice 11
Calling up
Distronic* settings 142
Range (distance to empty) 144
Service indicator 283
CAN system 383
Cargo tie-down hooks 220
Cassette player
Operating 136Catalytic converter 255
CD changer* 137
CD mode 137
CD player
Operating 136
Center console 25
AIRBAG OFF indicator lamp 298
Lower part 26
Upper part 25
Centigrade
Setting temperature units 148
Central locking
Automatic 105
From inside 106
Switch 106
Switching on/off (control
system) 153
Unlocking from inside 106
Central locking switch 106
Changing
Batteries (SmartKey) 333
Battery (SmartKey with
KEYLESS-GO*) 334
Key setting 154SmartKey with KEYLESS-GO*
setting 94
Vehicle level 212
Changing CDs 137
Charcoal filter 181
Activating 181
Deactivating 181
Charging
Vehicle battery 349
CHECK ENGINE malfunction indicator
lamp 294
Checking
Coolant level 266
Oil level 259, 261
Oil level via control system 262
Tire inflate pressure 259
Vehicle lighting 259
Checking the batteries
SmartKey 91
Child safety 69
Airbags 62
Infant and child restraint systems 66,
69
LATCH child seat mounts 74
397 Index
Engine malfunction indicator lamp 23,
294
Engine number 384
Engine oil 261
Adding 265
Additives 374
Checking level 261
Consumption 261
Display messages 310
Filler neck 265
Messages in display 263, 310
Viscosity 384
Engine oil level see Oil level 259
Entry position
Messages in display 312
ESP 79, 384
Switching off 80
Switching on 81
Synchronizing 303
Warning lamp 295
ETD 384
Safety guidelines 64
ETD (Emergency tensioning device) 68
Exterior lamp switch 119Exterior rear view mirrors
Adjusting 40
Folding electrically 169
Parking position for 156
F
Fahrenheit
Setting temperature units 148
Fastening the seat belts 42
Fine adjustment
Cruise control 197
Distronic* 204
First aid kit 329
Flat tire 343
Lowering the vehicle 347
Mounting the Spare wheel 343
Preparing the vehicle 343
Flexible Service System (FSS) 282, 385
Fog lamp, rear 122, 337
Replacing bulb 340
Fog lamps
Replacing bulbs 336
Fog lamps, front
Messages in display 314
Switching on 122Folding electrically
Exterior rear view mirrors
169
Front airbags 65
Front lamps
Messages in display 314–318
Replacing bulbs 336, 338
Switching on 119
Front seat
Head restraints 108
Head restraints installing 108
Head restraints removing 108
FSS (Flexible Service System) 282, 385
Fuel 258
Fuel reserve warning lamp 296
Premium unleaded gasoline 258
Reserve warning lamp 23
Fuel consumption statistics
After start 143
Since last reset 143
Fuel filler flap 257
Locking 257
Opening 334
Unlocking 257
400 IndexK
Key, mechanical 331
Key, SmartKey
Battery check lamp 89
Changing the batteries 333
Checking the batteries 91
Factory setting 89
Global locking 89
Global unlocking 89
Loss of 91
Positions in starter switch 31
Remote controls 88, 92
Restoring to factory setting 90
Selective setting 89
Starting the engine 45
Turning off the engine 55
Unlocking with 30
Key,SmartKey with KEYLESS-GO*
Changing the battery 334
Key-dependency memory
Settings 154
KEYLESS-GO start/stop button* 33
KEYLESS-GO* 385
Activating ignition with 33
Closing sliding/pop-up roof 194Closing windows 189
Locking the vehicle 95
Messages in display 313
Starting the engine 46
Turning off engine 56
Unlocking with 32
Keys 88
Kickdown 163, 385
Kilometers/miles in speedometer 148
Km/h or mph in speedometer 148
L
Lamp bulbs, exterior 336
Lamps, exterior
Front 336
Light sensor 315
Messages in display 315
Rear 337
Lamps, indicator and warning
ABS 292
Battery (SmartKey) 89, 94
Brakes 293
CHECK ENGINE 294
