2014 MERCEDES-BENZ CLA lumbar support

Switching the daytime running
lamps on/off(switch)....................105
Switching the exteriorlighting
delayed switch-off on/off (on-
board computer)............................207
Switching the surround lighting
on/off (on-board computer)..........207
Turn signals...................................106
see Interior lighting
see Replacing bulbs
Light sensor (display message).......226
Loading guidelines............................254
Locking
see Centrallocking
Locking (doors)
Automatic........................................79
Emergency locking ........................... 79
From inside (central locking
button).............................................78
Locking centrally
see Centrallocking
Locking verification signal (on-
board computer)...............................208
Low-beam headlamps
Changing bulbs..............................112
Display message............................223
Setting for driving abroad
(symmetrical).................................104
Switching on/off...........................105
Lumbar support
Adjusting the 4-way lumbar
support............................................94
M
M+S tires............................................ 314
Malfunction message
see Display messages
Matte finish (cleaning instructions)287
mbrace
Call priority....................................268
Display message............................219
Downloading destinations
(COMAND).....................................268
Downloading routes.......................272
Emergency call..............................265
General notes................................264
Geo fencing...................................272
Locatingastolen vehicle...............270
MB info call button........................267
Remote vehicle locking..................270
Roadside Assistance button..........266
Search&Send...............................269
Self-test.........................................265
Speed alert....................................272
System..........................................264
Triggering the vehicle alarm ........... 272
Vehicle remote malfunction
diagnosis.......................................271
Vehicle remote unlocking..............270
Mechanical key
Function/notes ................................ 73
Locking vehicle................................79
Unlocking the driver's door..............79
Memory card (audio).........................200
Memory function...............................100
Message memory (on-board
computer)..........................................212
Messages
see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in the sun visor)
Mobile phone
Menu (on-board computer)............201
Modifying the programming
(SmartKey)...........................................73
MOExtendedtires.............................. 295
Mounting wheels
Loweringthe vehicle......................340
Mountinganew wheel...................339
Preparing the vehicle.....................336
Raising the vehicle.........................337
Removingawheel..........................339
Securing the vehicle against
rolling away...................................337
MP3
Operation ....................................... 200
see separate operating instructions
Multifunction display
Function/notes.............................196
Permanent display.........................206
Multifunction steering wheel
Operating the on-board computer.195
Overview..........................................31
12Index

Rollersunblind
Opening/closing..............................87
Panorama roof with power tilt/
sliding panel ..................................... 87
Roof carrier........................................259
Roof lining and carpets (cleaning
guidelines).........................................291
Roof load (maximum)........................351
Route (navigation)
see Route guidance (navigation)
Route guidance (navigation)............199
S
Safety
Childreninthe vehicle.....................54
Child restraint systems....................54
Occupant Classification System
(OCS)...............................................45
Safety system
see Driving safety systems
Seat
Adjusting (Performance Seat)..........96
Seat belts
Adjusting the height ......................... 52
Belt force limiters............................53
Cleaning ......................................... 291
Correct usage..................................50
Emergency Tensioning Devices ........53
Fastening.........................................51
Important safety guidelines.............50
Releasing.........................................52
Safety guidelines.............................40
Warning lamp ................................. 240
Warning lamp (function) ................... 52
Seats
Adjusting (electrically).....................93
Adjusting (manually)........................92
Adjusting the 4-way lumbar
support............................................94
Adjusting the head restraint............93
Cleaning the cover.........................291
Correct driver's seat position ........... 90
Folding the backrest (rear
compartment) forwards/back.......258
Important safety notes....................91
Seat heating problem......................96
Storing settings (memory function) 100
Switching seatheating on/off.........95
Sensors (cleaning instructions).......289
Service menu (on-board computer).205
Service products
Brake fluid.....................................348
Coolant (engine)............................349
Engine oil.......................................348
Fuel ................................................ 346
Important safety notes..................345
Refrigerant (air-conditioning
system)..........................................350
Washer fluid ...................................350
Service work
see ASSYST PLUS
Settings
Factory (on-board computer).........209
On-board computer.......................205
Setting the air distribution...............128
Setting the airflow............................128
SETUP (on-board computer).............210
Side impact air bag.............................44
Side marker lamp (display
message)............................................ 225
Side windows
Cleaning ......................................... 288
Convenience closing feature............84
Convenience opening feature..........84
Important safety information...........82
Opening/closing..............................83
Problem (malfunction).....................85
Resetting.........................................84
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery.......................74
Changing the programming.............73
Checking the battery.......................74
Convenience closing feature............84
Convenience opening feature..........84
Display message............................240
Door central locking/unlocking.......72
Important safety notes....................72
Loss.................................................76
Mechanical key................................73
Positions (ignition lock).................137
Index15

With this function you can adjust the distance
between the head restraint and the back of
the seat occupant's head.
XTo adjust forwards:pull the head restraint
forwards in the direction of the arrow until
it engages.
There are several notches.
XTo move backwards:press and hold
release buttonand push the head
restraint backwards.
XWhen the head restraint is in the desired
position, release the button and make sure
that the head restraint is engaged in
position.
Adjusting the height of the head
restraints electrically
XTo adjust the head restraint height:slide
the switch for head restraint adjustment
(Ypage 93) up or down in the direction of
the arrow.
Rear seat head restraints
Adjusting the rear seat head restraint
height
XTo raise:pull the head restraint up to the
desired position.
XTo lower:press release catchand push
the head restraint down until it is in the
desired position.
Removing and installing the rear seat
head restraints
GWARNING
If head restraints are not installed and
adjusted correctly, they cannot provide
protection as intended. There is an increased
risk of injury in the head and neck area, e.g.
in the event of an accident or when braking.
Always drive with the head restraints
installed. Before driving off, make sure for
every vehicle occupant that the center of the
head restraint supports the back of the head
at about eye level.
The rear head restraints on the outer seats
can be removed and re-installed.
XFold the seat backrestslightly forwards in
order to remove the head restraint
(Ypage 258).
XTo remove:pull the head restraint up to
the stop.
XPress release catchand pull the head
restraint out of the guides.
XTo re-install:insert the head restraint so
that the notches on the bar are on the left
when viewed in the direction of travel.
XPush the head restraint down until you hear
it engage in position.
Adjusting the 4-way lumbar support
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back.
94Seats
Seats, steering wheel and mirrors