2018 MERCEDES-BENZ C-CLASS CABRIOLET engine

Index....................................................... 4
Digital Operator's Manual..................26
Introduction .......................................... .26
Operation ............................................... 26
Introduction ......................................... 27
Protecting the environment ...................2 7
Genuine Mercedes-Benz parts .............. .27
Operator's Manual ................................. 28
Service and vehicle operation ................2 8
Operating safety .................................... 30
QR codes for the rescue card ................3 2
Data stored in the vehicle ...................... 32
Information on copyright ....................... 34
At a glance ........................................... 35
Cockpit .................................................. 35
Instrument cluster ................................. 36
Multifunction steering wheel ................. 37
Center console ...................................... 38
Overhead control panel .........................4 1
Door control panel ................................. 42
Safety ................................................... 43
Panic alarm ............................................ 43
Occupant safety .................................... 43
Children in the vehicle ........................... 59
Pets in the vehicle ................................. 64
Driving safety systems ........................... 64
Protection against theft .........................7 4
Opening and closing...........................76
SmartKey ............................................... 76
Doors ..................................................... 81
Trunk ..................................................... 83
Side windows ......................................... 85
Soft top ................................................ .88
Seats, steering wheel and mirrors ....94
Correct driver's seat position ................9 4
Seats ..................................................... 94
Steering wheel ..................................... 100
Mirrors ................................................. 103 Memory function ................................. 105
Lights and windshield wipers
..........107
Exterior lighting ................................... 107
Interior lighting .................................... 110
Replacing bulbs ................................... 111
Windshield wipers ................................ 111
Climate control ................................. 115
Overview of climate control systems ... 115
Operating the climate control sys-
tems .................................................... 116
Air vents .............................................. 120
Driving and parking ..........................122
Notes on breaking-in a new vehicle ..... 122
Driving ................................................. 122
DYNAMIC SELECT switch .................... 130
Automatic transmission ....................... 132
Refueling ............................................. 141
Parking ................................................ 143
Driving tips .......................................... 146
Driving systems ................................... 151
On-board computer and displays ....192
Important safety notes ........................ 192
Displays and operation ........................ 192
Menus and submenus ......................... 196
Display messages ................................ 211
Warning and indicator lamps in the
instrument cluster ............................... 241
Multimedia system ...........................253
General notes ...................................... 253
Important safety notes ........................ 253
Function restrictions ............................ 253
Operating system ................................ 254
Stowage and features ......................263
Stowage areas ..................................... 263
Features .............................................. 267
Maintenance and care ......................281
Engine compartment ........................... 281
2Contents

1, 2, 3 ...
4ETS (Electronic Traction System)see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 166
12 V socket
see Socket (12 V)
360° camera
Cleaning .........................................2 92
Display in the multimedia system .. 178
Function/notes .............................1 76
A
ABS (Anti-lock Braking System)
Display message ............................ 213
Function/notes ................................ 64
Warning lamp ................................. 244
Acceleration
see Kickdown
Accident
Automatic measures after an acci-
dent ................................................. 59
Accident warning
see Driving safety system
Activating media mode
General notes ................................ 261
Activating/deactivating cooling
with air dehumidification ................. 117
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 205
Display message ............................ 230
Function/notes .............................1 86
Active Brake Assist
Activating or deactivating .............. 204
Display message ............................ 218
Function/notes ................................ 65
Active Brake Assist with cross-
traffic function
Activating or deactivating .............. 205
Display message ............................ 219
Function/notes ................................ 71
Important safety notes .................... 72
Warning lamp ................................. 250 Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 205
Display message ............................ 229
Function/information .................... 189
Active light function
Display message ............................ 224
Active Service System PLUS
see ASSYST PLUS
ADAPTIVE BRAKE ................................. 71
Adaptive Brake Assist
Function/notes ................................ 67
Adaptive Damping System
Function/notes ............................. 165
Adaptive Damping System with
continuous damping adjustment
(ADS PLUS) ........................................ 164
Adaptive Highbeam Assist
Display message ............................ 224
Function/notes ............................. 109
Switching on/off ........................... 110
Additional speedometer ................... 207
Additives (engine oil) ........................ 343
Address book
see also Digital Operator's Man-
ual .................................................. 253
A

