2018 MERCEDES-BENZ C-CLASS CABRIOLET fuel

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

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

Flat tireChanging a wheel/mounting the
spare wheel .................................. .331
MOExtended tires .......................... 297
Preparing the vehicle ..................... 296
TIREFIT kit ...................................... 298
Floormats ...........................................2 80
Folding wind screen
Cleaning ......................................... 290
Installing .......................................... 92
Removing ......................................... 92
Frequencies
Mobile phone ................................. 338
Two-way radio ................................ 338
Front-passenger seat
see Seat
Fuel
Additives ........................................ 342
Consumption statistics .................. 197
Displaying the current consump-
tion ................................................ 197
Displaying the range ......................1 97
Driving tips ....................................1 47
Fuel gauge ....................................... 36
Grade (gasoline) ............................ 341
Important safety notes .................. 341
Problem (malfunction) ................... 143
Refueling ........................................ 141
Tank content/reserve fuel ............. 341
Fuel filler flap
Closing ...........................................1 43
Fuel level
Calling up the range (on-board
computer) ...................................... 197
Fuel tank
Capacity ........................................ 341
Problem (malfunction) ................... 143
Fuses
Allocation chart .............................3 11
Before changing .............................3 09
Dashboard fuse box ....................... 310
Fuse box in the engine compart-
ment .............................................. 310
Fuse box in the front-passenger
footwell .......................................... 310
Fuse box in the trunk ..................... 311
Important safety notes .................. 309G
G-Meter (on-board computer,
Mercedes-AMG vehicles) .................. 208
Garage door opener
Clearing the memory ..................... 280
General notes ................................ 277
Important safety notes .................. 278
Opening/closing the garage door .. 280
Problems when programming ........2 79
Programming (button in the rear-
view mirror) ................................... 278
Synchronizing the rolling code ....... 279
Gear indicator (on-board com-
puter, Mercedes-AMG vehicles) ....... 208
Genuine parts ...................................... 27
Glove box ...........................................2 64
Google™ Local Search
see also Digital Operator's Man-
ual ..................................................2 53
H
Handbrake
see Parking brake
Handling control system
see ESP
®(Electronic Stability Program)
Handwriting recognition
Switching text reader function
on/off ............................................ 256
Touchpad ....................................... 255
Hazard warning lamps ......................109
Head bags
Display message ............................ 221
Operation ......................................... 51
Head level heating (AIRSCARF) ........100
Head restraints
Adjusting (electrically) ..................... 97
Adjusting the fore-and-aft posi-
tion manually ................................... 96
General notes .................................. 96
Important safety notes .................... 96
Installing/removing (rear) ................ 97
Head-up display
Adjusting the brightness ................ 206
Displays and operating .................. 195
Function/notes .............................1 95
Important safety notes .................. 195
12Index

Cleaning instructions .....................292
Display in the multimedia system .. 173
General notes ................................ 173
Object detection (function/
notes) ............................................ 176
Switching on/off ........................... 173
Wide-angle function ....................... 176
Rear window defroster
Problem (malfunction) ................... 119
Switching on/off ........................... 119
Rear-view mirror
Dipping (automatic) ....................... 104
Recuperation display ........................ 197
Reflective safety jacket .................... 295
Refrigerant (air-conditioning sys-
tem)
Important safety notes .................. 344
Refueling
Fuel gauge ....................................... 36
Important safety notes .................. 141
Refueling process .......................... 142
see Fuel
Remote control
Garage door opener ....................... 277
Programming (garage door
opener) .......................................... 278
Replacing bulbs
General notes ................................ 111
Reporting safety defects .................... 31
Rescue card ......................................... 32
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 227
Warning lamp ................................. 247
Restraint system
Display message ............................ 220
Introduction ..................................... 43
Warning lamp ................................. 247
Warning lamp (function) ................... 44
Reversing feature
Side windows ................................... 85
Roadside Assistance (breakdown) .... 29
Roll away protection
see HOLD function
Roll bar
Display message ............................ 221 Operation ......................................... 55
Roof
Overview .......................................... 88
see Soft top
Roof lining and carpets (cleaning
guidelines) ......................................... 294
Route guidance
see also Digital Operator's Man-
ual .................................................. 253
Route guidance active ...................... 198
S
Safety
Children in the vehicle ..................... 59
see Occupant safety
see Operating safety
Safety system
see Driving safety systems
SD card
Inserting/removing ........................ 261
Selecting ........................................ 201
SD memory card
see also Digital Operator's Man-
ual .................................................. 253
Search & Send
see also Digital Operator's Man-
ual .................................................. 253
Seat
Correct driver's seat position ........... 94
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 48
Cleaning ......................................... 294
Correct usage .................................. 46
Fastening ......................................... 47
Important safety guidelines ............. 45
Introduction ..................................... 44
Releasing ......................................... 48
Warning lamp ................................. 241
Warning lamp (function) ................... 48
Seat function
see Seat
Seats
Adjusting (AMG Performance
Seat) ................................................ 98
Adjusting (electrically) ..................... 96
18Index

