2012 MERCEDES-BENZ E-Class CABRIOLET service

Welcome to the world of Mercedes-Benz
Before you drive off, please familiarize
yourself with your vehicle and read this
manual, especially the safety and warning
notes. This will help you to obtain the
maximum pleasure from your vehicle and
avoid endangering yourself and others.
The equipment or model designation of your
vehicle may differ according to:
R model
R order
R country variant
R availability
Mercedes-Benz is constantly updating its
vehicles to the state of the art.
Mercedes-Benz therefore reserves the right
to introduce changes in the following areas:
R design
R equipment
R technical features
Therefore, you cannot base any claims on the
illustrations or text content in this Operator's
Manual.
The following are integral components of the
vehicle:
R Operator's Manual
R Service Booklet
R Equipment-dependent supplements
Keep these documents in the vehicle at all
times. When you sell the vehicle, always pass
the documents on to the new owner.
The technical documentation team at
Daimler AG wishes you safe and pleasant
motoring.
Mercedes-Benz USA, LLC
Mercedes-Benz Canada, Inc.
A Daimler Company2075842881 É2075842881/ËÍ

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

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

Display message ............................ 237
Emergency locking ........................... 79
Emergency unlocking .......................79
Important safety notes ....................77
Opening (from inside) ......................78
Draft stop ............................................. 93
Drinking and driving ......................... 160
Drinks holder see Cup holder
Drive program
Automatic ...................................... 152
Display ........................................... 150
Manual ........................................... 154
Driver's door
see Doors
Driver's seat
see Seats
Driving abroad
Mercedes-Benz Service .................279
Symmetrical low beam ..................116
Driving on flooded roads .................. 163
Driving safety systems ABS (Anti-lock Braking System) .......61
ADAPTIVE BRAKE ............................. 65
BAS (Brake Assist System) ..............62
BAS PLUS (Brake Assist System
PLUS) ............................................... 62
Electronic brake force distribution ...64
ESP ®
(Electronic Stability
Program) .......................................... 63
ETS (Electronic Traction System) .....63
Important safety information ...........61
Overview .......................................... 60
PRE-SAFE ®
Brake ............................. 65
Driving systems
Active Blind Spot Assist .................189
Active Driving Assistance
package ......................................... 189
Active Lane Keeping Assist ............192
ATTENTION ASSIST ........................185
Blind Spot Assist ............................ 186
Cruise control ................................ 164
Display message ............................ 228
DISTRONIC PLUS ........................... 166
Dynamic handling package with
sports mode .................................. 175
HOLD function ............................... 176Lane Keeping Assist ......................188
Lane Tracking package ..................186
Parking Guidance ........................... 181
PARKTRONIC ................................. 178
Rear view camera .......................... 184
Driving tips
Automatic transmission .................151
Brakes ........................................... 161
Break-in period .............................. 144
DISTRONIC PLUS ........................... 174
Downhill gradient ........................... 161
Drinking and driving .......................160
Driving abroad ............................... 116
Driving in winter ............................. 163
Driving on flooded roads ................163
Driving on wet roads ......................163
Exhaust check ............................... 161
Fuel ................................................ 160
General .......................................... 160
Hydroplaning ................................. 163
Icy road surfaces ........................... 163
Limited braking efficiency on
salted roads ................................... 162
Pedals ............................................ 160
Snow chains .................................. 311
Symmetrical low beam ..................116
Wet road surface ........................... 162
DVD audio (on-board computer) ...... 204
DVD-Video (on-board computer) ...... 204
Dynamic handling package with
sports mode ....................................... 175
E
EASY-ENTRY feature Activating/deactivating .................211
Function/notes ............................. 109
EASY-EXIT feature
Crash-responsive ........................... 110
Function/notes ............................. 109
Switching on/off ........................... 211
EBD (electronic brake force
distribution) Display message ............................ 215
Function/notes ................................ 64
Electrical fuses
see Fuses
8Index

