2019 MERCEDES-BENZ CLA check engine

Consumption statistics (on-board
computer).......................................... 182
Controller...........................................232
Convenience closing feature.............. 84
Convenience opening feature............ 83
Coolant (engine)
Checking the level ......................... 263
Display message ............................ 207
Filling capacity ............................... 323
Important safety notes .................. 323
Temperature (on-board computer,
Mercedes-AMG vehicles) ...............190
Temperature gauge ........................ 179
Warning lamp ................................. 227
Cooling
see Climate control
Copyright............................................. 31
Cornering light function
Display message ............................ 204
Cruise control
Activation conditions ..................... 151
Cruise control lever ....................... 151
Deactivating ................................... 152
Display message ............................ 212
Driving system ............................... 150
Function/notes .............................150
Important safety notes .................. 151
Setting a speed .............................. 152
Storing and maintaining current
speed ............................................. 151
Cup holder
Center console .............................. 245
Important safety notes .................. 244
Rear compartment ......................... 246
Customer Assistance Center
(CAC)..................................................... 28
Customer Relations Department....... 28
D
Dashboard
see Instrument cluster
Data
see Technical data
Daytime running lamps
Display message ............................ 206
Function/notes .............................101
Switching on/off (on-board com-
puter) ............................................. 189
Declarations of conformity................. 27
Decorative film
Cleaning instructions ..................... 267
Diagnostics connection......................28
Digital Operator's Manual
Help .................................................23
Introduction .....................................23
Digital speedometer.........................183
DIRECT SELECT lever
Automatic transmission ................. 131
Display messages
ASSYST PLUS ................................ 264
Calling up (on-board computer) ..... 193
Driving systems .............................209
Engine ............................................ 207
General notes ................................ 193
Hiding (on-board computer) ........... 193
Lights ............................................. 204
Safety systems .............................. 194
SmartKey ....................................... 218
Tires ............................................... 213
Vehicle ...........................................215
Distance control
see Active Distance Assist DISTRONIC
Distance recorder.............................182
Distance warning (warning lamp).... 229
Distance warning function
Function/notes ................................ 62
Warning lamp ................................. 229
Doors
Automatic locking (on-board com-
puter) ............................................. 189
Automatic locking (switch) ...............77
Central locking/unlocking
(SmartKey) .......................................70
Control panel ...................................38
Display message ............................ 218
Emergency locking ........................... 77
Emergency unlocking ....................... 77
Important safety notes.................... 76
Opening (from inside) ...................... 76
Drinking and driving......................... 146
Drive program
Automatic transmission ................. 135
Display ........................................... 133
8Index

Display (DIRECT SELECT lever) ...... 131
Driver's door
see Doors
Driving
Towing vehicles ............................. 129
Driving abroad
Mercedes-Benz Service ................. 265
Driving on flooded roads.................. 150
Driving safety system
Active Brake Assist .......................... 62
Braking assistance appropriate to
the situation .....................................63
Driving safety systems
ABS (Anti-lock Braking System) .......61
ADAPTIVE BRAKE............................. 68
BAS (Brake Assist System) .............. 61
Distance warning function ............... 62
EBD (electronic brake force distri-
bution) ............................................. 67
ESP®(Electronic Stability Pro-
gram) ............................................... 64
Important safety information ........... 61
Overview .......................................... 61
STEER CONTROL ............................. 68
Driving system
DYNAMIC BODY CONTROL ............ 162
Parking assist PARKTRONIC .......... 162
RACE START (Mercedes-AMG
vehicles) ........................................ 160
Start-off assist ............................... 159
Driving systems
Active Parking Assist ..................... 165
AMG adaptive sport suspension
system ........................................... 161
ATTENTION ASSIST ........................ 173
Blind Spot Assist ............................ 174
Cruise control ................................ 150
Display message ............................ 209
HOLD function ............................... 158
Lane Keeping Assist ...................... 176
Lane Tracking package .................. 174
Rear view camera .......................... 169
Driving tips
Active Distance Assist
DISTRONIC ............................ 152, 158
Automatic transmission ................. 134
Brakes ........................................... 147
Break-in period .............................. 122
Checking brake lining thickness .... 149
Downhill gradient ........................... 147
Drinking and driving ....................... 146
Driving in winter ............................. 150
Driving on flooded roads ................ 150
Driving on wet roads ...................... 149
Exhaust check ............................... 146
Fuel ................................................ 146
