2018 MERCEDES-BENZ C CLASS service

Index....................................................... 4
Digital Operator's Manual..................27
Introduction .......................................... .27
Operation ............................................... 27
Introduction ......................................... 28
Protecting the environment ...................2 8
Genuine Mercedes-Benz parts .............. .28
Operator's Manual ................................. 29
Service and vehicle operation ................2 9
Operating safety .................................... 31
QR codes for the rescue card ................3 3
Data stored in the vehicle ...................... 33
Information on copyright ....................... 35
At a glance ........................................... 36
Cockpit .................................................. 36
Instrument cluster ................................. 37
Multifunction steering wheel ................. 38
Center console ...................................... 39
Overhead control panel .........................4 2
Door control panel ................................. 43
Safety ................................................... 44
Panic alarm ............................................ 44
Occupant safety .................................... 44
Children in the vehicle ........................... 60
Pets in the vehicle ................................. 65
Driving safety systems ........................... 65
Protection against theft .........................7 6
Opening and closing...........................78
SmartKey ............................................... 78
Doors ..................................................... 84
Trunk ..................................................... 86
Side windows ......................................... 90
Sliding sunroof ....................................... 94
Seats, steering wheel and mirrors ..100
Correct driver's seat position .............. 100
Seats ................................................... 100
Steering wheel .................................... .105
Mirrors ................................................. 108 Memory function ................................. 111
Lights and windshield wipers
..........113
Exterior lighting ................................... 113
Interior lighting ....................................1 16
Replacing bulbs ................................... 117
Windshield wipers ................................ 120
Climate control ................................. 124
Overview of climate control systems ... 124
Operating the climate control sys-
tems .................................................... 126
Air vents .............................................. 133
Driving and parking ..........................135
Notes on breaking-in a new vehicle ..... 135
Driving ................................................. 135
DYNAMIC SELECT switch .................... 144
Automatic transmission ....................... 146
Refueling ............................................. 155
Parking ................................................ 161
Driving tips .......................................... 164
Driving systems ................................... 169
On-board computer and displays ....210
Important safety notes ........................ 210
Displays and operation ........................ 210
Menus and submenus ......................... 214
Display messages ................................ 229
Warning and indicator lamps in the
instrument cluster ............................... 258
Multimedia system ...........................270
General notes ...................................... 270
Important safety notes ........................ 270
Function restrictions ............................ 270
Operating system ................................ 271
Stowage and features ......................280
Stowage areas ..................................... 280
Features .............................................. 289
Maintenance and care ......................303
Engine compartment ........................... 303
2Contents

ASSYST PLUS ...................................... 307
Care ..................................................... 308
Breakdown assistance.....................316
Where will I find...? .............................. 316
Flat tire ................................................ 317
Battery (vehicle) .................................. 322
Jump-starting ....................................... 325
Towing and tow-starting ...................... 327
Fuses ................................................... 330
Wheels and tires ............................... 333
Important safety notes ........................ 333
Operation ............................................ 333
Winter operation .................................. 335
Tire pressure ....................................... 336
Loading the vehicle .............................. 343
All about wheels and tires ...................3 46
Changing a wheel ................................ 352
Wheel/tire combination ......................3 57
Technical data................................... 359
Information regarding technical data ... 359
Vehicle electronics .............................. 359
Identification plates .............................3 60
Service products and filling capaci-
ties ...................................................... 361
Vehicle data ......................................... 367
Contents3

1, 2, 3 ...
4ETS (Electronic Traction System)see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 184
12 V socket
see Socket (12 V)
360° camera
Cleaning .........................................3 13
Display in the multimedia system .. 196
Function/notes .............................1 94
A
ABS (Anti-lock Braking System)
Display message ............................ 231
Function/notes ................................ 66
Warning lamp ................................. 261
Acceleration
see Kickdown
Accident
Automatic measures after an acci-
dent ................................................. 59
Accident warning
see Driving safety system
Activating media mode
General notes ................................ 279
Activating/deactivating cooling
with air dehumidification ................. 127
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 223
Display message ............................ 248
Function/notes .............................2 04
Active Brake Assist
Activating or deactivating .............. 223
Display message ............................ 236
Function/notes ................................ 67
Active Brake Assist with cross-
traffic function
Activating or deactivating .............. 223
Display message ............................ 237
Function/notes ................................ 73
Important safety notes .................... 73
Warning lamp ................................. 267 Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 223
Display message ............................ 248
Function/information .................... 207
Active light function
Display message ............................ 242
Active Service System PLUS
see ASSYST PLUS
ADAPTIVE BRAKE ................................. 73
Adaptive Brake Assist
Function/notes ................................ 68
Adaptive Damping System
Function/notes ............................. 183
Adaptive Damping System with
continuous damping adjustment
(ADS PLUS) ........................................ 182
Adaptive Highbeam Assist
Display message ............................ 242
Function/notes ............................. 115
Switching on/off ........................... 116
Additional speedometer ................... 225
Additives (engine oil) ........................ 365
Address book
see also Digital Operator's Man-
ual .................................................. 270
A