djusting the volume
Multimedia system ........................ 254
After-sales service center
see ASSYST PLUS
Air bags
Deployment ..................................... 56
Display message ............................ 222
Front air bag (driver, front
passenger) ....................................... 50
Head bag ......................................... 51
Important safety notes .................... 49
Introduction ..................................... 48
Knee bag .......................................... 50
Occupant Classification System
(OCS) ............................................... 51
PASSENGER AIR BAG indicator
lamps ............................................... 44
Side impact air bag .......................... 50
Air vents
Important safety notes .................. 120
Rear ............................................... 120
Setting ........................................... 120
4Index

Setting the blower output of the
AIRSCARF vents ............................. 121
Setting the center air vents ........... 120
Setting the side air vents ............... 120
Switching AIRSCARF on/off .......... 100
Air-conditioning system
see Climate control
Airbag
Warning lamp ................................. 247
AIRCAP
Cleaning instructions ..................... 289
Extending/retracting ....................... 91
Important safety notes .................... 91
AIRMATIC
Display message ............................ 228
Function/notes ............................. 163
Setting the normal vehicle level ..... 164
Setting the raised vehicle level ...... 164
AIRSCARF
Switching on/off ........................... 100
AIRSCARF vents
Setting the blower output .............. 121
Alarm
ATA (Anti-Theft Alarm system) ......... 74
Switching off (ATA) .......................... 74
Switching the function on/off
(ATA) ................................................ 74
Alarm system
see ATA (Anti-Theft Alarm system)
All-wheel drive
see 4MATIC (permanent four-
wheel drive)
AMG
Adaptive sport suspension sys-
tem ................................................ 165
Performance Seat ............................ 98
Switchable performance exhaust
system ........................................... 129
AMG menu (on-board computer) ..... 208
Animals
see Pets in the vehicle
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-skid chains
see Snow chains
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system) AppCode
see QR code
Armrest
Stowage compartment .................. 264
Ashtray ............................................... 269
Assistance display (on-board com-
puter) .................................................. 203
Assistance menu (on-board com-
puter) .................................................. 204
Assistance system
see Driving systems
ASSYST PLUS
Displaying a service message ........ 285
Driving abroad ............................... 286
Hiding a service message .............. 285
Rese
tting the service interval dis-
play ................................................ 286
Service message ............................ 285
Special service requirements ......... 286
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 74
Function ........................................... 74
Switching off the alarm .................... 74
ATTENTION ASSIST
Activating/deactivating ................. 205
Display message ............................ 228
Displaying level .............................. 181
Function/notes ............................. 180
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 224
see Lights
Automatic car wash (care) ............... 286
Automatic engine start (ECO start/
stop function) .................................... 128
Automatic engine switch-off (ECO
start/stop function) .......................... 127
Automatic headlamp mode .............. 107
Automatic transmission
Accelerator pedal position ............. 135
Changing gear ............................... 135
DIRECT SELECT lever ..................... 133
Display message ............................ 236
Double-clutch function .................. 135
Index5