General .......................................... 145
Hydroplaning ................................. 149
Icy road surfaces ........................... 150
Limited braking efficiency on sal-
ted roads ....................................... 148
Snow chains .................................. 293
The first 1000 miles (1500 km) ..... 122
Wet road surface ........................... 148
DVD video
Operating (on-board computer) ..... 185
see also Digital Operator's Man-
ual .................................................. 231
DYNAMIC SELECT button
Climate control (3-zone automatic
climate control) ............................. 116
Climate control (air-conditioning
system) .......................................... 113
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles).................................................... 129
DYNAMIC SELECT controller............ 130
DYNAMIC SELECT controller
(Mercedes-AMG vehicles)................. 130
E
EASY-PACK tailgate
see Tailgate
EASY-VARIO-PLUS system
Cargo compartment enlargement .. 242
EBD (electronic brake force distri-
bution)
Display message ............................ 196
Function/notes................................ 67
ECO display
Function/notes............................. 146
On-board computer ....................... 182
ECO start/stop function
Automatic engine start .................. 127
Automatic engine switch-off .......... 127
Index9

Deactivating/activating ................. 128
General information ....................... 127
Important safety notes.................. 127
Introduction ................................... 126
Electronic Stability Program
see ESP®(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 54
Emergency release
Driver's door .................................... 77
Vehicle ............................................. 77
Emergency spare wheel
General notes ................................ 316
Important safety notes .................. 315
Removing ....................................... 316
Emergency Tensioning Devices
Activation ......................................... 52
Emissions control
Service and warranty information .... 25
Engine
Check Engine warning lamp ........... 226
Display message ............................ 207
ECO start/stop function ................ 126
Engine number ............................... 319
Irregular running ............................ 128
Jump-starting ................................. 282
Starting (important safety notes)... 124
Starting problems .......................... 128
Starting the engine with the
SmartKey ....................................... 125
Starting with the Start/Stop but-
ton ................................................. 125
Switching off .................................. 143
Tow-starting (vehicle) ..................... 287
Engine electronics
Problem (malfunction) ................... 128
Engine oil
Adding ........................................... 262
Additives ........................................ 322
Checking the oil level ..................... 261
Checking the oil level using the
dipstick .......................................... 261
Display message ............................ 208
Filling capacity ............................... 322
Notes about oil grades................... 322
Notes on oil level/consumption .... 261
Temperature (on-board computer,
Mercedes-AMG vehicles) ............... 190
Entering an address
see also Digital Operator's Man-
ual .................................................. 231
ESP®(Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 191
Characteristics ................................. 65
Deactivating/activating (button
in Mercedes-AMG vehicles) ............. 66
Deactivating/activating (except
Mercedes‑AMG vehicles) ................. 65
Deactivating/activating (on-
board computer, except
Mercedes-AMG vehicles) ............... 187
Display message ............................ 194
Function/notes................................ 64
General notes .................................. 64
Important safety information ........... 64
Trailer stabilization ........................... 67
Warning lamp ................................. 223
ETS/4ETS (Electronic Traction Sys-
tem)...................................................... 64
Exhaust
see Exhaust pipe
Exhaust check................................... 146
Exhaust pipe
Cleaning ......................................... 270
Exterior lighting
Cleaning ......................................... 269
see Lights
Exterior mirrors
Adjusting ......................................... 97
Dipping (automatic) ......................... 98
Folding in when locking (on-board
computer) ...................................... 190
Folding in/out (automatically)......... 98
Folding in/out (electrically) ............. 98
Out of position (troubleshooting) ..... 98
Setting ............................................. 98
Storing settings (memory func-
tion) ............................................... 100
Storing the parking position ............. 99
Eyeglasses compartment................. 240
10Index

Folding the backrest (rear com-
partment) forwards/back .............. 242
Important safety notes .................... 91
Seat heating problem ...................... 96
Storing settings (memory func-
tion) ............................................... 100
Switching seat heating on/off ......... 95
Section
Trunk ............................................... 78
Securing cargo.................................. 243
Selector lever
Cleaning ......................................... 271
Sensors (cleaning instructions)....... 269
Service center
see Qualified specialist workshop
Service Center
see Qualified specialist workshop
Service menu (on-board com-
puter).................................................. 188
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 322
Coolant (engine) ............................ 323
Engine oil ....................................... 322
Fuel ................................................ 319
Important safety notes .................. 319
Refrigerant (air-conditioning sys-
tem) ............................................... 324
