2018 MERCEDES-BENZ C CLASS warning light

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

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

Coolingwit h air dehumidif ication
(multimedia system) ...................... 276
Defrosting the windows ................ .129
Defrosting the windshield .............. 129
ECO start/stop function ................ 126
General notes ................................ 124
Indicator lamp ................................ 127
Ionization ....................................... 133
Ionization (multimedia system) ...... 275
Notes on using the automatic cli-
mate control .................................. 126
Overview ........................................ 274
Overview of systems ......................1 24
Perfume atomizer .......................... 131
Perfume atomizer (multimedia
system) .......................................... 275
Pre-entry climate control (via key)
(multimedia system) ......................2 75
Pre-entry climate control at
departure time (multimedia sys-
tem) ............................................... 275
Problem with the rear window
defroster ........................................ 130
Problems with cooling with air
dehumidification ............................ 127
Rear control panel ......................... 125
Refrigerant ..................................... 367
Refrigerant filling capacity ............. 367
Setting the air distribution ............. 128
Setting the air vents ......................1 33
Setting the airflow ......................... 128
Setting the climate mode ...............1 27
Setting the climate mode (multi-
media system) ............................... 275
Setting the temperature ................ 128
Switching air-recirculation mode
on/off ............................................ 130
Switching on/off ........................... 126
Switching residual heat on/off ...... 131
Switching the rear window
defroster on/off ............................ 130
Switching the synchronization
function on and off ........................ 129
Synchronization function (multi-
media system) ..................... .......... 276
C

limate control settings
Multimedia system ........................ 274 Climate control system
Climate control .............................. 126
Cockpit
Overview .......................................... 36
Code for Apps
see QR code
COMAND display
Cleaning ......................................... 313
Combination switch .......................... 114
Connecting a USB device
see also Digital Operator's Man-
ual ..................................................2 70
Consumption statistics (on-board
computer) .......................................... 215
Controller ...........................................2 71
Controlling the speed
see Distance Pilot DISTRONIC
Convenience box ............................... 286
Convenience closing feature .............. 92
Convenience opening feature ............ 92
Coolant (engine)
Checking the level ......................... 306
Display message ............................ 243
Filling capacity ............................... 366
Important safety notes .................. 365
Temperature display in the instru-
ment cluster .................................. 211
Warning lamp ................................. 265
Cooling
see Climate control
Copyright ............................................. 35
Cornering light function
Display message ............................ 242
Function/notes .............................1 15
Cover
see Roller sunblind
Crosswind Assist ................................. 72
Cruise control
Cruise control lever ....................... 170
Deactivating ................................... 171
Display message ............................ 251
Driving system ............................... 169
Function/notes .............................1 69
General notes ................................ 169
Important safety notes .................. 169
Setting a speed .............................. 170
8Index

Storing and maintaining current
speed ............................................. 170
Storing the current speed or call-
ing up the last stored speed .......... 170
Cup holder
Center console .............................. 289
Important safety notes .................. 289
Rear compartment ......................... 289
Customer Assistance Center
(CAC) ..................................................... 32
Customer Relations Department ....... 32
D
Dashboard
see Instrument cluster
Dashboard lighting
see Instrument cluster lighting
Data
see Technical data
Data carrier
Selecting ........................................ 219
Daytime running lamp mode
see Daytime running lamps
Daytime running lamps
Display message ............................ 242
Function/notes ............................. 113
Switching on/off (on-board com-
puter) ............................................. 225
DEF
Adding ........................................... 158
Display message ............................ 246
Displaying level and range ............. 221
Filling capacity ............................... 364
Important safety notes .................. 364
Low outside temperatures ............. 364
Purity ............................................. 364
DEF
®
Additives ........................................ 364
Diagnostics connection ...................... 32
Diesel .................................................. 363
Digital Operator's Manual
Help ................................................. 27
Introduction ..................................... 27
Digital speedometer ......................... 215
DIRECT SELECT lever
Automatic transmission ................. 146 Display
see Display messages
see Warning and indicator lamps
Display messages
ASSYST PLUS ................................ 307
Calling up (on-board computer) ..... 230
Driving systems ............................. 247
Engine ............................................ 243
General notes ................................ 229
Hiding (on-board computer) ........... 229
Introduction ................................... 229
Lights ............................................. 242
Safety systems .............................. 231
SmartKey ....................................... 257
Tires ............................................... 252
Vehicle ........................................... 254
Distance control
see Driving system
Distance Pilot DISTRONIC
Activating ....................................... 173
Activation conditions ..................... 173
Cruise control lever ....................... 173
Display Message ............................ 249
Displays in the instrument cluster .. 175
Driving tips .................................... 177
Driving with Distance Pilot
DISTRONIC .................................... 174
Function/notes ............................. 171
Important safety notes .................. 172
Setting a speed .............................. 175
Setting the spe cifie
d minimum
distance ......................................... 175
Stopping ........................................ 174
Switching off .................................. 176
with Steering Pilot ......................... 177
Distance recorder ............................. 214
Distance warning (warning lamp) .... 267
Distance warning function
Function/notes ................................ 68
Distance warning system
see Active Brake Assist
Doors
Automatic locking (switch) ............... 85
Central locking/unlocking
(SmartKey) ....................................... 78
Control panel ................................... 43
Display message ............................ 256
Emergency locking ........................... 85
Index9

