2018 MERCEDES-BENZ A-CLASS HATCHBACK air filter

Overview of climate control sy
stems Note
s on climate control An interior air
filter must alw ays be used so that
th e air conditioning sy stem, pollution le vel moni‐
to ring and the air filtering function workcor‐
re ctly. Ma kesure that thefilter is ins talled cor‐
re ctly and thefilter housing in the engine com‐
partment is closed cor rectly using the cap and
alw ays tightly sealed when in operation. Use fil‐
te rs recommended and appr ovedby Mercedes-
Benz. Alw ays ha veservice workcar ried out at a
qu alified 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 (→ page143)
5 ¬ Defrosts the windscreen
6 ¤ Switches there ar wind owheater on or
off
7 g Switches air-recirculation mode on or
off (→ page144)
8 ¿ Switches the A/C function on or off
(→ page 142) 9
Vehicles with a stationary heater on ly:&
swit ches thest ationary heater on or off
(→ page 145)
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. Climate
control 141

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 348). Multimedia sy
stem:
, © .
Navigation .
ª Where
to? .
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 326). #
Tosave afa vo urite: select Add favourites. #
Enter thefa vo urite as a POI or address
(→ page 326).
or #
If all the positions in thefa vo urites are full,
fi rs t select a favo urite which is tobe ove r‐
written (→ page 296). #
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. Ro
ute Calculating a
route
Re quirements:
R The destination has been entered.
R The destination address is shown. MBUX multimedia sy
stem 333

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 (→ page419). Engine com
partment 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 Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: 420
Maintenance and care

Display messages
Possible causes/consequences and M
MSolutions #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
¸
Replace air cleaner *
Ve hicles with diesel engines: the engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
# Stop vehicle See Owner's
Manual *T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Switch off the engine. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 521