Drive program ................................ 136
Drive program display .................... 134
Driving tips .................................... 135
DYNAMIC SELECT switch .............. 130
Emergency running mode .............. 141
Engaging drive position .................. 134
Engaging neutral ............................ 133
Engaging park position automati-
cally ............................................... 133
Engaging reverse gear ................... 133
Engaging the park position ............ 133
Gearshift recommendation ............ 140
Gliding mode ................................. 136
Kickdown ....................................... 136
Manual shifting .............................. 138
Oil temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 208
Overview ........................................ 132
Permanent setting ......................... 139
Problem (malfunction) ................... 141
Pulling away ................................... 126
Starting the engine ........................ 125
Steering wheel paddle shifters ...... 138
Transmission position display
(DIRECT SELECT lever) ................... 134
Transmission positions .................. 135
Automatic transmission emer-
gency mode ....................................... 141
B
Back button ....................................... 254
Backup lamp
Display message ............................ 224
BAS (Brake Assist System) ................. 65
Basic settings
see Settings
Battery (SmartKey)
Checking .......................................... 79
Important safety notes .................... 78
Replacing ......................................... 79
Battery (vehicle)
Charging ........................................ 303
Display message ............................ 226
Important safety notes .................. 301
Jump starting ................................. 304
Belt
see Seat belts Belt warning
......................................... 48
Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 205
Display message ............................ 230
Notes/function .............................. 182
see Active Blind Spot Assist
Blower
see Climate control
Bluetooth
®
Connecting a different mobile
phone ............................................ 261
Searching for a mobile phone ........ 260
see also Digital Operator's Man-
ual .................................................. 253
Telephony ...................................... 260
Brake
Active Brake Assist with cross-
traffic function ................................. 71
Brake Assist
see BAS (Brake Assist System)
Brake assistance
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 218
Notes ............................................. 343
Brake force distribution
see EBD (electronic brake force
distribution)
Brake linings
Display message ............................ 218
Brakes
ABS .................................................. 64
Adaptive Brake Assist ...................... 67
BAS .................................................. 65
Brake fluid (notes) ......................... 343
Display message ............................ 213
EBD .................................................. 71
High-performance brake system .... 150
Hill start assist ............................... 127
HOLD function ............................... 161
Important safety notes .................. 148
Maintenance .................................. 149
Parking brake ................................ 145
Riding tips ...................................... 148
Warning lamp ................................. 243
Breakdown
Where will I find...? ........................ 295
6Index

Coolingwit h air dehumidif ication
(multimedia system) ...................... 258
Defrosting the windows ................ .119
Defrosting the windshield .............. 118
ECO start/stop function ................ 116
General notes ................................ 115
Indicator lamp ................................ 117
Ionization ....................................... 120
Ionization (multimedia system) ...... 258
Notes on using the automatic cli-
mate control .................................. 116
Overview ........................................ 257
Overview of systems ......................1 15
Problem with the rear window
defroster ........................................ 119
Problems with cooling with air
dehumidification ............................ 117
Refrigerant ..................................... 344
Refrigerant filling capacity ............. 345
Setting the air distribution ............. 118
Setting the air vents ......................1 20
Setting the airflow ......................... 118
Setting the climate mode (multi-
media system) ............................... 258
Setting the temperature ................ 118
Switching air-recirculation mode
on/off ............................................ 120
Switching on/off ........................... 116
Switching the rear window
defroster on/off ............................ 119
Switching the synchronization
function on and off ........................ 118
Synchronization function (multi-
media system) ............................... 258
Climate control settings
Multimedia system ........................ 257
Climate control system
Climate control .............................. 116
Cockpit
Overview .......................................... 35
Code for Apps
see QR code
COMAND display
Cleaning ......................................... 293
Combination switch .......................... 108
Connecting a USB device
see also Digital Operator's Man-
ual ..................................................2
53C
onsumption statistics (on-board
computer) .......................................... 197
Controller ...........................................2 54
Controlling the speed
see Distance Pilot DISTRONIC
Convenience opening feature ............ 90
Coolant (engine)
Checking the level ......................... 284
Display message ............................ 225
Filling capacity ............................... 344
Important safety notes .................. 343
Temperature display in the instru-
ment cluster .................................. 193
Warning lamp ................................. 248
Cooling
see Climate control
Copyright ............................................. 34
Cornering light function
Display message ............................ 224
Function/notes .............................1 09
Crosswind Assist ................................. 71
Cruise control
Cruise control lever ....................... 152
Deactivating ................................... 153
Display message ............................ 232
Driving system ............................... 151
Function/notes .............................1 51
General notes ................................ 151
Important safety notes .................. 151
Setting a speed .............................. 152
Storing and maintaining current
speed ............................................. 152
Storing the current speed or call-
ing up the last stored speed .......... 152
Cup holder
Center console .............................. 268
Important safety notes .................. 267
Rear compartment ......................... 268
Customer Assistance Center
(CAC) ..................................................... 31
Customer Relations Department ....... 31
D
Dashboard
see Instrument cluster
Dashboard lighting
see Instrument cluster lighting
8Index

