2012 MERCEDES-BENZ E-Class CABRIOLET climate control

Index ....................................................... 4Introduction ......................................... 20At a glance ........................................... 25Safety ................................................... 35Opening/closing ................................. 69Seats, steering wheel and mirrors ..101Lights and windshield wipers ..........115Climate control ................................. 129Driving and parking ..........................143On-board computer and displays ....195Stowing and features .......................251Maintenance and care ......................273Breakdown assistance .....................289Wheels and tires ............................... 307Technical data ................................... 337
Contents3

1, 2, 3 ...
12 V socket see Sockets
A
ABS (Anti-lock Braking System) Display message ............................ 214
Function/notes ................................ 61
Important safety notes ....................61
Warning lamp ................................. 242
Activating/deactivating cooling
with air dehumidification ................. 134
Active Blind Spot Assist Activating/deactivating (on-
board computer) ............................ 207
Function/information ....................189
Active Driving Assistance package . 189
Active Lane Keeping Assist Activating/deactivating (on-
board computer) ............................ 207
Display message ............................ 229
Function/information ....................192
Active Light System
Display message ............................ 224
Active service system PLUS
see ASSYST PLUS service interval
display
ADAPTIVE BRAKE ................................. 65
Adaptive Highbeam Assist Display message ............................ 225
Function/notes ............................. 120
Switching on/off (on-board
computer) ...................................... 209
Additives (engine oil) ........................ 344
Air bags Display message ............................ 221
Front air bag (driver, front
passenger) ....................................... 39
Important safety notes ....................38
Knee bag .......................................... 40
PASSENGER AIRBAG OFF
indicator lamp .................................. 43
Pelvis air bag ................................... 42
Safety guidelines ............................. 37
Side impact air bag ..........................41
Window curtain air bag ....................43
AIRCAP
Cleaning instructions .....................283
Extending/retracting .......................94
General notes .................................. 94
Installing/removing the wind
screen .............................................. 95
Air-conditioning system
see Climate control
Air pressure
see Tire pressure
AIRSCARF
Setting the vents ........................... 141
Switching on/off ........................... 108
Air vents
Glove box ....................................... 141
Important safety notes ..................140
Rear ............................................... 141
Setting ........................................... 140
Setting the AIRSCARF vents ..........141
Setting the center air vents ...........140
Setting the side air vents ...............140
Switching AIRSCARF on/off ..........108
Alarm system
see ATA (Anti-Theft Alarm system)
Alertness Assistant
see ATTENTION ASSIST
Anti-lock Braking System
see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Anti-theft system
ATA (Anti-Theft Alarm system) .........67
Ashtray ............................................... 259
Assistance menu (on-board
computer) .......................................... 206
ASSYST PLUS see ASSYST PLUS service interval
display
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................67
Function ........................................... 67
Switching off the alarm ....................67
ATTENTION ASSIST
Activating/deactivating .................207
Display message ............................ 228
Function/notes ............................. 185
Audio menu (on-board computer) .... 2034Index