Washer fluid ................................... 323
Setting the air distribution............... 117
Setting the airflow............................ 118
Setting the date/time format
see also Digital Operator's Man-
ual .................................................. 231
Setting the language
see also Digital Operator's Man-
ual .................................................. 231
Setting the time
see also Digital Operator's Man-
ual .................................................. 231
Settings
Factory (on-board computer) ......... 190
On-board computer ....................... 188
SETUP (on-board computer,
Mercedes-AMG vehicles).................. 191
Side impact air bag............................. 47
Side marker lamp (display mes-
sage)................................................... 206
Side windows
Cleaning ......................................... 268
Convenience closing feature ............ 84
Convenience opening feature .......... 83
Important safety information ........... 82
Opening/closing .............................. 83
Problem (malfunction) ..................... 85
Resetting ......................................... 85
Reversing feature ............................. 83
SIRIUS services
see also Digital Operator's Man-
ual .................................................. 231
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 73
Changing the programming ............. 72
Checking the battery ....................... 73
Convenience closing feature ............ 84
Convenience opening feature .......... 83
Display message............................ 218
Door central locking/unlocking ....... 70
Important safety notes .................... 70
KEYLESS-GO start function .............. 71
Loss ................................................. 74
Mechanical key ................................ 72
Positions (ignition lock) ................. 123
Problem (malfunction) ..................... 74
Starting the engine ........................ 125
SmartKey positions (ignition lock).. 123
Smartphone
Starting the engine ........................ 125
SMS
see also Digital Operator's Man-
ual .................................................. 231
Snow chains...................................... 293
Sockets
Center console .............................. 247
General notes ................................ 247
Rear compartment ......................... 248
Trunk ............................................. 248
Sound
Switching on/off........................... 232
Special seat belt retractor.................. 55
Index17

Connecting a mobile phone (gen-
eral information) ............................ 235
Display message ............................ 218
Introduction ...................................185
Menu (on-board computer) ............ 185
Number from the phone book ........186
Redialing ........................................ 186
Rejecting/ending a call ................. 186
see also Digital Operator's Man-
ual ..................................................231
Temperature
Coolant .......................................... 179
Coolant (on-board computer,
Mercedes-AMG vehicles) ...............190
Engine oil (on-board computer,
Mercedes-AMG vehicles) ...............190
Outside temperature ......................178
Setting (climate control) ................ 117
Transmission oil (on-board com-
puter, Mercedes-AMG vehicles) ..... 190
Through-loading feature................... 241
Timing (RACETIMER)......................... 191
Tire pressure
Calling up (on-board computer) ..... 297
Checking manually ........................ 296
Display message ............................ 213
Maximum ....................................... 296
Not reached (TIREFIT) .................... 277
Notes ............................................. 295
Reached (TIREFIT) .......................... 278
Recommended ............................... 293
Tire pressure loss warning system
General notes ................................ 296
Important safety notes .................. 297
Restarting ...................................... 297
Tire pressure monitor
Checking the tire pressure elec-
tronically ........................................ 299
Function/notes .............................297
General notes ................................ 297
Important safety notes .................. 298
Radio type approval for the tire
pressure monitor ........................... 300
Restarting ...................................... 300
Warning lamp ................................. 230
Warning message .......................... 299
TIREFIT kit.......................................... 276
Important safety notes .................. 276
Storage location ............................ 274
Tire pressure not reached .............. 277
Tire pressure reached .................... 278
Tires
Aspect ratio (definition) ................. 310
Average weight of the vehicle
occupants (definition) .................... 308
Bar (definition) ............................... 308
Changing a wheel .......................... 310
Characteristics .............................. 308
Checking ........................................ 290
Curb weight (definition) ................. 309
Definition of terms ......................... 308
Direction of rotation...................... 311
Display message ............................ 213
Distribution of the vehicle occu-
pants (definition) ............................ 310
DOT (Department of Transporta-
tion) (definition) ............................. 308
DOT, Tire Identification Number
(TIN) ............................................... 308
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 309
General notes ................................ 315
GVW (Gross Vehicle Weight) (def-
inition) ........................................... 309
GVWR (Gross Vehicle Weight Rat-
ing) (definition) .............................. 309
Important safety notes .................. 290
Increased vehicle weight due to
optional equipment (definition) ...... 309
Information on driving .................... 290
Kilopascal (kPa) (definition) ........... 309
Labeling (overview) ........................ 305