Coolant 306
Distronic*DTR* 200
Engine diagnostics 294
ESP 81, 295
Fuel reserve 296
Instrument cluster 296
PASSENGER AIRBAG OFF 71, 298
Seat belts 296
Service indicator 282
SRS 61
Tow-away alarm 84
Turn signals 23
Language
Multifunction display 149
Setting 149
LATCH child seat anchors 74
LATCH child seat mounts 74
Layout of poly-V-belt drive 363
Leather upholstery
Cleaning 290
Lever
For cruise control 202
License plate lamps
Replacing bulbs 337, 340
Light alloy wheels
Cleaning 289
403 Index
O
Occupant safety 60
Airbags 61
Children and airbags 62
Children in the vehicle 69
Fastening the seat belt 42
Infant and child restraint systems 69
LATCH child seat mounts 74
Seat belts 42, 64
Odometer, main 23
Odometer, trip 23
Oil
Adding 265
Consumption 261
Dipstick 261
Filler neck 265
Viscosity 384
Oil level
Checking 259
Oil level via control system
Checking 262
One-touch gearshifting 158
Canceling gear range limit 158
Downshifting 158
Upshifting 158Opening
Ashtray 227
Cup holder 226
Doors from the inside 96
Fuel filler flap 257
Fuel filler flap manually 334
Glove box 221
Hood 260
Power window with SmartKey 188
Side windows 187
Sliding/pop-up roof 191, 335
In an emergency 335
With SmartKey 193
Storage compartment in the center
console 223
Storage compartments in the
armrest 223
Trunk 96
Trunk from the inside 97
Trunk lid with SmartKey 90
Windows 186, 187
Operating
Cassette player 136
CD player 136COMAND see separate operating in-
structions
Garage door opener 243
Integrated remote control 243
Navigation system 141
Radio 135
Radio transmitters 254
Telephone* 139
Vehicle outside the USA and
Canada 13
Operator’s Manual 10
Ornamental moldings 286
Outside temperature indicator 128
Overdue service 282
Overhead control panel 27
Overspeed range 386
P
Paintwork 285
Panic alarm 76
Panic button on SmartKey 76
Parcel net in front passenger
footwell 226
Parcel net in trunk 226
Parking 53, 249
404 IndexParking brake 47, 54
Message in display 305
Releasing 47
Parking lamps
Replacing bulbs 336, 337, 339
Switching on 119
Parking position
Exterior rear view mirrors 117, 156,
168
Parktronic* 214, 386
Cleaning sensors 287
Malfunctioning 218
Warning indicators 216
PASSENGER AIRBAG OFF
Warning lamp 298
Passenger compartment 254
Fuse box in 356
Interior lighting 124
Interior rear view mirror 40
Parcel net in front passenger
footwell 226
Passenger safety see Occupant
safety 60
Pedals 247Phone book*
Loading 140
Quick search 140
Phone number*
Dialing 140
Redialing 141
Plastic and rubber parts
Cleaning 290
Poly-V-belt drive 386
Positions (Memory function)
Recalling from memory 117
Positions (Memory function*)
Storing into memory 117
Power assistance 247
Power closing assist for doors and trunk
lid 105
Power seat
Adjusting backrest tilt 35
Adjusting head restraint height 36
Adjusting head restraint tilt 36
Adjusting seat cushion depth 35
Adjusting seat cushion tilt 35
Adjusting seat height 35
Folding forward front seat
backrests 37Front seat head restraints 108
Seat fore and aft adjustment 35
Power train 386
Power washer 285
Power window
Blocking of rear window operation 75
Opening and closing 186
Opening and closing with
SmartKey 188
Synchronizing 190
Practical hints
First aid kit 329
Fuses 356
Lamp in center console 298
Lamps in instrument cluster 292
Messages in the display 299
Vehicle tool kit 329
Problems
While driving 52
With vehicle 17
Product information 9
Program mode selector switch 386
Automatic transmission 163
PULSE function (Massage function) 112