ignition MERCEDES-BENZ CLA-Class 2017 C117 Owner's Guide
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2017, Model line: CLA-Class, Model: MERCEDES-BENZ CLA-Class 2017 C117Pages: 318, PDF Size: 8.02 MB
Page 111 of 318
Overview of climate control systems
General notes
Observe the settings recommended on the fol-
lowing pages. The windows could otherwise fog
up.
To prevent the windows from fogging up:
Rswitch off climate control only briefly
Rswitch on air-recirculation mode only briefly
Rswitch on the cooling with air dehumidifica-
tion function
Rswitch on the defrost windshield function
briefly, if required
The air-conditioning system or dual-zone auto-
matic climate control regulates the temperature and the humidity of the vehicle interior and fil-
ters undesirable substances from the air.
The air-conditioning system or dual-zone auto-
matic climate control can only be operated
when the engine is running. Optimum operation
is only achieved with the side windows and pan- orama roof with power tilt/sliding panel closed.
If you start the engine using your smartphone,
the last selected climate control setting is reac-
tivated (
Ypage 122).
The residual heat function can only be activated
or deactivated with the ignition switched off
(
Ypage 118). Always keep the ventilation flaps behind the
side trim panel in the cargo compartment clear
(
Ypage 105). Otherwise the vehicle will not be
ventilated correctly.
iVentilate the vehicle for a brief period during
warm weather, e.g. using the convenience
opening feature (
Ypage 82). This will speed
up the cooling process and the desired inte-
rior temperature will be reached more
quickly.
iThe integrated filter filters out most parti-
cles of dust and soot and completely filters
out pollen. It also reduces gaseous pollutants
and odors. A clogged filter reduces the
amount of air supplied to the vehicle interior.
For this reason, you should always observe
the interval for replacing the filter, which is
specified in the Maintenance Booklet. As it
depends on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Maintenance Book-
let.
iIt is possible that under certain circumstan-
ces the residual heat function may be activa-
ted automatically an hour after the SmartKey
has been removed in order to dry the aut
o-
matic climate control. The vehicle is then ven-
tilated for 30 minutes.
Overview of climate control systems109
Climate control
Page 115 of 318
Canada only
:
Sets the temperature, left (Ypage 115)
;Sets climate control to automatic (Ypage 115)
=Defrosts the windshield (Ypage 116)
?Increases the airflow (Ypage 116)
ASets the air distribution (Ypage 115)
BDisplay
CSwitches air-recirculation mode on/off (Ypage 118)
DActivates/deactivates climate control (Ypage 114)
ESets the temperature, right (Ypage 115)
FSwitches the residual heat on or off (Ypage 118)
GSwitches cooling with air dehumidification on/off (Ypage 114)
HReduces the airflow (Ypage 116)
ISwitches the rear window defroster on/off (Ypage 117)
JSwitches the ZONE function on/off (Ypage 116)
Optimum use of 3-zone automatic cli-
mate control
Climate control system
The following contains instructions and recom-
mendations to enable you to get the most out of
your dual-zone automatic climate control.
RActivate climate control using the Ãand
¿ buttons. The indicator lamps in the
à and¿ buttons light up.
RSet the temperature to 72 ‡ (22 †).
ROnlyuse th e"Windshield defrosting "function
briefl yuntil th ewindshield is clear again .
ROnly use air-recirculation mod ebriefly, e.g. if
there are unpleasant outside odors or when in
a tunnel. The windows could otherwise fog up, since no fresh air is draw
ninto th evehicl ein
air-recirculation mode.
RUse th eZON Efunction to adop tth etemper-
ature setting son th edriver's side for th e
front-passenger side as well. The indicato r
lamp in th eá buttongoe sout .
RUse th eresidual heat function if you wan tto
heat or ventilat eth evehicl einterio rwhen th e
ignition is switched off .The residual heat
function can only be activated or deactivated
wit hth eignition switched off .