djusting the volume
Multimedia system ........................ 271
After-sales service center
see ASSYST PLUS
Air bags
Deployment ..................................... 56
Display message ............................ 240
Front air bag (driver, front
passenger) ....................................... 50
Important safety notes .................... 49
Introduction ..................................... 49
Knee bag .......................................... 51
Occupant Classification System
(OCS) ............................................... 52
PASSENGER AIR BAG indicator
lamps ............................................... 45
Side impact air bag .......................... 51
Window curtain air bag .................... 51
Air filter (display message) .............. 246
Air vents
Important safety notes .................. 133
4Index

Rear ...............................................133
Setting ...........................................1 33
Setting the center air vents ........... 133
Setting the side air vents ...............1 33
Air-conditioning system
see Climate control
Airbag
Warning lamp ................................. 264
AIRMATIC
Display message ............................ 247
Function/notes .............................1 81
Setting the normal vehicle level ..... 182
Setting the raised vehicle level ...... 182
AIRPANEL
Cleaning instructions ..................... 312
Alarm
ATA (Anti-Theft Alarm system) ......... 76
Switching off (ATA) .......................... 76
Switching the function on/off
(ATA) ................................................ 76
Alarm system
see ATA (Anti-Theft Alarm system)
All-wheel drive
see 4MATIC (permanent four-
wheel drive)
AMG
Adaptive sport suspension sys-
tem ................................................ 183
Performance Seat .......................... 104
Switchable performance exhaust
system ...........................................1 42
AMG menu (on-board computer) ..... 226
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 .................. 281
Ashtray ............................................... 291
Assistance display (on-board com-
puter) ..................................................2 21Assistance menu (on-board com-
puter)
..................................................2 22
Assistance system
see Driving systems
ASSYST PLUS
Displaying a service message ........3 07
Driving abroad ............................... 308
Hiding a service message .............. 307
Resetting the service interval dis-
play ................................................ 308
Service message ............................ 307
Spe cial se
rvice requirements ......... 308
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 76
Function ........................................... 76
Switching off the alarm .................... 76
ATTENTION ASSIST
Activating/deactivating ................. 223
Display message ............................ 247
Displaying level .............................. 199
Function/notes ............................. 198
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 242
see Lights
Automatic car wash (care) ............... 308
Automatic engine start (ECO start/
stop function) .................................... 141
Automatic engine switch-off (ECO
start/stop function) .......................... 141
Automatic headlamp mode .............. 113
Automatic transmission
Accelerator pedal position ............. 149
Changing gear ............................... 149
DIRECT SELECT lever ..................... 146
Display message ............................ 254
Double-clutch function .................. 149
Drive program ................................ 150
Drive program display .................... 148
Driving tips .................................... 149
DYNAMIC SELECT switch .............. 144
Emergency running mode .............. 155
Engaging drive position .................. 147
Engaging neutral ............................ 147
Index5