Display ........................................... 285
Exterior lights ................................ 284
Gear or selector lever ....................286
Matte finish ................................... 282
Notes ............................................. 279
Paint .............................................. 281
Plastic trim .................................... 285
Power washer ................................ 281
Rear view camera .......................... 285
Roof lining ...................................... 287
Seat belt ........................................ 286
Seat cover ..................................... 286
Sensors ......................................... 284
Soft top .......................................... 282
Steering wheel ............................... 286
Tail pipes ....................................... 285
Trim pieces .................................... 286
Washing by hand ........................... 280
Wheels ........................................... 281
Wind deflector ............................... 283
Windows ........................................ 284
Wind screen ................................... 283
Wiper blades .................................. 284
Wooden trim .................................. 286
Cargo tie down rings ......................... 255
Car wash (care) ................................. 280
CD player/CD changer (on-board
computer) .......................................... 204
Cell phone see Mobile phone
Center console ..................................... 30
Central locking Automatic locking (on-board
computer) ...................................... 210
Locking/unlocking (SmartKey) ........70
Changing bulbs
High-beam headlamps ...................124
Important safety notes ..................122
Low-beam headlamps ....................124
Overview of bulb types ..................123
Parking lamps ................................ 125
Standing lamps (front) ...................125
Turn signals (front) ......................... 125
Child-proof locks
Important safety notes ....................59
Children
In the vehicle ................................... 55
Restraint systems ............................ 55Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 57
Special seat belt retractor ...............57
Top Tether ....................................... 58
Cigarette lighter ................................ 260
Climate control Automatic climate control (3-
zone) .............................................. 133
Controlling automatically ...............135
Cooling with air dehumidification ..134
Defrosting the windows .................138
Defrosting the windshield ..............137
Dual-zone automatic climate
control ........................................... 131
Important safety notes ..................130
Indicator lamp ................................ 135
Maximum cooling .......................... 138
Notes on using automatic climate
control ................................... 132, 134
Overview of systems ......................130
Problems with cooling with air
dehumidification ............................ 135
Problem with the rear window
defroster ........................................ 139
Rear control panel .........................133
Refrigerant ..................................... 344
Setting the air distribution .............136
Setting the airflow .........................137
Setting the air vents ......................140
Setting the climate mode ............... 135
Setting the temperature ................136
Switching air-recirculation mode
on/off ............................................ 139
Switching on/off ........................... 134
Switching residual heat on/off ......139
Switching the rear window
heating on/off ............................... 138
Switching the ZONE function on/
off .................................................. 137
Cockpit
Overview .......................................... 26
see Instrument cluster
COMAND
see separate operating instructions
Combination switch .......................... 1196Index

CompassCalibrating ..................................... 271
Calling up ....................................... 271
Setting ........................................... 271
Consumption statistics (on-board
computer) .......................................... 201
Convenience closing feature .............. 85
Convenience opening feature ............ 84
Coolant (engine) Checking the level .........................276
Display message ............................ 225
Notes ............................................. 345
Temperature gauge ........................ 196
Warning lamp ................................. 246
Cooling
see Climate control
Cornering light function
Display message ............................ 222
Function/notes ............................. 120
Crash-responsive emergency
lighting ............................................... 122
Cruise control Cruise control lever .......................164
Deactivating ................................... 165
Display message ............................ 233
Driving system ............................... 164
Function/notes ............................. 164
Important safety notes ..................164
LIM indicator lamp .........................164
Setting a speed .............................. 165
Storing and maintaining current
speed ............................................. 164
Cup holder
Center console .............................. 257
Important safety notes ..................257
Rear compartment .........................258
Customer Assistance Center (CAC) ... 23
Customer Relations Department ....... 23
D
Dashboard see Cockpit
Data
see Technical data
Daytime running lamp mode
see Daytime running lamps
Daytime running lamps
Display message ............................ 224
Switching on/off (on-board
computer) ...................................... 209
Switching on/off (switch) ..............117
Delayed switch-off
Exterior lighting (on-board
computer) ...................................... 209
Interior lighting .............................. 210
Digital speedometer ......................... 201
Display (cleaning instructions) ........ 285
Display messages Calling up (on-board computer) .....213
Driving systems ............................. 228
Engine ............................................ 225
General notes ................................ 213
Hiding (on-board computer) ...........213
KEYLESS-GO .................................. 239
Lights ............................................. 222
Safety systems .............................. 214
Service interval display ..................278
SmartKey ....................................... 238
Tires ............................................... 233
Vehicle ........................................... 236
Distance display (on-board
computer) .......................................... 206
Distance recorder ............................. 201
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 248
DISTRONIC PLUS Deactivating ................................... 173
Display message ............................ 231
Displays in the multifunction
display ........................................... 172
Driving tips .................................... 174
Function/notes ............................. 166
Important safety notes ..................166
Setting the specified minimum
distance ......................................... 171
Warning lamp ................................. 248
Doors
Automatic locking (on-board
computer) ...................................... 210
Automatic locking (switch) ............... 78
Central locking/unlocking
(SmartKey) ....................................... 70
Control panel ................................... 33Index7