RIf you changeth esetting sof th eclimat econ-
trol system, th eclimat estatu sdisplay
appears for approximately three seconds at
th ebotto mof th escree nin th emultimedia
system display; see separat eoperating
Overview of climate control systems11 3
Climate control
Page 116 of 318
instructions. You will see the current settings
of the various climate control functions.
DYNAMIC SELECT button (except
Mercedes-AMG vehicles)
You can choose between various drive programs
with the DYNAMIC SELECT button
(
Ypage 127).
If you have selected drive program E:
Rwhen heating, the electrical heater booster is
deactivated and in the warming-up phase
heat output is reduced
Rthe rear window defroster running time is
reduced
Depending on the configuration, climate set-
tings may also be influenced in the drive pro-
gram I.
If you have selected drive program Cor S, cli-
mate settings are not influenced.
ECO start/stop function
During automatic engine switch-off, the climate
control system only operates at a reduced capa-
city. If you require the full climate control output,
you can switch off the ECO start/stop function
by pressing the ECO button (
Ypage 126).
Operating the climate control sys-
tems
Activating/deactivating climate con-
trol
General notes
When the climate control is switched off, the air
supply and air circulation are also switched off.
The windows could fog up. Therefore, switch off
climate control only briefly
Air-conditioning system
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo switch on: turn controlAclockwise to
the desired position (except position 0)
(
Ypage 110).
XTo switch off: turn controlAcounter-clock-
wise to position 0(Ypage 110).
Dual-zone automatic climate control
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo activate: press theÃbutton.
The indicator lamp in the Ãbutton lights
up. Airflow and air distribution are set to auto-
matic mode.
or
XPress the ^button.
The indicator lamp in the ^button goes
out. The previously selected settings are
restored.
XTo deactivate: press the^button.
The indicator lamp in the ^button lights
up.
iDual-zone automatic climate control: switch
on climate control primarily using the Ã
button.
Switching cooling with air dehumidi-
fication on/off
General notes
If you deactivate the "Cooling with air-dehumid-
ification" function, the air inside the vehicle will
not be cooled. The air inside the vehicle will also
not be dehumidified. The windows can fog up
more quickly. Therefore, only deactivate the
"Cooling with air-dehumidification" function
briefly.
The "Cooling with air dehumidification" function is only available when the engine is running. The
air inside the vehicle is cooled and dehumidified
according to the temperature selected.
Condensation may drip from the underside of
the vehicle when it is in cooling mode. This is
normal and not a sign that there is a malfunc-
tion.
Activating/deactivating
XPress the ¿button.
The indicator lamp in the ¿button lights
up or goes out.
The indicator lamp in the button indicates that
the respective function is activated. The
"Cooling with air dehumidification" function
has a delayed switch-off feature.
114Operating the climate control systems
Climate control
Page 117 of 318
Problems with the "Cooling with air dehumidification" function
ProblemPossible causes/consequences andMSolutions
The indicator lamp in the
¿button flashes
three times or remains
off. The "Cooling with air
dehumidification" func-
tion cannot be switched
on.Cooling with air dehumidification has been deactivated due to a mal-
function.
XVisit a qualified specialist workshop.
Setting climate control to automatic
General notes
The automatic climate control function is only
available in conjunction with dual-zone auto-
matic climate control.
In automatic mode, the set temperature is main-
tained automatically at a constant level. The
system automatically regulates the temperature
of the dispensed air, the airflow and the air dis-
tribution.
The "Cooling with air dehumidification" function
is activated automatically in automatic mode.
Setting climate control to automatic
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XSet the desired temperature.
XTo activate: press theÃbutton.
The indicator lamp in the Ãbutton lights
up. Automatic air distribution and airflow are
activated.
XTo switch to manual mode: press theÉ
or Ë button.
or
XPress the KorI button.
The indicator lamp in the Ãbutton goes
out. Automatic air distribution and airflow are
deactivated.
Setting the temperature
Air-conditioning system
You can set the temperature for the entire vehi- cle. The set temperature is automatically main-
tained at a constant level.