Adjusting the 4-way lumbar sup-
port .................................................. 98
Adjusting the head restraint ............ 96
Calling up a stored setting (mem-
ory function) .................................. 106
Cleaning the cover ......................... 294
Folding the backrest (rear com-
partment) forwards/back .............. 265
Folding the backrests forward/
back ................................................. 97
Important safety notes .................... 94
Seat backrest display message ..... 238
Seat heating .................................... 99
Seat heating problem .................... 100
Seat ventilation ................................ 99
Seat ventilation problem ................ 100
Storing settings (memory func-
tion) ............................................... 106
Switching AIRSCARF on/off .......... 100
Securing a load
see Securing cargo
Securing cargo .................................. 266
Selecting a gear
see Automatic transmission
Selector lever
Cleaning ......................................... 293
see Automatic transmission
Sensors (cleaning instructions) ....... 292
Service center
see Qualified specialist workshop
Service Center
see Qualified specialist workshop
Service menu (on-board com-
puter) .................................................. 203
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 343
Coolant (engine) ............................ 343
Engine oil ....................................... 342
Fuel ................................................ 340
Important safety notes .................. 340
Refrigerant (air-conditioning sys-
tem) ............................................... 344
Washer fluid ................................... 344
Setting the date/time format
see also Digital Operator's Man-
ual .................................................. 253 Setting the language
see also Digital Operator's Man-
ual .................................................. 253
Setting the time
see also Digital Operator's Man-
ual .................................................. 253
Se

ttings
Factory (on-board computer) ......... 207
On-board computer ....................... 203
SETUP (on-board computer,
Mercedes-AMG vehicles) .................. 209
Side impact air bag ............................. 50
Side marker lamp (display mes-
sage) ................................................... 224
Side windows
Cleaning ......................................... 291
Important safety information ........... 85
Opening/closing .............................. 86
Opening/closing (all) ....................... 86
Problem (malfunction) ..................... 87
Resetting ......................................... 87
Reversing feature ............................. 85
SIRIUS services
see also Digital Operator's Man-
ual .................................................. 253
SmartKey
Changing the battery ....................... 79
Changing the programming ............. 78
Checking the battery ....................... 79
Display message ............................ 240
Door central locking/unlocking ....... 76
Important safety notes .................... 76
KEYLESS-GO start function .............. 77
Loss ................................................. 80
Mechanical key ................................ 78
Opening/closing soft top ................. 90
Overview .......................................... 76
Positions (ignition lock) ................. 123
Problem (malfunction) ..................... 80
Starting the engine ........................ 125
Smartphone
Starting the engine ........................ 126
SMS
see also Digital Operator's Man-
ual .................................................. 253
Snow chains ...................................... 315
Socket (12 V)
Center console .............................. 270
Index19