Data
see Technica ldat a
Dat acarrier
Selecting ........................................ 20 1
Daytime runnin glam pmode
see Daytime running lamp s
Daytime runnin glamps
Displa ymessage ............................ 22 4
Function/notes ............................ .107
Switching on/off (on-board com-
puter) ............................................. 207
Diagnostics connection ......................31
Digital Operator's Manua l
Help ................................................ .26
Introduction .....................................2 6
Digital speedometer .........................197
DIRECT SELECT lever
Automatic transmission ................. 133
Display
see Display messages
see Warning and indicator lamps
Display messages
ASSYST PLUS ................................ 285
Calling up (on-board computer) ..... 212
Driving systems .............................2 28
Engine ............................................ 225
General notes ................................ 211
Hiding (on-board computer) ........... 211
Introduction ................................... 211
Lights ............................................. 224
Safety systems .............................. 213
SmartKey ....................................... 240
Tires ............................................... 234
Vehicle ...........................................2 36
Distance control
see Driving system
Distance Pilot DISTRONIC
Activating ....................................... 155
Activation conditions ..................... 155
Cruise control lever ....................... 155
Display Message .............. .............. 231
Di

splays in the instrument cluster .. 157
Driving tips ....................................1 59
Driving with Distance Pilot
DISTRONIC ....................................1 56
Function/notes .............................1 53
Important safety notes .................. 154
Setting a speed .............................. 157 Setting the specified minimum
distance ......................................... 157
Stopping ........................................ 156
Switching off .................................. 158
with Steering Pilot ......................... 159
Distance recorder .............................1 96
Distance warning (warning lamp) .... 250
Distance warning function
Function/notes ................................ 66
Distance warning system
see Active Brake Assist
Doors
Automatic locking (switch) ...............8 2
Central locking/unlocking
(SmartKey) ...................................... .76
Control panel .................................. .42
Display message ............................ 238
Emergency locking ........................... 83
Emergency unlocking ....................... 83
Important safety notes .................... 81
Opening (from inside) ...................... 81
Drinking and driving ......................... 147
Drive program
Automatic transmission ................. 136
SETUP (on-board computer,
Mercedes-AMG vehicles) ............... 209
Drive programs
Display (DIRECT SELECT lever) ...... 134
DYNAMIC SELECT switch .............. 130
Driver's door
see Doors
Driver's seat
see Seat
Driving abroad
Mercedes-Benz Service ................. 286
Driving Assistance PLUS package ... 186
Driving on flooded roads .................. 150
Driving safety system
Active Brake Assist .......................... 65
Crosswind Assist ............................. 71
Drivin g safety systems
ABS (Anti-lock Braking System) ....... 64
Active Brake Assist with cross-
traffic function ................................. 71
ADAPTIVE BRAKE ............................. 71
Adaptive Brake Assist ...................... 67
BAS (Brake Assist System) .............. 65
Index9

Distance warning function ............... 66
EBD (electronic brake force distri-
bution) ............................................. 71
ESP
®(Electronic Stability Pro-
gram) ............................................... 67
Important safety information ........... 64
Overview .......................................... 64
STEER CONTROL ............................. 74
Driving system
Distance Pilot DISTRONIC ............. 153
Distance Pilot DISTRONIC with
Steering Pilot ................................. 159
Parking assist PARKTRONIC .......... 170
Parking Pilot .................................. 166
RACE START (Mercedes-AMG
vehicles) ........................................ 162
Driving systems
360°camera .................................. 176
Active Blind Spot Assist ................. 186
Active Lane Keeping Assist ............ 189
AIRMATIC ...................................... 163
AMG adaptive sport suspension
system ........................................... 165
ATTENTION ASSIST ........................ 180
Blind Spot Assist ............................ 182
Cruise control ................................ 151
Display message ............................ 228
Driving Assistance Plus package ... 186
HOLD function ............................... 161
Lane Keeping Assist ...................... 184
Lane Tracking package .................. 182
Rear view camera .......................... 173
Traffic Sign Assist .......................... 182
Driving tips
AMG ceramic brakes ..................... 150
Automatic transmission ................. 135
Brakes ........................................... 148
Break-in period .............................. 122
Distance Pilot DISTRONIC ............. 159
Downhill gradient ........................... 148
Drinking and driving ....................... 147
Driving in winter ............................. 151
Driving on flooded roads ................ 150
Driving on wet roads ...................... 150
Exhaust check ............................... 147
Fuel ................................................ 147
General .......................................... 146
Hydroplaning ................................. 150 Icy road surfaces ........................... 151
Important safety notes .................. 122
Limited braking efficiency on sal-
ted roads ....................................... 149
Snow chains .................................. 315
Subjecting brakes to a load ........... 149
The first 1000 miles (1500
km) ..... 122
W