Emergency unlocking ....................... 85
Important safety notes .................... 84
Opening (from inside) ...................... 84
Drinking and driving ......................... 164
Drive program
Automatic transmission ................. 150
SETUP (on-board computer,
Mercedes-AMG vehicles) ............... 227
Drive programs
Display (DIRECT SELECT lever) ...... 148
DYNAMIC SELECT switch .............. 144
Driver's door
see Doors
Driver's seat
see Seat
Driving abroad
Mercedes-Benz Service ................. 308
Driving Assistance PLUS package ... 204
Driving on flooded roads .................. 168
Driving safety system
Active Brake Assist .......................... 67
Crosswind Assist ............................. 72
Driving safety systems
ABS (Anti-lock Braking System) ....... 66
Active Brake Assist with cross-
traffic function ................................. 73
ADAPTIVE BRAKE ............................. 73
Adaptive Brake Assist ...................... 68
BAS (Brake Assist System) .............. 66
Distance warning function ............... 67
EBD (electronic brake force distri-
bution) ............................................. 72
ESP
®(Electronic Stability Pro-
gram) ............................................... 69
Important safety information ........... 65
Overview .......................................... 65
STEER CONTROL ............................. 75
Driving system
Distance Pilot DISTRONIC ............. 171
Distance Pilot DISTRONIC with
Steering Pilot ................................. 177
Parking assist PARKTRONIC .......... 188
Parking Pilot .................................. 184
RACE START (Mercedes-AMG
vehicles) ........................................ 180
Driving systems
360°camera .................................. 194 Active Blind Spot Assist ................. 204
Active Lane Keeping Assist ............ 207
AIRMATIC ...................................... 181
AMG adaptive sport suspension
system ........................................... 183
ATTENTION ASSIST ........................ 198
Blind Spot Assist ............................ 200
Cruise control ................................ 169
Display
messa
ge ............................ 247
Driving Assistance Plus package ... 204
HOLD function ............................... 179
Lane Keeping Assist ...................... 202
Lane Tracking package .................. 200
Rear view camera .......................... 191
Traffic Sign Assist .......................... 200
Driving tips
AMG ceramic brakes ..................... 168
Automatic transmission ................. 149
Brakes ........................................... 166
Break-in period .............................. 135
Distance Pilot DISTRONIC ............. 177
Downhill gradient ........................... 166
Drinking and driving ....................... 164
Driving in winter ............................. 169
Driving on flooded roads ................ 168
Driving on wet roads ...................... 168
Exhaust check ............................... 165
Fuel ................................................ 164
General .......................................... 164
Hydroplaning ................................. 168
Icy road surfaces ........................... 169
Important safety notes .................. 135
Limited braking efficiency on sal-
ted roads ....................................... 167
Snow chains .................................. 336
Subjecting brakes to a load ........... 167
The first 1000 miles (1500 km) ..... 135
Wet road surface ........................... 167
DVD video
Operating (on-board computer) ..... 219
see also Digital Operator's Man-
ual .................................................. 270
DYNAMIC SELECT switch
Automatic transmission ................. 144
Climate control (dual-zone auto-
matic climate control) .................... 126
10Index

E
EASY-ENTRY featureFunction/notes ............................ .107
EASY-EXIT feature
Function/notes .............................1 07
EASY-PACK trunk box ....................... 286
EBD (electronic brake force distri-
bution)
Display message ............................ 233
Function/notes ................................ 72
ECO display
Function/notes .............................1 65
On-board computer ....................... 215
ECO start/stop function
Automatic engine start .................. 141
Automatic engine switch-off .......... 141
Deactivating/activating ................. 141
General information ....................... 140
Important safety notes .................. 140
Introduction ................................... 140
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)
Emergency release
Driver's door ....................................8 5
Trunk ............................................... 90
Vehicle ............................................. 85
Emergency Tensioning Devices
Activation ......................................... 56
Emissions control
Service and warranty information ....2 9
Engine
Check Engine warning lamp .......... .265
Display message ............................ 243
ECO start/stop function ................ 140
Engine number ............................... 361
Irregular running ............................ 143
Jump-starting ................................. 325
Starting (important safety notes) ... 138
Starting problems .......................... 143 Starting the engine with the
SmartKey ....................................... 138
Starting via smartphone ................ 139
Starting with the Start/Stop but-
ton ................................................. 138
Switching off .................................. 162
Tow-sta

rting (vehicle) ..................... 330
Engine electronics
Problem (malfunction) ................... 143
Engine jump starting
see Jump starting (engine)
Engine oil
Adding ...........................................3 05
Additives ........................................ 365
Checking the oil level ..................... 304
Checking the oil level using the
dipstick .......................................... 305
Display message ............................ 245
Filling capacity ............................... 365
General notes ................................ 364
Notes about oil grades ................... 364
Notes on oil level/consumption .... 304
Temperature (on-board computer,
Mercedes-AMG vehicles) ...............2 26
Engine oil additives
see Additives (engine oil)
Entering an address
see also Digital Operator's Man-
ual ..................................................2 70
ESC (Electronic Stability Control)
see ESP
®(Electronic Stability Program)
ESP®(Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 227
Characteristics ................................. 70
Crosswind Assist .............................7 2
Deactivating/activating (button
in Mercedes-AMG vehicles) .............7 1
Deactivating/activating (notes,
except Mercedes-AMG vehicles) ...... 70
Deactivating/activating (on-
board computer, except
Mercedes-AMG vehicles) ............... 222
Display message ............................ 231
Function/notes ................................ 69
General notes .................................. 69
Important safety information ........... 69
Trailer stabilization ........................... 72
Index11