Fuel gauge ....................................... 27
Important safety notes ..................342
Premium-grade unleaded gasoline . 342
Problem (malfunction) ...................158
Refueling ........................................ 155
Specifications ................................ 343
Tank content/reserve fuel .............342
Fuel filler flap, opening/closing ....... 156
Fuel level Calling up the range (on-board
computer) ...................................... 201
Fuel tank
Capacity ........................................ 342
Problem (malfunction) ...................158
Fuse allocation chart (vehicle tool
kit) ...................................................... 290
Fuses Allocation chart ............................. 303
Before changing ............................. 303
Dashboard fuse box .......................303
Fuse box in the engine
compartment ................................. 304
Fuse box in the trunk .....................304
Important safety notes ..................303
G
Garage door opener Clearing the memory .....................270
Notes ............................................. 267
Opening/closing the garage door ..270
Programming (button in the rear-
view mirror) ................................... 268
Gasoline ............................................. 156
Gear or selector lever (cleaning
guidelines) ......................................... 286
Genuine Mercedes-Benz parts ......... 338
Glove box ........................................... 252
H
Handbrake see Parking brake
Hazard warning lamps ...................... 119
Head bags ............................................ 41
Head bags ........................................ 41
Headlamp cleaning system
Notes ............................................. 346
Headlamps
Adding fluid to cleaning system .....277
Cleaning system (function) ............119
Fogging up ..................................... 121
see Automatic headlamp mode
Head level heating (AIRSCARF) ........ 108
Head restraint Lowering manually (rear) ...............105
Head restraints
Adjusting ....................................... 105
Adjusting (electrically) ...................105
Adjusting (rear) .............................. 105
see NECK-PRO head restraints
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 124
Display message ............................ 223
Switching Adaptive Highbeam
Assist on/off ................................. 120
Switching on/off ........................... 119
Hill start assist .................................. 147
HOLD function Display message ............................ 228
Function/notes ............................. 176
Hood
Closing ........................................... 275
Display message ............................ 237
Opening ......................................... 274
Hydroplaning ..................................... 163
I
Ignition lock see Key positions
Immobilizer .......................................... 67
Indicator lamps see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 27
Settings ......................................... 208
Warning and indicator lamps ...........28
Instrument cluster lighting ................ 27
Instrument lighting see Instrument cluster lighting
10Index

PRE-SAFE®
Brake (vehicles with
DISTRONIC PLUS) Display message ............................ 217
Function/notes ................................ 65
Switching on/off ........................... 207
Warning lamp ................................. 248
Preventive occupant safety
system
see PRE-SAFE ®
(Preventive
occupant safety system)
Product information ............................ 20
Program selector button .................. 151
Pulling away Automatic transmission .................147
Q
Qualified specialist workshop ........... 23
R
Radar sensor system Activating/deactivating .................210
Display message ............................ 229
Radio
Selecting a station .........................203
see separate operating instructions
Reading lamp ..................................... 122
Rear compartment Setting the air vents ......................141
Setting the temperature ................136
Rear fog lamp
Display message ............................ 223
Switching on/off ........................... 118
Rear seat
Display message ............................ 237
Rear view camera
Cleaning instructions .....................285
Function/notes ............................. 184
Rear-view mirror
Anti-glare (manual) ........................110
Dipping (automatic) .......................112
Rear window blind ............................ 259
Rear window defroster Problem (malfunction) ...................139
Rear window heating
Switching on/off ........................... 138
Refueling
Fuel gauge ....................................... 27
Important safety notes ..................155
Refueling process ..........................156
see Fuel
Releasing the parking lock
manually (automatic
transmission) ..................................... 155
Remote control Garage door opener .......................267
Reporting
Malfunctions relevant to safety ........ 23
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 228
Warning lamp ................................. 245
see Fuel
Residual heat (climate control) ........ 139
Restraint system see SRS (Supplemental Restraint
System)
Reverse gear
Engaging (automatic
transmission) ................................. 149
Reversing lamps (display
message) ............................................ 224
Roadside Assistance (breakdown) .... 21
Roll bar Display message ............................ 218
Operation ......................................... 48
Roller blind
see Roller sunblind
Roller sunblind
Panorama roof with power tilt/
sliding panel ..................................... 98
Rear window .................................. 259
Roof
see Soft top
Roof lining and carpets (cleaning
guidelines) ......................................... 287
Roof load (maximum) ........................ 346
Route see Route guidance (navigation)
Route guidance (navigation) ............ 20214Index