Warning lamp ................................. 261
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 69
Exhaust
see Exhaust pipe
Exhaust check ................................... 165
Exhaust pipe
Cleaning ......................................... 313
Exterior lighting
Cleaning ......................................... 312
Setting options .............................. 113
see Lights
Exterior mirrors
Adjusting ....................................... 108
Dipping (automatic) ....................... 109
Folding in/out (automatically) .......1 09
Folding in/out (electrically) ........... 109
Out of position (troubleshooting) ... 109
Setting ........................................... 109
Storing settings (memory func-
tion) ............................................... 111
Storing the parking position .......... 110
Eyeglasses compartment ................. 281
F
Favorites
Overview ........................................ 273
Features ............................................. 289
Filler cap
see Refueling
Flat tire
Changing a wheel/mounting the
spare wheel ................................... 352
MOExtended tires .......................... 318
Preparing the vehicle ..................... 317
TIREFIT kit ...................................... 319
Floormats ........................................... 302
Frequencies
Mobile phone ................................. 359
Two-way radio ................................ 359
Front wheel arch
Removing/installing the cover ....... 119
Front wheel arch cover
Installing/removing ....................... 119
Front-passenger seat
see Seat Fuel
Additives ........................................ 363
Consumption statistics .................. 215
Diesel ............................................ 363
Displaying the current consump-
tion ................................................ 215
Displaying the range ...................... 215
Driving tips .................................... 164
Fuel gauge ....................................... 37
Grade (gasoline) ............................ 362
Important safety notes .................. 362
Low outside temperatures ............. 364
Problem (malfunction) ................... 158
Quality (diesel) ............................... 363
Refueling ........................................ 155
Tank content/reserve fuel ............. 362
Fuel filler flap
Closing ........................................... 157
Fuel filter (display message) ............ 246
Fuel level
Calling up the range (on-board
computer) ...................................... 215
Fuel tank
Capacity ........................................ 362
Problem (malfunction) ................... 158
Fuses
Allocation chart ............................. 332
Before changing ............................. 331
Dashboard fuse box ....................... 331
Fuse box in the engine compart-
ment .............................................. 331
Fuse box in the front-passenger
footwell .......................................... 331
Fuse box in the trunk ..................... 332
Important safety notes .................. 330
G
G-Meter (on-board computer,
Mercedes-AMG vehicles) .................. 226
Garage door opener
Clearing the memory ..................... 302
General notes ................................ 299
Important safety notes .................. 300
Opening/closing the garage doo r..3 02
Problems when programming ........3 01
Programming (button in the rear-
view mirror) ................................... 300
12Index