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo increase or reduce: turn control:coun-
ter-clockwise or clockwise (Ypage 110). Only
change the temperature setting in small
increments. Start at 72 ‡ (22 †).
Dual-zone automatic climate control
Different temperatures can be set for the driv-
er's and front-passenger sides. The set temper-
ature is automatically maintained at a constant
level.
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo increase or decrease: turn control:or
E counter-clockwise or clockwise
(
Ypage 112). Only change the temperature
setting in small increments. Start at 72 ‡
(22 †).
Setting the air distribution
Air-conditioning system
Air distribution settings
¯ Directs air through the defroster vents
P Directs air through the center and side air
vents
O Directs air through the footwell air vents
Operating the climate control systems115
Climate control
Page 118 of 318
iYou can also activate several air distribution
settings simultaneously. To do this, press
multiple air distribution buttons. The air is
then directed through various vents.
iRegardless of the air distribution setting,
airflow is always directed through the side air
vents. The side air vents can only be closed if
the adjusters are turned clockwise until they
engage.
Setting the air distribution
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XPress one or more of the P,O,¯
buttons.
The corresponding indicator lamp lights up
briefly.
Dual-zone automatic climate control
Air distribution settings
¯ Directs air through the defroster vents
P Directs air through the center and side air
vents
O Directs air through the footwell air vents
S Directs air through the center, side and
footwell vents
b Directs air through the defroster, center
and side air vents
a Directs air through the defroster and
footwell vents
_ Directs air through the defroster, center,
side and footwell vents
iRegardless of the air distribution setting,
airflow is always directed through the side air
vents. The side air vents can only be closed if
the adjusters are turned clockwise until they
engage.
Setting the air distribution
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XPress the ÉorË button repeatedly
until the desired symbol appears in the dis-
play.
Setting the airflow
Air-conditioning system
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo increase or reduce: turn controlAcoun-
ter-clockwise or clockwise (Ypage 110).
Dual-zone automatic climate control
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo increase or reduce: press theKor
I button.
Switching the ZONE function on/off
This function is only available with dual-zone
automatic climate control.
XTo activate: press theábutton.
The indicator lamp in the ábutton lights
up.
The temperature setting for the driver's side
is not adopted for the front-passenger side.
XTo deactivate: press theábutton.
The indicator lamp in the ábutton goes
out.
The temperature setting for the driver's side
is adopted for the front-passenger side.
Defrosting the windshield
General notes
You can use this function to defrost the wind-
shield or to clear a fogged up windshield and
side windows.
iYou should only select the "Windshield
defrosting" function until the windshield is
clear again.
Switching the "Windshield defrosting"
function on or off
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo activate: press the¬button.
The indicator lamp in the ¬button lights
up.
116Operating the climate control systems
Climate control
Page 120 of 318
If the battery voltage is too low, the rear window
defroster may switch off.Activating/deactivating
XTurn the SmartKey to position2in the ignition
lock (Ypage 121).
XPress the ¤button.
The indicator lamp in the ¤button lights
up or goes out.
Problems with the rear window defroster
ProblemPossible causes/consequences and MSolutions
The rear window
defroster has deactiva-
ted prematurely or can-
not be activated.The battery has not been sufficiently charged.
XSwitch off any consumers that are not required, e.g. reading lamps,
interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window defroster
can be activated again.
Switching air-recirculation mode
on/off
General notes
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle from
outside. The air already inside the vehicle will
then be recirculated.
If you switch on air-recirculation mode, the win-
dows can fog up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows from fog-
ging up.
The operation of air-recirculation mode is the
same for all control panels.
Activating/deactivating
XTurn the SmartKey to position 2in the ignition
lock (Ypage 121).
XTo activate: press theebutton.
The indicator lamp in the ebutton lights
up.
Air-recirculation mode switches on automati-
cally:
Rat high outside temperatures
Rat high levels of pollution
When air-recirculation mode is activated auto-
matically, the indicator lamp in the ebutton
is not lit. Outside air is added after about
30 minutes.