et road surface ........................... 149
DVD video
Operating (on-board computer) ..... 201
see also Digital Operator's Man-
ual .................................................. 253
DYNAMIC SELECT switch
Automatic transmission ................. 130
Climate control (dual-zone auto-
matic climate control) .................... 116
E
EASY-ENTRY featureFunction/notes ............................. 101
EASY-ENTRY system ............................ 97
EASY-EXIT feature
Function/notes ............................. 101
EBD (electronic brake force distri-
bution)
Display message ............................ 215
Function/notes ................................ 71
ECO display
Function/notes ............................. 147
On-board computer ....................... 197
ECO start/stop function
Automatic engine start .................. 128
Automatic engine switch-off .......... 127
Deactivating/activating ................. 128
General information ....................... 127
Important safety notes .................. 127
Introduction ................................... 127
Electronic brake force distribution
see EBD (electronic brake force
distribution)
Electronic Stability Program
see ESP
®(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 59
Emergency braking
see BAS (Brake Assist System)
10Index

Emergency releaseDriver's door .................................... 83
Trunk .............................................. .85
Vehicle .............................................8 3
Emergency Tensioning Devices
Activation ........................................ .56
Emissions control
Service and warranty information .... 28
Engine
Check Engine warning lamp .......... .247
Display message ............................ 225
ECO start/stop function ................ 127
Engine number ............................... 340
Irregular running ............................ 129
Jump-starting ................................. 304
Starting (important safety notes) ... 125
Starting problems .......................... 129
Starting the engine with the
SmartKey ....................................... 125
Starting via smartphone ................ 126
Starting with the Start/Stop but-
ton ................................................. 125
Switching off .................................. 144
Tow-starting (vehicle) ..................... 309
Engine electronics
Problem (malfunction) ................... 129
Engine jump starting
see Jump starting (engine)
Engine oil
Adding ...........................................2 83
Additives ........................................ 343
Checking the oil level ..................... 282
Checking the oil level using the
dipstick .......................................... 283
Display message ............................ 227
Filling capacity ............................... 343
General notes ................................ 342
Notes about oil grades ................... 342
Notes on oil level/consumption .... 282
Temperature (on-board computer,
Mercedes-AMG vehicles) ...............2 08
Engine oil additives
see Additives (engine oil)
Entering an address
see also Digital Operator's Ma

n-
ual ..................................................2 53
ESC (Electronic Stability Control)
see ESP
®(Electronic Stability Program) ESP
®(Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 209
Characteristics ................................. 68
Crosswind Assist .............................7 1
Deactivating/activating (button
in Mercedes-AMG vehicles) .............6 9
Deactivating/activating (notes,
except Mercedes-AMG vehicles) ...... 68
Deactivating/activating (on-
board computer, except
Mercedes-AMG vehicles) ............... 204
Display message ............................ 213
Function/notes ................................ 67
General notes .................................. 67
Important safety information ........... 68
Trailer stabilization ........................... 70
Warning lamp ................................. 244
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 68
Exhaust
see Exhaust pipe
Exhaust check ................................... 147
Exhaust pipe
Cleaning ......................................... 292
Exterior lighting
Cleaning ......................................... 291
Setting options .............................. 107
see Lights
Exterior mirrors
Adjusting ....................................... 103
Dipping (automatic) ....................... 104
Folding in/out (automatically) ....... 104
Folding in/out (electrically) ........... 103
Out of position (troubleshooting) ... 104
Setting ........................................... 103
Storing settings (memory func-
tion) ............................................... 106
Storing the parking position .......... 104
Eyeglasses compartment ................. 264
F
Favorites
Overview ........................................ 256
Features ............................................. 267
Filler cap
see Refueling
Index11