2019 MERCEDES-BENZ CLA COUPE air filter

Overview of climate control sy
stems Note
s on climate control An interior air
filter in combination with the pre‐
fi lter in the engine compartment must alw ays be
used so that the air conditioning sy stem, pollu‐
tion lebutton vel monitoring and the air filtration
wo rkcor rectly. Ma kesure that thefilter is ins tal‐
led cor rectly and thefilter housing in the engine
compartment is closed cor rectly using the cap
and alw ays tightly sealed when in operation. Use
fi lters recommended and appr ovedby
Mercedes-Benz. Alw ays ha veservice workcar‐
ri ed out at a qualified specialist workshop. THERMATIC control panel
overview The indicator lamps in
the buttons Ã,¬,
¤, g,¿and& indicate that the
cor responding function is activated. 1
w Setsthete mp erature
2 Vehicles with a stationary heater on ly:t
calls upthe air conditioning menu
3 H Setsthe air flow or switches off climate
control
4 Ã Sets climate control toautomatic
mode(/ page148)
5 ¬ Defrosts the windscreen
6 ¤ Switches there ar wind owheater
on/off
7 g Switches air-recirculation mode on/off
(/ page 149)
8 ¿ Switches the A/C function on/off
(/ page 147) 9
Vehicles with a stationary heater on ly:&
swit ches thest ationary heater on/off
(/ page 150)
A _ Setsthe air distribution THERMOTRONIC control panel
overview The indicator lamps in
the buttons Ã,¬,
¤, g,Á,0and& indicate that
th e cor responding function is activated. 14 6
Climate cont rol

Showing POIs in
the vicinity of the map
If se veral destinations are located around the
crosshair, the function is available. #
Select Ä. #
Select POIs in the vicinity.
The map appears. #
Swipe left or right on the control element.
The pr evious or next POI is highligh ted on the
map. The name or the address is shown. #
Select the POI symbol.
or #
Tofilter the display according tothe POI
categor y:scroll on the control element. #
Select the POI categor y.
Selecting a destination from favo urites
Re quirements:
R Destinations are sa ved as favo urites.
Sa ve a pr evious destination or a destination
suggestion as a favo urite (/ page 366). Multimedia sy
stem:
4 © 5
Navigation 5
ª Where to?
5 FAVOURITES #
Select a favo urite.
The destination address is shown. The route
can be calculated.
The following options are available in thefa vo ur‐
ites menu:
R Saving addresses for home and work
R Creating favo urites
R Deleting favo urites #
If no address has been sa vedfo r home
and work:select HomeorWork. #
Confirm the prom ptwith Yes. #
Enterth efa vo urite as a POI or address
(/ page 343). #
Tosave afa vo urite: select Add favourites. #
Enter thefa vo urite as a POI or address
(/ page 343).
or #
If all the positions in thefa vo urites are full,
fi rs t select a favo urite which is tobe ove r‐
written (/ page311). #
Follow the instructions pr ovided. #
Todel ete a favo urite: select Vfor a des‐
tination. #
Select Delete.
or #
Press on a favo urite until theOPTIONS menu
is shown. #
Select Delete.
Selecting received destinations
Re quirements:
R There is an Internet connection.
R A destination has been sent totheve hicle.
Multimedia sy stem:
4 © 5
Navigation 5
ª Where to?
5 RECEIVED DESTINAT.
The vehicle can recei vedestinations from serv‐
ices or apps. 350
MBUX multimedia sy stem

fi
ed based on the actual operating conditions
and/or loads.
Examples of arduous operating conditions:
R regular city driving with frequent intermedi‐
ate stops
R mainly short-dis tance driving
R frequent operation in mountainous terrain or
on poor road sur faces
R when the engine is of ten le ftidling for long
periods
R operation in particula rly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil
and oil filter etc. changed more frequent ly. The
ty re s must be checked more frequently if the
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at a qualified
specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display
can only calculate the service due da tewhen
th e bat tery is connected. #
Notedown the service due date displa yed on
th e instrument display before disconnecting
th e battery (/ page445). Engine comp
artment Ac
tive bonn et(pedestrian pr otection) Operation of
the active bonnet (pedestrian
pr otection)
In cer tain accident situations, therisk of injury
to pedestrians can be reduced bythe actuation
of the active bonn et. The rear area of the engine
bonn etisraised byappr oximately 70 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active bonn etyourself. Af terth e active
bonn ethas been triggered, pedestrian pr otection
may be limited.
A qu alified specialist workshop must re-ins tate
th e full functionality of the active bonn et. The active bonnet is not
available in all coun‐
tries.
Re setting the active bonnet &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. 446
Maintenance and care

Display messages
Possible causes/consequences and M
MSolutions
¸ Replace air cleaner *
Ve hicles with diesel engines: the engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
Drive system Malfunction
Visit workshop *T
he drive sy stem is malfunctioning. #
Consult a qualified specialist workshop.
Drive system Malfunction
Stop Switch engine off *T
he drive sy stem is malfunctioning. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Consult a qualified specialist workshop. Engine oil
Display messages
Possible causes/consequences and M MSolutions
4 Add 1 litre engine oil when
next refuelling *D
isplay message only for cer tain engines:
The engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. 554
Display messages and warning/indicator lamps

ÀAT
TENTION ASSIS T:Take a
break! .................................................. 541
b Automatic driving lights inoper‐
ative .................................................... 579
Au xilia rybattery malfunction ...............561
_ Before starting the engine, turn
th esteering wheel. .............................. 563
Beginning emer gency stop .................. 542
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ......................543
Blind Spot Assi stinope rative ............... 544
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...5 44
Brake immediately ............................... 535
ÁChange key bat teries ...................5 70
JChe ckbrake fluid le vel................ 535
Check brake pads See Owner's Man‐
ual ...................................................... .536
ïChe cktrailer hitch lo ck(white
display message) .................................5 72Check tyre pressures
then restart
Ru n Flat Indicator ................................ 565
hCheck tyre(s) ............................... 567
!Clean the fuel filter .................... .553
Clutch overheated Avoid pulling away
fo r XX:XX mins .................................... 564
?Coolant Stop vehicle Switch
engine off ............................................ 550
Cruise contro l and Limiter inope ra‐
tive ...................................................... 549
Cruise cont rol inope rative ................... 549
Cruise cont rol off ................................ 549
_ Currently una vailable Camera
view restricted ..................................... 547
ç Currently una vailable Radar
sensors dirty .......................................5 46
!cur rently una vailable See Own‐
er's Manual ........................................ .528
÷cur rently una vailable See Own‐
er's Manual ........................................ .529 Depress clutch ful
lyto start engine .....5 64
Drive sy stem Malfunction Stop
Switch engine off ................................ 554
Drive sy stem Malfunction Visit work‐
shop ....................................................5 54
5 Engine oil le vel cannot be
measured ............................................ 557
4Engine oil le velRe duce oil le vel...5 56
4Engine oil le velSt op vehicle
Switch engine off ................................ 555
4Engine oil pressure Stop Switch
off engine ............................................ 556
Fa ult Drive at max. 80 km/h ...............542
6Fr ont left malfunction Consult
wo rkshop (Example) ............................5 37
Fr ont-passenger airbag disabled See
Owner's Manual ..................................5 38
Fr ont-passenger airbag enabled See
Owner's Manual ..................................5 39 Index
607