Load bearing index (definition) ...... 310
Load index ..................................... 307
Load index (definition) ................... 309
M+S tires ....................................... 292
Maximum load on a tire (defini-
tion) ............................................... 309
Maximum loaded vehicle weight
(definition) ..................................... 309
Maximum permissible tire pres-
sure (definition) ............................. 309
Maximum tire load ......................... 307
Maximum tire load (definition) ....... 309
MOExtended tires.......................... 292
Index19

U
Unlocking
Emergency unlocking .......................77
From inside the vehicle (central
unlocking button) ............................. 76
Upshift indicator (on-board com-
puter, Mercedes-AMG vehicles)....... 190
USB devices
Connecting to the Media Inter-
face ............................................... 238
V
Vanity mirror (in the sun visor)........ 246
Vehicle
Correct use ...................................... 28
Data acquisition ............................... 29
Display message............................ 215
Equipment ....................................... 25
Individual settings .......................... 188
Limited Warranty ............................. 29
Loading .......................................... 301
Locking (in an emergency) ............... 77
Locking (SmartKey).......................... 70
Lowering ........................................ 314
Maintenance .................................... 26
Parking for a long period ................ 145
Pulling away ................................... 126
Raising ........................................... 312
Reporting problems ......................... 28
Securing from rolling away ............ 312
Transporting .................................. 287
Unlocking (in an emergency) ........... 77
Unlocking (SmartKey)...................... 70
Vehicle data ................................... 325
Vehicle data
Roof load (maximum) ..................... 325
Vehicle dimensions........................... 325
Vehicle emergency locking................ 77
Vehicle identification number
see VIN
Vehicle identification plate.............. 318
Vehicle tool kit.................................. 274
Ventilation
Setting the vents ........................... 121
Video
Operating the DVD ......................... 185
see also Digital Operator's Man-
ual .................................................. 231
VIN
Seat ............................................... 319
Type plate ...................................... 318
W
Warning and indicator lamps
ABS ................................................ 222
Active Brake Assist ........................ 229
Brakes ........................................... 221
Check Engine ................................. 226
Coolant .......................................... 227
Distance warning ........................... 229
ESP®.............................................. 223
ESP®OFF ....................................... 224
Fuel tank ........................................ 226
Overview .......................................... 33
PASSENGER AIR BAG ...................... 41
Reserve fuel ................................... 226
Restraint system ............................ 226
Seat belt ........................................ 220
SPORT handling mode ................... 224
Tire pressure monitor .................... 230
Warranty.............................................. 25
Washer fluid
Display message ............................ 218
Weather display (COMAND)
see also Digital Operator's Man-
ual .................................................. 231
Wheel and tire combinations
Tires ............................................... 315
Wheel bolt tightening torque........... 314
Wheel chock...................................... 312
Wheels
Changing a wheel.......................... 310
Checking ........................................ 290
Cleaning ......................................... 268
Emergency spare wheel ................. 315
Important safety notes .................. 290
Information on driving .................... 290
Interchanging/changing ................ 310
Mounting a new wheel ................... 313
Removing a wheel.......................... 313
Storing ........................................... 311
Tightening torque ........................... 314
Wheel size/tire size ....................... 315
Index21

Restraint system warning lamp
The functions of the restraint system arechecked after the ignition is switched on and atregular intervals while the engine is running.Therefore, malfunctions can be detected ingood time.
Theurestraint system warning lamp on theinstrument cluster lights up when the ignition isswitched on. It goes out no later than a few sec-onds after the vehicle is started. The compo-nents of the restraint system are in operationalreadiness.
A malfunction has occurred if theurestraintsystem warning lamp:
Rdoes not light up after the ignition is switchedon
Rdoes not go out after a few seconds with theengine running
Rlights up again while the engine is running
GWARNING
If the restraint system is malfunctioning,
restraint system components may be trig-
gered unintentionally or may not deploy as
intended during an accident. This can affect
for example the Emergency Tensioning
Device or the air bag. This poses an increased
risk of injury or even fatal injury.
Have the restraint system checked and
repaired in a qualified specialist workshop as
soon as possible.
PASSENGER AIR BAG indicator lamp
PASSENGER AIR BAG ON indicator lampCandPASSENGER AIR BAG OFF indicator lampDarepart of the Occupant Classification System(OCS).
The indicator lamps display the status of thefront-passenger front air bag.
RPASSENGER AIR BAG ON lights up for 60 sec-onds, subsequently both indicator lamps areoff (PASSENGER AIR BAG ON and OFF): thefront-passenger front air bag is able to deployin the event of an accident.
RPASSENGER AIR BAG OFF lights up: the front-passenger front air bag is deactivated. It willthen not be deployed in the event of an acci-dent.