Electronic brake force distributionsee EBD (Electronic Brake force
Distribution)
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Electronic Traction System
see ETS (Electronic Traction System)
Emergency closing (soft top) ............. 88
Emergency release Driver's door .................................... 79
Trunk ............................................... 82
Vehicle ............................................. 79
Emergency spare wheel
Storage location ............................ 290
Emergency Tensioning Devices
Function ........................................... 54
Safety guidelines ............................. 37
Emissions purification
Service and warranty information ....20
Engine
Check Engine warning lamp ........... 245
Display message ............................ 225
Emergency starting ........................303
Engine number ............................... 340
Irregular running ............................ 148
Starting problems ..........................148
Starting the engine with the
SmartKey ....................................... 146
Starting with KEYLESS-GO .............146
Switching off .................................. 158
Engine electronics
Problem (malfunction) ...................148
Engine oil
Adding ........................................... 275
Additives ........................................ 344
Checking the oil level ..................... 275
Checking the oil level using the
dipstick .......................................... 275
Display message ............................ 227
Filling capacity ............................... 342
Notes about oil grades ................... 343
Notes on oil level/consumption ....275
Viscosity ........................................ 344
ESP ®
(Electronic Stability
Program) Deactivating/activating .................206
Deactivating/activating (notes) .......64Display message ............................ 214
ETS .................................................. 63
Function/notes ................................ 63
Important safety information ...........63
Warning lamp ................................. 242
ETS (Electronic Traction System) ....... 63
Exhaust check ................................... 161
Exhaust tail pipe (cleaning
instructions) ...................................... 285
Exterior lighting see Lights
Exterior mirrors
Adjusting ....................................... 110
Dipping (automatic) .......................112
Folding in/out (automatically) .......111
Folding in/out (electrically) ...........111
Folding in when locking (on-board
computer) ...................................... 212
Out of position (troubleshooting) ...112
Setting ........................................... 111
Storing settings (memory
function) ........................................ 113
Storing the parking position ..........112
F
Filler cap see Fuel filler flap
First-aid kit ......................................... 290
Flat tire Changing a wheel/mounting the
spare wheel ................................... 291
MOExtended run-flat system .........295
Preparing the vehicle .....................291
Raising the vehicle .........................292
Floormat ............................................. 272
Front fog lamps ................................. 118
Display message ............................ 223
Switching on/off ........................... 118
Front windshield
see Windshield
Fuel
Additives ........................................ 343
Consumption statistics ..................201
Displaying the current
consumption .................................. 201
Displaying the range ......................201
Driving tips .................................... 160
Index9

Locking centrallysee Central locking
Locking verification signal (on-
board computer) ............................... 210
Low-beam headlamps Changing bulbs .............................. 124
Display message ............................ 222
Setting for driving abroad
(symmetrical) ................................. 116
Switching on/off ........................... 117
Luggage cover
see Trunk partition
Lumbar support
Adjusting the 4-way lumbar
support .......................................... 107
M
M+S tires ............................................ 310
Maintenance see ASSYST PLUS service interval
display
Malfunction message
see Display messages
Malfunctions relevant to safety
Reporting ......................................... 23
Matte finish (cleaning
instructions) ...................................... 282
mbrace 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
Mechanical key
Function/notes ................................ 73
Locking vehicle ................................ 79
Unlocking the driver's door ..............79
Memory card (audio) ......................... 204
Memory function ............................... 113
Message memory (on-board
computer) .......................................... 213
Messages see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror
Mobile phone
Menu (on-board computer) ............204
Modifying the programming
(SmartKey) ........................................... 73
MOExtended run-flat system ........... 295
MP3 Operating ....................................... 204
see separate operating instructions
Multicontour seat .............................. 107
Multifunction display Function/notes ............................. 198
Permanent display .........................208
Multifunction steering wheel
Operating the on-board computer . 197
Overview .......................................... 29
N
Navigation Menu (on-board computer) ............202
On-board computer .......................202
see separate operating instructions
Neck level heating
see AIRSCARF
NECK-PRO head restraints
Operation ......................................... 49
Resetting after being triggered ........49
Notes on breaking-in a new
vehicle ................................................ 144
12Index

