2019 MERCEDES-BENZ CLA reset

Alarm system
see ATA (Anti-Theft Alarm system)
AMG
Adaptive sport suspension sys-
tem ................................................ 161
Performance Seat ............................ 95
AMG adaptive sport suspension
system
General Information .......................161
AMG menu (on-board computer)..... 190
AMG Performance exhaust sys-
tem..................................................... 128
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)
Ashtray............................................... 246
Assistance display (on-board com-
puter)..................................................187
Assistance menu (on-board com-
puter)..................................................186
ASSYST PLUS
Displaying a service message ........264
Driving abroad ............................... 265
Hiding a service message .............. 264
Information about Service ............. 265
Resetting the service interval dis-
play ................................................ 265
Service message ............................ 264
Special service requirements ......... 265
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 68
Function ...........................................68
Switching off the alarm .................... 68
ATTENTION ASSIST
Activating/deactivating ................. 187
Display message ............................ 209
Function/notes............................. 173
Audio menu (on-board computer).... 184
Audio system
see Digital Operator's Manual
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 206
see Lights
Automatic car wash (care)............... 265
Automatic engine start (ECO start/
stop function).................................... 127
Automatic engine switch-off (ECO
start/stop function).......................... 127
Automatic headlamp mode.............. 101
Automatic transmission
Accelerator pedal position ............. 134
Changing gear ............................... 134
DIRECT SELECT lever ..................... 131
Drive program ................................ 135
Drive program display .................... 131
Driving tips .................................... 134
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles) ............................................... 129
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) .............. 130
Emergency running mode.............. 139
Engaging drive position .................. 133
Engaging neutral ............................ 132
Engaging park position
(Mercedes-AMG vehicles) .............. 133
Engaging park position automati-
cally ............................................... 132
Engaging reverse gear ................... 132
Engaging the park position ............ 132
Holding the vehicle stationary on
uphill gradients .............................. 135
Kickdown ....................................... 135
Manual shifting .............................. 137
Oil temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 190
Overview ........................................ 131
Problem (malfunction) ................... 139
Pulling away ................................... 126
Selector lever ................................ 133
Starting the engine ........................ 125
Steering wheel paddle shifters ...... 137
Transmission position display ........ 133
Transmission position display
(DIRECT SELECT lever) ................... 131
Transmission positions .................. 134
Index5

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

Optional equipment weight (defi-
nition) ............................................ 310
PSI (pounds per square inch) (def-
inition) ...........................................310
Replacing ....................................... 310
Service life ..................................... 291
Sidewall (definition) ....................... 310
Speed rating (definition) ................ 309
Storing ...........................................311
Structure and characteristics
(definition) ..................................... 308
Summer tires ................................. 292
Temperature .................................. 305
TIN (Tire Identification Number)
(definition) ..................................... 310
Tire bead (definition) ......................310
Tire pressure (definition) ................ 310
Tire pressures (recommended) ...... 309
Tire size (data) ............................... 315
Tire size designation, load-bearing
capacity, speed rating .................... 305
Tire tread ....................................... 291
Tire tread (definition) ..................... 310
Total load limit (definition) ............. 310
Traction ......................................... 304
Traction (definition) ....................... 310
Tread wear..................................... 304
Uniform Tire Quality Grading
Standards ...................................... 304
Uniform Tire Quality Grading
Standards (definition) .................... 309
Wear indicator (definition) ............. 310
Wheel rim (definition) .................... 309
see Flat tire
Top Tether............................................ 57
Tow-starting
Emergency engine starting ............ 287
Important safety notes .................. 284
Installing the towing eye ................ 285
Removing the towing eye ............... 286
Towing
Permitted towing methods ............ 287
Towing a trailer
ESP®(Electronic Stability Pro-
gram) ............................................... 67
Towing away
Important safety guidelines ........... 284
Installing the towing eye ................ 285
Notes for 4MATIC vehicles ............ 287
Removing the towing eye ............... 286
Transporting the vehicle ................ 287
With both axles on the ground ....... 286
With the front axle raised ............... 286
Towing eye......................................... 274
Traffic reports
see also Digital Operator's Man-
ual .................................................. 231
Transmission
see Automatic transmission
Transmission position display
(DIRECT SELECT lever)...................... 131
Transporting the vehicle.................. 287
Trim pieces (cleaning instruc-
tions).................................................. 271
Trip computer (on-board com-
puter).................................................. 182
Trip odometer
Calling up ....................................... 182
Resetting (on-board computer) ...... 183
Trunk
Emergency release .......................... 82
Emergency release button ............... 82
Important safety notes .................... 78
Opening (automatically from out-
side) ................................................. 79
Opening (from outside the vehi-
cle, HANDS-FREE ACCESS) .............. 80
Opening automatically from
inside ............................................... 81
Opening/closing (manually from
outside) ............................................ 79
Trunk lid
Display message ............................ 217
see Tailgate
Turn signals
Display message ............................ 204
Replacing bulbs (front) ................... 107
Switching on/off........................... 102
Two-way radio
Frequencies ................................... 317
Installation ..................................... 317
Transmission output (maximum) .... 317
Type identification plate
see Vehicle identification plate
20Index