Technical dataNotes ............................................. 338
Tires/wheels ................................. 333
Vehicle data ................................... 346
TELEAID
Call priority .................................... 265
Display message ............................ 217
Downloading destinations
(COMAND) ..................................... 265
Emergency call .............................. 262
Important safety notes ..................261
Locating a stolen vehicle ...............267
MB info call button ........................264
Remote vehicle locking ..................267
Roadside Assistance button ..........264
Search & Send ............................... 266
Self-test ......................................... 262
System .......................................... 262
Vehicle remote unlocking ..............266
Telephone
Accepting a call ............................. 205
Display message ............................ 237
Menu (on-board computer) ............204
Number from the phone book ........ 205
Redialing ........................................ 205
Rejecting/ending a call .................205
Temperature
Coolant .......................................... 196
Outside temperature ...................... 197
Setting (climate control) ................136
Theft deterrent locking system
Immobilizer ...................................... 67
Through-loading ................................ 253
Through-loading feature ................... 254
Tiredness assistant see ATTENTION ASSIST
Tire pressure
Calling up (on-board computer) .....317
Checking manually ........................315
Display message ............................ 233
Maximum ....................................... 314
Notes ............................................. 313
Pressure loss warning ....................315
Recommended ............................... 311
Tire pressure monitoring system
Function/notes ............................. 317
Restarting ...................................... 319
Warning lamp ................................. 249Tires
Aspect ratio (definition) .................331
Average weight of the vehicle
occupants (definition) ....................329
Bar (definition) ............................... 329
Characteristics .............................. 329
Checking ........................................ 309
Definition of terms .........................329
Direction of rotation ......................332
Display message ............................ 233
Distribution of the vehicle
occupants (definition) ....................332
DOT, Tire Identification Number
(TIN) ............................................... 328
DOT (Department of
Transportation) (definition) ............329
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 330
GVW (Gross Vehicle Weight)
(definition) ..................................... 330
GVWR (Gross Vehicle Weight
Rating) (definition) .........................330
Important safety notes ..................308
Increased vehicle weight due to
optional equipment (definition) ......330
Kilopascal (kPa) (definition) ...........330
Labeling (overview) ........................325
Load bearing index (definition) ......331
Load index ..................................... 328
Load index (definition) ...................330
Maximum loaded vehicle weight
(definition) ..................................... 330
Maximum load on a tire
(definition) ..................................... 331
Maximum permissible tire
pressure (definition) ....................... 331
Maximum tire load .........................323
Maximum tire load (definition) .......331
Optional equipment weight
(definition) ..................................... 331
PSI (pounds per square inch)
(definition) ..................................... 331
Replacing ....................................... 332
Service life ..................................... 309
Sidewall (definition) .......................331
Speed rating (definition) ................330
Storing ........................................... 333Index17

CockpitiIllustration: CoupeFunctionPage:Steering wheel paddle
shifters
152
;Cruise control lever164=Instrument cluster27?HornAPARKTRONIC warning
display
178
BOverhead control panel32CClimate control systems130DIgnition lock145Start/Stop button145FunctionPageEAdjusts the steering wheel
electrically
109
FCombination switch119GParking brake159HOn-board diagnostics
socketIOpens the hood274JReleases the parking brake159KLight switch11626CockpitAt a glance