see also Digital Operator's Man-
ual .................................................. 270
Multifunction display
Function/notes ............................. 212
Multifunction steering wheel
Operating the on-board computer .. 211
Overview .......................................... 38
Multimedia system
Switching on and off ......................2 71
Music files
see also Digital Operator's Man-
ual ..................................................2 70
N
Navigation
Displaying (on-board computer) ..... 216
Menu (on-board computer) ............ 216
see also Digital Operator's Man-
ual ..................................................2 70
Notes on breaking-in a new vehi-
cle ....................................................... 135
O
Occupant Classification System
(OCS)
Conditions ....................................... 52
Faults ............................................... 55
Operation ......................................... 52
System self-test ............................... 54
Occupant safety
Air bags ...........................................4 9
Automatic measures after an acci-
dent ................................................. 59
Belt warning .....................................4 9
Childr eninthe vehicle .................... .60
Important safety notes .................... 44
Introduction to the restraint sys-
tem .................................................. 44
Occupant Classification System
(OCS) ............................................... 52
PASSENGER AIR BAG indicator
lamps ............................................... 45
Pets in the vehicle ........................... 65
PRE-SAFE
®(anticipatory occu-
pant protection) ............................... 58 PRE-SAFE
®PLUS (anticipatory
occupant protection PLUS) .............. 59
Restraint system warning lamp ........ 45
Seat belt .......................................... 45
OCS
Conditions ....................................... 52
Faults ............................................... 55
Operation .........................................5 2
System self-test ............................... 54
Odometer ........................................... 214
Oil
see Engine oil
On-board computer
AMG menu ..................................... 226
Assistance graphic menu ............... 221
Assistance menu ........................... 222
Display messages .......................... 229
Displaying a service message ........ 307
Displays and operation .................. 210
Distance Pilot DISTRONIC ............. 176
Factory settings ............................. 226
G-Meter ......................................... 226
Head-up display ............................. 213
Important safety notes .................. 210
Instrument cluster menu ............... 225
Lights menu ................................... 225
Media menu ................................... 218
Menu ove rview .............................. 214
Me

ssage memory .......................... 230
Navigation menu ............................ 216
RACETIMER ................................... 228
Radio menu ................................... 218
Service menu ................................. 221
Settings menu ............................... 222
Standard display ............................ 214
Telephone menu ............................ 220
Trip menu ...................................... 214
Video DVD operation ..................... 219
On-board diagnostic interface
see Diagnostics connection
Opening and closing the side trim
panels ................................................. 119
Operating safety
Declaration of conformity ................ 31
Important safety notes .................... 31
Operating system
see On-board computer
16Index

Adjusting the 4-way lumbar sup-
port ................................................ 104
Adjusting the head restraint .......... 102
Calling up a stored setting (mem-
ory function) .................................. 111
Cleaning the cover ......................... 314
Folding the backrest (rear com-
partment) forwards/back .............. 283
Important safety notes .................. 100
Seat heating .................................. 104
Seat heating problem .................... 105
Seat ventilation .............................. 105
Seat ventilation problem ................ 105
Storing settings (memory func-
tion) ............................................... 111
Securing a load
see Securing cargo
Securing cargo .................................. 285
Selecting a gear
see Automatic transmission
Selector lever
Cleaning ......................................... 314
see Automatic transmission
Sensors (cleaning instructions) ....... 312
Service center
see Qualified specialist workshop
Service Center
see Qualified specialist workshop
Service menu (on-board com-
puter) .................................................. 221
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 365
Coolant (engine) ............................ 365
DEF special additives ..................... 364
Engine oil ....................................... 364
Fuel ................................................ 361
Important safety notes .................. 361
Refrigerant (air-conditioning sys-
tem) ............................................... 367
Washer fluid ................................... 366
Setting the date/time format
see also Digital Operator's Man-
ual .................................................. 270
Setting the language
see also Digital Operator's Man-
ual .................................................. 270 Setting the time
see also Digital Operator's Man-
ual .................................................. 270
Settings
Factory (on-board computer) ......... 226
On-board computer ....................... 222
SETUP (on-b oard c
omputer,
Mercedes-AMG vehicles) .................. 227
Side impact air bag ............................. 51
Side marker lamp (display mes-
sage) ................................................... 242
Side windows
Cleaning ......................................... 311
Convenience closing feature ............ 92
Convenience opening feature .......... 92
Important safety information ........... 90
Opening/closing .............................. 91
Problem (malfunction) ..................... 93
Resetting ......................................... 93
Reversing feature ............................. 91
SIRIUS services
see also Digital Operator's Man-
ual .................................................. 270
Ski and snowboard bag .................... 282
Sliding sunroof
Important safety notes .................... 94
Opening/closing .............................. 95
Problem (malfunction) ..................... 98
Resetting ......................................... 95
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 81
Changing the programming ............. 80
Checking the battery ....................... 81
Convenience closing feature ............ 92
Convenience opening feature .......... 92
Display message ............................ 257
Door central locking/unlocking ....... 78
Important safety notes .................... 78
KEYLESS-GO start function .............. 80
Loss ................................................. 82
Mechanical key ................................ 80
Overview .......................................... 78
Positions (ignition lock) ................. 136
Problem (malfunction) ..................... 82
Starting the engine ........................ 138
20Index