Diagnostic connector
The diagnostics connection is only intended forthe connection of diagnostic equipment at aqualified specialist workshop.
GWARNING
If you connect equipment to a diagnostics
connection in the vehicle, it may affect the
operation of vehicle systems. As a result, the
operating safety of the vehicle could be affec-
ted. There is a risk of an accident.
Only connect equipment to a diagnostics con-
nection in the vehicle, which is approved for
your vehicle by Mercedes-Benz.
GWARNING
Objects in the driver's footwell can restrict the
pedal travel or obstruct a depressed pedal.
The operating and road safety of the vehicle is
jeopardized. There is a risk of an accident.
Make sure that all objects in the vehicle are
stowed correctly, and that they cannot enter
the driver's footwell. Install the floormats
securely and as specified in order to ensure
sufficient clearance for the pedals. Do not use
loose floormats and do not place floormats on
top of one another.
!If the engine is switched off and equipmenton the diagnostics connection is used, thestarter battery may discharge.
Connecting equipment to the diagnostics con-nection can lead to emissions monitoring infor-mation being reset, for example. This may leadto the vehicle failing to meet the requirements ofthe next emissions test during the main inspec-tion.
Qualified specialist workshop
An authorized Mercedes-Benz Center is a quali-fied specialist workshop. It has the necessaryspecialist knowledge, tools and qualifications tocorrectly carry out the work required on yourvehicle. This is especially the case for work rel-evant to safety.
Observe the notes in the Maintenance Booklet.
Always have the following work carried out at anauthorized Mercedes-Benz Center:
Rwork relevant to safety
Rservice and maintenance work
Rrepair work
Ralterations, installation work and modifica-tions
Rwork on electronic components
Correct use
If you remove any warning stickers, you or oth-ers could fail to recognize certain dangers.Leave warning stickers in position.
Observe the following information when drivingyour vehicle:
Rthe safety notes in this manual
Rtechnical data for the vehicle
Rtraffic rules and regulations
Rlaws and safety standards pertaining to motorvehicles
Problems with your vehicle
If you should experience a problem with yourvehicle, particularly one that you believe mayaffect its safe operation, we urge you to contactan authorized Mercedes-Benz Center immedi-ately to have the problem diagnosed and recti-fied. If the problem is not resolved to your sat-isfaction, please discuss the problem again withan authorized Mercedes-Benz Center or, if nec-essary, contact us at one of the followingaddresses.
In the USA
Customer Assistance Center
Mercedes-Benz USA, LLC
3 Mercedes Drive
Montvale, NJ 07645-0350
In Canada
Customer Relations Department
Mercedes-Benz Canada, Inc.
98 Vanderhoof Avenue
Toronto, Ontario M4G 4C9
Reporting safety defects
USA only:
28Operating safety
Int roduction

XTouch recessed sensor surfaceCon thedoor handle until the side windows and thepanorama roof with power tilt/sliding panelare fully closed.
iMake sure you only touch recessed sensorsurfaceC.
XMake sure that all the side windows areclosed.
XMake sure that all the side windows and thepanorama roof with power tilt/sliding panelare closed.
On vehicles with a panorama roof with powertilt/sliding panel:
XTouch recessed sensor surfaceCon thedoor handle again until the roller sunblind ofthe panorama roof with power tilt/slidingpanel closes.
XTo interrupt convenience closing:releaserecessed sensor surfaceCon the door han-dle.
Resetting the side windows
If a side window can no longer be closed fully,you must reset it.
XClose all the doors.
XTurn the SmartKey to positionGorHin theignition lock (Ypage 123).
XPull the corresponding switch on the doorcontrol panel until the side window is com-pletely closed (Ypage 83).
XHold the switch for an additional second.
If the side window opens again slightly:
XImmediately pull the corresponding switch onthe door control panel until the side window iscompletely closed (Ypage 83).
XHold the switch for an additional second.
XIf the respective side window remains closedafter the button is released, then it has beenset correctly. If this is not the case, repeat thesteps above.
Problems with the side windows
GWARNING
If you close a side window again immediately after it has been blocked or reset, the side window
closes with increased or maximum force. The reversing feature is then not active. Parts of the
body could be trapped in the closing area in the process. This poses an increased risk of injury or
even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process, release
the switch or push the switch again to reopen the side window.
Side windows85
Opening and closing
Z