Suspension tuningSETUP (on-board computer,
Mercedes-AMG vehicles) ............... 209
Switching air-recirculation mode
on/off .................................................1 20
Switching on media mode
Via the device list .......................... 261
T
Tachometer ........................................ 193
Tail lamps
Display message ............................ 224
Tank
see Fuel tank
Tank content
Fuel gauge ....................................... 36
Technical data
Capacities ...................................... 340
Information .................................... 338
Vehicle data ................................... 345
Telephone
Accepting a call (multifunction
steering wheel) .............................. 202
Authorizing a mobile phone (con-
necting) ......................................... 260
Connecting a mobile phone (gen-
eral information) ............................ 260
Display message ............................ 239
Introduction ................................... 202
Menu (on-board computer) ............ 202
Number from the phone book ........ 202
Redialing ........................................ 203
Rejecting/ending a call ................. 202
see also Digital Operator's Man-
ual .................................................. 253
Switching between mobile
phones ........................................... 261
see Mobile phone
Temperature
Coolant (display in the instrument
cluster) .......................................... 193
Engine oil (on-board computer,
Mercedes-AMG vehicles) ............... 208
Outside temperature ...................... 193
Setting (climate control) ................ 118
Transmission oil (on-board com-
puter, Mercedes-AMG vehicles) ..... 208 Through-loading feature
................... 265
Timing (RACETIMER) ......................... 210
Tire pressure
Calling up (on-board computer) ..... 319
Checking manually ........................ 318
Display message ............................ 234
Maximum ....................................... 318
Not reached (TIREFIT) .................... 299
Notes ............................................. 316
Reached (TIREFIT) .......................... 300
Recommended ............................... 315
Using the TIREFIT kit ...................... 298
Tire pressure loss warning system
General notes ................................ 318
Important safety notes .................. 318
Restarting ...................................... 319
Tire pressure monitor
Checking the tire pressure elec-
tronically ........................................ 321
Function/notes ............................. 319
Genera l note
s ................................ 319
Important safety notes .................. 319
Radio type approval for the tire
pressure monitor ........................... 322
Restarting ...................................... 321
Warning lamp ................................. 251
Warning message .......................... 321
Tire pressure sensors
Display message ............................ 235
Tire-change tool kit ........................... 296
TIREFIT kit
Important safety notes .................. 298
Storage location ............................ 296
Tire pressure not reached .............. 299
Tire pressure reached .................... 300
Using ............................................. 298
Tires
Aspect ratio (definition) ................. 331
Average weight of the vehicle
occupants (definition) .................... 329
Bar (definition) ............................... 329
Changing a wheel .......................... 331
Characteristics .............................. 329
Checking ........................................ 313
Curb weight (definition) ................. 330
Definition of terms ......................... 329
Direction of rotation ...................... 332
Display message ............................ 234
Index21

Vehicle batterysee Battery (vehicle)
Vehicle dimensions ........................... 345
Vehicle emergency locking ................ 83
Vehicle identification number
see VIN
Vehicle identification plate .............. 339
Vehicle level
AIRMATIC ...................................... 164
Display message ............................ 228
Video
Operating the DVD ......................... 201
see also Digital Operator's Man-
ual .................................................. 253
VIN
Seat ............................................... 340
Type plate ...................................... 339
W
Warning and indicator lampsABS ................................................ 244
Active Brake Assist ........................ 250
Airbag ............................................ 247
Brakes ........................................... 243
Coolant .......................................... 248
Distance warning ........................... 250
Engine diagnostics ......................... 247
ESP
®.............................................. 244
ESP®OFF ....................................... 246
Fuel tank ........................................ 247
General notes ................................ 241
Overview .......................................... 36
Parking brake ................................ 247
PASSENGER AIR BAG ...................... 44
Reserve fuel ................................... 247
Restraint system ............................ 247
Seat belt ........................................ 241
SPORT handling mode ................... 246
Steering ......................................... 252
Tire pressure monitor .................... 251
Warranty .............................................. 28
Washer fluid
Display message ............................ 239
Weather display (COMAND)
see also Digital Operator's Man-
ual .................................................. 253 Wheel and tire combinations
Tires ............................................... 336
Wheel bolt tightening torque ........... 336
Wheel chock ...................................... 332
Wheels
Changing a wheel .......................... 331
Checking ........................................ 313
Cleaning ......................................... 291
Important safety notes .................. 312
Information on driving .................... 312
Interchanging/changing ................ 331
Mounting a new wheel ................... 335
Mounting a wheel .......................... 332
Removing a wheel .......................... 335
Snow chains .................................. 315
Storing ........................................... 332
Tightening torque ........................... 336
Wheel size/tire size ....................... 336
Wind deflector (cleaning instruc-
tions) .................................................. 289
Wind screen ......................................... 91
Wind screen (cleaning instruc-
tions) .................................................. 290
Windows
see Side windows
Windshield
Defrosting ...................................... 118
Windshield washer fluid
see Windshield washer system
Windshield washer system
Adding washer fluid ....................... 285
Important safety notes .................. 344
Windshield wipers
Problem (malfunction) ................... 114
Repl acing the w
iper blades ............ 112
Switching on/off ........................... 111
Winter driving
Important safety notes .................. 314
Slippery road surfaces ................... 151
Snow chains .................................. 315
Winter operation
Radiator cover ............................... 282
Summer tires ................................. 314
Winter tires
M+S tires ....................................... 314
Wiper arm
Moving to a vertical position .......... 112
24Index