Synchronizing the rolling code ....... 301
Gear indicator (on-board com-
puter, Mercedes-AMG vehicles) ....... 226
Genuine parts ...................................... 28
Glove box ........................................... 281
Google™ Local Search
see also Digital Operator's Man-
ual .................................................. 270
H
Handbrakesee Parking brake
Handling control system
see ESP
®(Electronic Stability Program)
HANDS-FREE ACCESS .......................... 88
Handwriting recognition
Switching text reader function
on/off ............................................ 273
Touchpad ....................................... 272
Hazard warning lamps ...................... 115
Head restraints
Adjusting (electrically) ................... 103
Adjusting (manually) ...................... 103
Adjusting (rear) .............................. 103
Adjusting the fore-and-aft posi-
tion manually ................................. 103
General notes ................................ 102
Important safety notes .................. 102
Installing/removing (rear) .............. 103
Head-up display
Adjusting the brightness ................ 224
Displays and operating .................. 213
Function/notes ............................. 213
Important safety notes .................. 213
Selecting displays .......................... 224
Setting the position ....................... 224
Storing settings (memory func-
tion) ............................................... 111
Switching on or off ......................... 213
Headlamps
Display message ............................ 242
Fogging up ..................................... 116
see Automatic headlamp mode
Heating
see Climate control
High beam flasher ............................. 114 High-beam headlamps
Adaptive Highbeam Assist ............. 115
Display message ............................ 242
Replacing bulbs ............................. 118
Switching on/off ........................... 114
Hill start assist .................................. 140
HOLD function
Activating ....................................... 180
Activation conditions ..................... 179
Deactivating ................................... 180
Display message ............................ 249
Function/notes ............................. 179
General notes ................................ 179
Home address
see also Digital Operator's Man-
ual .................................................. 270
Hood
Closing ........................................... 304
Display message ............................ 256
Important safety notes .................. 303
Opening ......................................... 303
Horn ...................................................... 36
HUD
see Head-up display
Hydroplaning ..................................... 168
I
Ignition key
see SmartKey
Ignition lock
see Key positions
Immobilizer .......................................... 76
Indicator lamp
Replacing bulbs (rear) .................... 119
Indicator lamps
see Warning and indicator lamps
Indicators
see Turn signals
Insect protection on the radiator .... 304
Inspection
see ASSYST PLUS
Instrument cluster
Overview .......................................... 37
Warning and indicator lamps ........... 37
Instrument cluster lighting .............. 210
Interior lighting
Automatic control .......................... 117
Index13

Control ...........................................117
Overview ........................................ 116
Reading lamp ................................. 116
iPod
®
see also Digital Operator's Man-
ual ..................................................2 70
J
Jack
Using ............................................. 354
Jump starting (engine) ......................325
K
Key positions
SmartKey ....................................... 136
Start/Stop button .......................... 137
KEYLESS-GO
Activating ......................................... 79
Convenience closing feature ............ 92
Deactivation ..................................... 79
Locking ............................................ 79
Removing the Start/Stop button ... 137
Start function ................................... 80
Unlocking ......................................... 79
Kickdown
Driving tips ....................................1 49
Manual gearshifting ....................... 154
Knee bag .............................................. 51
L
Lamps
see Warning and indicator lamps
Lane Change Assist
see Active Blind Spot Assist
Lane detection (automatic)
see Lane Keeping Assist
Lane Keeping Assist
Activating/deactivating ................. 203
Activating/deactivating (on-
board computer) ............................ 223
Display message ............................ 248
Function/information .................... 202
see Active Lane Keeping Assist
Lane Tracking package ..................... 200
Lap time (RACETIMER) ...................... 228LATCH-type (ISOFIX) child seat
anchors
................................................ 62
License plate lamp (display mes-
sage) ................................................... 242
Light function, active
Display message ............................ 242
Light switch
Operation ....................................... 113
Lights
Adaptive Highbeam Assist ............. 115
Automatic headlamp mode ............ 113
Cornering light function ................. 115
Fogged up headlamps .................... 116
General notes ................................ 113
Hazard warning lamps ................... 115
High beam flasher .......................... 114
High-beam headlamps ................... 114
Light switch ................................... 113
Low-beam headlamps .................... 114
Parking lamps ................................ 114
Rear fog lamp ................................ 114
Setting exterior lighting ................. 113
Standing lamps .............................. 114
Switching the daytime running
lamps on/off (on-board com-
puter) ............................................. 225
Turn signals ................................... 114
see Interior lighting
Loading guidelines ............................ 280
Locking
see Central locking
Locking (doors)
Automatic ........................................ 85
Emergency locking ........................... 85
From inside (central locking but-
ton) .................................................. 84
Locking centrally
see Central locking
Low-beam headlamps
Display message ............................ 242
Replacing bulbs ............................. 118
Switching on/off ........................... 114
Lubricant additives
see Additives (engine oil)
Lumbar suppo rt
Ad

justing the 4-way lumbar sup-
port ................................................ 104
14Index