Do not allow anything to protrude from thesliding sunroof. Otherwise, the seals could bedamaged.
!The weather can change abruptly. It couldstart to rain or snow. Make sure that the slid-ing sunroof is closed when you leave the vehi-cle. The vehicle electronics can be damaged ifwater enters the vehicle interior.
iResonance noises can occur in addition tothe usual airflow noises when the sliding sun-roof is open. They are caused by minor pres-sure fluctuations in the vehicle interior.Change the position of the sliding sunroof oropen a side window slightly to reduce or elim-inate these noises.
Sliding sunroof reversing feature
In the following section, the term "sliding sun-roof" refers to the panorama roof with powertilt/sliding panel.
The sliding sunroof is equipped with an auto-matic reversing feature. If a solid object blocksor restricts the sliding sunroof during the closingprocess, the sliding sunroof opens again auto-matically. However, the automatic reversingfeature is only an aid and does not relieve you ofthe responsibility of paying attention when clos-ing the sliding sunroof.
GWARNING
The reversing feature does not react:
Rto soft, light and thin objects, e.g. small fin-
gers
Rover the last 1/6 in (4 mm) of the closing
movement
Rduring resetting
Rwhen closing the sliding sunroof again man-
ually immediately after automatic reversing
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rpress the switch in any direction during the
automatic closing process
The closing process is stopped.
GWARNING
If you close the sliding sunroof again immedi-
ately after it has been blocked or reset, the
sliding sunroof closes with increased force.
Parts of the body could be trapped in the clos-
ing area in the process. There is a risk of injury
or becoming trapped.
Make sure that no parts of the body are in the
closing area.
If somebody becomes trapped:
Rrelease the button immediately, or
Rbriefly push the button in any direction dur-
ing automatic closing.
The closing process is stopped.
Operating the panorama roof with
power tilt/sliding panel
Opening and closing
CTo raise
DTo open

Memory function
Important safety notes
GWARNING
If you use the memory function on the driver's
side while driving, you could lose control of
the vehicle as a result of the adjustments
being made. There is a risk of an accident.
Only use the memory function on the driver's
side when the vehicle is stationary.
GWARNING
When the memory function adjusts the seat,
you and other vehicle occupants – particularly
children – could become trapped. There is a
risk of injury.
While the memory function is making adjust-
ments, make sure that no one has any body
parts in the sweep of the seat. If somebody
becomes trapped, immediately release the
memory function position button. The adjust-
ment process is stopped.
GWARNING
Children could become trapped if they acti-
vate the memory function, particularly when
unattended. There is a risk of injury.
Never leave children unsupervised in the vehi-
cle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. This
also applies for the Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect.
The memory function can be used at any time,e.g. even when the SmartKey is not in the igni-tion lock.
Storing settings
With the memory function, you can store up tothree different settings, e.g. for three differentpeople.
The following settings are stored as a singlememory preset:
RSeat and backrest position
RDriver's side: position of the exterior mirrorson the driver's and front-passenger sides
XAdjust the seat (Ypage 93).
XAdjust the exterior mirror on the driver's side(Ypage 97).
XBriefly press theMmemory button and thenpress preset position button1,2or3withinthree seconds.The settings are stored in the selected presetposition. A tone sounds when the settingshave been completed.
Calling up a stored setting
XPress and hold the relevant preset positionbutton1,2or3until the seat and exteriormirrors are in the stored position.
iThe setting procedure is interrupted as soonas you release the storage position button.
100Memory function
Seats, steering wheel and mirrors

Left control panel
Y
e
RCalls up the menu and menu bar
c
d
Press briefly:
RScrolls in lists
RSelects a submenu or function
RIn theAudioAudiomenu: selects the previous or next station, when the preset listor station list is active, or an audio track or video scene
RIn theTelTel(telephone) menu: switches to the phone book and selects a nameor telephone number
c
d
Press and hold:
RIn theAudioAudiomenu: selects a preset list or a station list in the desired fre-quency range, or an audio track or video scene using rapid scrolling
RIn theTelTel(Telephone) menu: starts rapid scrolling if the phone book is open
vRConfirms the selection or display message
RIn theTelTel(Telephone) menu: switches to the telephone book and startsdialing the selected number
8Press briefly:
RBack
RVehicles with Audio 20: switches off voice-operated control for navigation(see the manufacturer's operating instructions)
RVehicles with COMAND: switches off the Voice Control System (see the sep-arate operating instructions)
RHides display messages or calls up the lastTripTripmenu function used
RExits the phone book/redial memory
8Press and hold:
RCalls up the standard display in theTripTripmenu
Right control panel