O
Occupant Classification System
(OCS) Faults ............................................... 47
Operation ......................................... 43
System self-test ............................... 46
Occupant safety
Children in the vehicle .....................55
System overview .............................. 36
Octane number (fuel) ........................ 343
Odometer ........................................... 201
see Trip odometer
Oil
see Engine oil
On-board computer
Assistance menu ........................... 206
Audio menu ................................... 203
Convenience submenu ..................211
Displaying a service message ........279
Display messages ..........................213
DISTRONIC PLUS ........................... 172
Factory settings submenu .............212
Important safety notes ..................196
Instrument cluster submenu ..........208
Lighting submenu .......................... 209
Menu overview .............................. 200
Message memory .......................... 213
Navigation menu ............................ 202
Operating video DVD .....................204
Operation ....................................... 197
Service menu ................................. 208
Settings menu ............................... 208
Standard display ............................ 201
Telephone menu ............................ 204
Trip menu ...................................... 201
Vehicle submenu ........................... 210
Operating system
see On-board computer
Outside temperature display ........... 197
Overhead control panel ...................... 32
Override feature Rear side windows ...........................59
P
Paint code number ............................ 339
Paintwork (cleaning instructions) ... 281
Panic alarm .......................................... 60
Panorama roof with power tilt/
sliding panel Opening/closing .............................. 98
Opening/closing the roller
sunblind ........................................... 99
Problem (malfunction) .....................99
Resetting ......................................... 99
Panorama sliding sunroof
Important safety notes ....................97
Parcel net ........................................... 253
Parking ............................................... 158
Important safety notes ..................158
Parking brake ................................ 159
Position of exterior mirror, front-
passenger side ............................... 112
Rear view camera .......................... 184
see PARKTRONIC
Parking aid
Parking Guidance ........................... 181
see Exterior mirrors
see PARKTRONIC
Parking brake
Display message ............................ 215
Notes/function .............................. 159
Parking Guidance
Display message ............................ 230
Important safety notes ..................181
Parking lamps (changing bulbs) ...... 125
PARKTRONIC Deactivating/activating .................180
Driving system ............................... 178
Function/notes ............................. 178
Problem (malfunction) ...................181
Range of the sensors .....................178
Warning display ............................. 179
PASSENGER AIRBAG OFF indicator
lamp ...................................................... 43
Pedals ................................................. 160
Plastic trim (cleaning instructions) . 285
Power washers .................................. 281
Power windows see Side windows
PRE-SAFE ®
(Preventive occupant
safety system) Display message ............................ 217
Operation ......................................... 48Index13

S
Safety Children in the vehicle .....................55
Child restraint systems ....................55
Occupant Classification System
(OCS) ............................................... 43
Overview of occupant safety
systems ........................................... 36
Safety systems
see Driving safety systems
Seat belts
Adjusting the driver's and front-
passenger seat belt .........................53
Automatic comfort-fit feature ..........55
Belt force limiters ............................ 54
Cleaning ......................................... 286
Correct usage .................................. 51
Emergency Tensioning Devices ........ 54
Fastening ......................................... 52
Important safety guidelines .............50
Releasing ......................................... 53
Safety guidelines ............................. 37
Special seat belt retractor ...............57
Switching belt adjustment on/off
(on-board computer) ......................211
Warning lamp ................................. 240
Warning lamp (function) ................... 53
Seats
Adjusting (electrically) ...................104
Adjusting the 4-way lumbar
support .......................................... 107
Adjusting the head restraint ..........105
Cleaning the cover .........................286
Correct driver's seat position ........102
Folding the backrests forward/
back ............................................... 106
Important safety notes ..................103
Multicontour seat .......................... 107
Seat backrest display message .....237
Seat heating problem ....................108
Seat ventilation problem ................108
Storing settings (memory
function) ........................................ 113
Switching AIRSCARF on/off ..........108
Switching seat heating on/off .......107
Switching seat ventilation on/off ..108
Sensors (cleaning instructions) ....... 284Service
see ASSYST PLUS service interval
display
Service interval display
Displaying service messages .........279
Hiding service messages ...............279
Notes ............................................. 279
Service messages ..........................278
Service menu (on-board computer) . 208
Service products Brake fluid ..................................... 344
Capacities ...................................... 342
Coolant (engine) ............................ 345
Engine oil ....................................... 343
Fuel ................................................ 342
Important safety notes ..................340
Refrigerant (air-conditioning
system) .......................................... 344
Washer fluid ................................... 346
Settings
Factory (on-board computer) .........212
On-board computer .......................208
Setting the air distribution ............... 136
Setting the airflow ............................ 137
Side impact air bag ............................. 41
Side marker lamp (display
message) ............................................ 224
Side windows Convenience closing feature ............85
Convenience opening feature ..........84
Important safety information ...........83
Opening/closing .............................. 83
Opening/closing all (Cabriolet) ........84
Problem (malfunction) .....................86
Resetting ......................................... 86
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................74
Changing the programming .............73
Checking the battery .......................74
Convenience closing feature ............85
Convenience opening feature ..........84
Display message ............................ 238
Door central locking/unlocking .......70
Important safety notes ....................70
Loss ................................................. 76Index15