XTo deactivate: press theebutton.
The indicator lamp in the ebutton goes
out.
iAir-recirculation mode deactivates auto-
matically:
Rafter approximately five minutes at outside
temperatures below approximately 45 ‡
(7 †)
Rafter approximately five minutes if the
"Cooling with air dehumidification" func-
tion is deactivated
Rafter approximately 30 minutes at outside
temperatures above approximately 45 ‡
(7 †) if the cooling with air dehumidifica-
tion function is activated
Switching the residual heat on or off
General notes
The residual heat function is only available in
vehicles for Canada with dual-zone automatic
climate control.
It is possible to make use of the residual heat of
the engine to continue heating the vehicle for
approximately 30 minutes after the engine has
been switched off. The heating time depends on
the set interior temperature.
iThe blower will run at a low speed regardless
of the airflow setting.
118Operating the climate control systems
Climate control
Page 121 of 318
iIf you activate the residual heat function at
high temperatures, only the ventilation will be
activated. The blower runs at medium speed.
iYou cannot use the ventilation to cool the
vehicle interior to a temperature lower than
the outside temperature.
Activating/deactivating
XTurn the SmartKey to position 0in the ignition
lock or remove it (Ypage 121).
XPress the Ìbutton.
The indicator lamp in the Ìbutton lights
up or goes out.
The indicator lamp in the button indicates that
the respective function is activated.
iResidual heat is deactivated automatically:
Rafter approximately 30 minutes
Rwhen the ignition is switched on
Rif the battery voltage drops
Air vents
Important safety notes
GWARNING
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbite in
the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
Rkeep the air inlet between the windshield and
the hood free of blockages, such as ice, snow or leaves.
Rnever cover the air vents or air intake grilles in
the vehicle interior.
iFor optimal climate control in the vehicle,
open the air vents completely and set the
adjusters to the central position.
Setting the air vents
:Side window defroster vent
;Side air vent
XTo open a side air vent: turn the adjuster in
side air vent ;to the left.
XTo close a side air vent: turn the adjuster in
side air vent ;clockwise as far as it will go.
iThe center and rear air vents are adjusted in
the same way.
Air vents119
Climate control
Z
Page 122 of 318
Notes on breaking-in a new vehicle
Important safety notes
The sensor system of some driving and driving
safety systems adjusts automatically while a
certain distance is being driven after the vehiclehas been delivered or after repairs. Full system
effectiveness is not reached until the end of this
teach-in procedure.
New and replaced brake pads and discs only
reach their optimum braking effect after several hundred kilometers of driving. Compensate for
this by applying greater force to the brake pedal.
The first 1000 miles (1500 km)
The more you look after the engine when it is
new, the more satisfied you will be with its per-
formance in the future.
RYou should therefore drive at varying vehicle
and engine speeds for the first 1000 miles
(1500 km).
RAvoid heavy loads, e.g. driving at full throttle,during this period.
RChange gear in good time, before the tach-
ometer needle is Ôof the way to the red area
of the tachometer.
RDo not manually shift to a lower gear to brake
the vehicle.
RTry to avoid depressing the accelerator pedal
beyond the point of resistance (kickdown).
RIdeally, for the first 1000 miles (1500 km),
driv ein progra mE.
Addition al breaking-in notes for Mercedes-AMG
vehicles:
RDo not drive faster than 85 mph (140 km/h)
for the first 1,000 miles (1,500 km).
ROnly allow the engine to reach a maximum
engine speed of 4,500 rpm briefly.
RChange gear in good time.
After 1,000 miles (1,500 km), you can increase
the engine speed gradually and bring the vehicle
to full speed.
You should also observe these notes on break-
ing-in if the engine or parts of the drive train on
your vehicle have been replaced.
Always observe the maxim
um permissible
speed.
Driving
Important safety notes
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.
GWARNING
Unsuitable footwear can hinder correct usage of the pedals, e.g.:
Rshoes with thick soles
Rshoes with high heels
Rslippers
There is a risk of an accident.