If the PASSENGER AIR BAG ON indicator lamp isoff, only the PASSENGER AIR BAG OFF indicatorlamp shows the status of the front-passengerfront air bag. The PASSENGER AIR BAG OFFindicator lamp may be lit continuously or be off.
Depending on the person in the front-passengerseat, the front-passenger front air bag musteither be deactivated or enabled; see the fol-lowing points. You must make sure of this bothbefore and during a journey.
RChildren in a child restraint system:whether the front-passenger front air bag isenabled or deactivated depends on the instal-led child restraint system, and the age andsize of the child. Therefore, be sure to observethe notes on the "Occupant ClassificationSystem (OCS)" (Ypage 47) and on "Chil-dren in the vehicle" (Ypage 54). There youwill also find instructions on rearward andforward-facing child restraint systems on thefront-passenger seat.
RAll other persons:depending on the classi-fication of the person in the front-passengerseat, the front-passenger front air bag is ena-bled or deactivated (Ypage 47). Be sure toobserve the notes on "Seatbelts“ (Ypage 41) and "Air bags"(Ypage 45). There you can also find infor-mation on the correct seat position.
Seat belts
Introduction
Seat belts are the most effective means ofrestricting the movement of vehicle occupantsin the event of an accident or the vehicle rollingover. This reduces the risk of vehicle occupantscoming into contact with parts of the vehicleinterior or being ejected from the vehicle. Fur-thermore, the seat belt helps to keep the vehicle
Occupant safety41
Safety
Z

Driving safety systems
Overview of driving safety systems
In this section, you will find information aboutthe following driving safety systems:
RABS (Anti-lockBrakingSystem)(Ypage 61)
RBAS (BrakeAssistSystem) (Ypage 61)
RActive Brake Assist (Ypage 62)
RESP®(ElectronicStabilityProgram)(Ypage 64)
REBD (ElectronicBrake forceDistribution)(Ypage 67)
RADAPTIVE BRAKE (Ypage 68)
RSTEER CONTROL (Ypage 68)
Important safety notes
If you fail to adapt your driving style or if you areinattentive, the driving safety systems can nei-ther reduce the risk of an accident nor overridethe laws of physics. Driving safety systems aremerely aids designed to assist driving.
You are responsible for maintaining the distanceto the vehicle in front, for vehicle speed, forbraking in good time, and for staying in lane.Always adapt your driving style to suit the pre-vailing road and weather conditions and main-tain a safe distance from the vehicle in front.Drive carefully.
The driving safety systems described only workas effectively as possible when there is ade-quate contact between the tires and the roadsurface. Please pay special attention to thenotes on tires, recommended minimum tiretread depths, etc. (Ypage 291).
In wintry driving conditions, always use wintertires (M+S tires)and if necessary, snow chains.Only in this way will the driving safety systemsdescribed in this section work as effectively aspossible.
ABS (Anti-lock Braking System)
General information
ABS regulates brake pressure in such a way thatthe wheels do not lock when you brake. Thisallows you to continue steering the vehicle whenbraking.
The%ABS warning lamp in the instrumentcluster lights up when the ignition is switchedon. It goes out when the engine is running.
ABS works from a speed of about 5 mph(8 km/h), regardless of road-surface conditions.ABS works on slippery surfaces, even when youonly brake gently.
Important safety notes
iObserve the "Important safety notes" sec-tion (Ypage 61).
GWARNING
If ABS is malfunctioning, the wheels could
lock when braking. The steerability and brak-
ing characteristics would be severely affec-
ted. There is an increased danger of skidding
and accidents.
Drive on carefully. Have ABS checked imme-
diately at a qualified specialist workshop.
When ABS is malfunctioning, other systems,including driving safety systems, will alsobecome inoperative. Observe the informationon the ABS warning lamp (Ypage 222)and dis-play messages which may be shown in theinstrument cluster (Ypage 194).
Braking
XIf ABS intervenes:continue to depress thebrake pedal vigorously until the braking sit-uation is over.
XTo make a full brake application:depressthe brake pedal with full force.
If ABS intervenes when braking, you will feel apulsing in the brake pedal.
The pulsating brake pedal can be an indicationof hazardous road conditions, and functions as areminder to take extra care while driving.
BAS (Brake Assist System)
General information
BAS operates in emergency braking situations.If you depress the brake pedal quickly, BASautomatically boosts the braking force, thusshortening the stopping distance.
Driving safety systems61
Safety
Z