Wear suitable footwear to ensure correct
usage of the pedals.
GWARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect, for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving.
GWARNING
If the parking brake has not been fully
released when driving, the parking brake can:
Roverheat and cause a fire
Rlose its hold function.
There is a risk of fire and an accident. Release
the parking brake fully before driving off.
120Driving
Driving and parking
Page 123 of 318
!Do not warm up the engine with the vehicle
stationary. Drive off immediately. Avoid high
engine speeds and driving at full throttle until
the engine has reached its operating temper- ature.
Only shift the automatic transmission to the
desired drive position when the vehicle is sta-
tionary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery roads.
You could otherwise damage the drive train.
!Mercedes-AMG vehicles: avoid full-load
operation and engine speeds greater than
5000 rpm when the engine is cold. This helps
to protect the engine and avoids uncomfort-
able driving.
SmartKey positions
SmartKey
gTo remove the SmartKey
(shift the transmission to position P)
1Power supply for some consumers, such as
the windshield wipers
2Ignition (power supply for all consumers)
and drive position
3To start the engine
iThe SmartKey can be turned in the ignition
lock even if it is not the correct SmartKey for
the vehicle. The ignition is not switched on.
The engine cannot be started.
Start/Stop button
General notes
Vehicles with KEYLESS-GO are equipped with
SmartKeys featuring the integrated KEYLESS-
GO function and a detachable Start/Stop but-
ton.
A check which periodically establishes a radio
connection between the vehicle and the Smart-
Key determines whether a valid SmartKey is in
the vehicle. This occurs, for example, when
starting the engine.
When you insert the Start/Stop button into the
ignition lock, the system needs approximately
two seconds recognition time. You can then use
the Start/Stop button.
Pressing the Start/Stop button several times in
succession corresponds to the different Smart-
Key positions in the ignition lock. This is only the
case if you are not depressing the brake pedal.
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately.
To start the vehicle without actively using the
SmartKey:
Rthe Start/Stop button must be inserted in the
ignition lock.
Rthe SmartKey must be in the vehicle.
Rthe vehicle must not be locked with the
SmartKey or KEYLESS-GO (Ypage 70)
Do not keep the KEYLESS-GO key:
Rwith electronic devices, e.g. a mobile phone
or another SmartKey.
Rwith metallic objects, e.g. coins or metal foil.
Rinside metallic objects, e.g. a metal case
This can affect the functionality of KEYLESS-GO.
If you lock the vehicle with the SmartKey remote
control or with KEYLESS-GO, after a short time:
Ryou will not be able to switch on the ignition
with the Start/Stop button.
Ryou will no longer be able to start the engine
with the Start/Stop button until the vehicle is
unlocked again
If you lock the vehicle centrally using the button
on the front door (
Ypage 75), you can continue
to start the engine with the Start/Stop button.
The engine can be switched off while the vehicle
is in motion by pressing and holding the Start/
Stop button for three seconds. This function
Driving121
Driving and parking
Z
Page 124 of 318
operates independently of the ECO start/stop
automatic engine switch-off function.
Key positions with the Start/Stop button
:Start/Stop button
;Ignition lock
As soon as the ignition is switched on, all the
indicator lamps in the instrument cluster light
up.
For further information on situations in which an indicator lamp either fails to go out after the
engine is started or lights up while driving,
please refer to "Warning and indicator lamps in
the instrument cluster" (
Ypage 217).
If Start/Stop button :has not yet been
pressed, this corresponds to the SmartKey
being removed from the ignition.
XTo switch on the power supply: press
Start/Stop button :once.
The power supply is switched on. You can now
activate the windshield wipers, for example.
The power supply is switched off again if:
Rthe driver's door is opened and
Ryou press Start/Stop button :twice when in
this position
XTo switch on the ignition: press Start/Stop
button :twice.
The ignition is switched on.
If you press Start/Stop button :once when
in this position, the ignition is switched off
again.
Removing the Start/Stop button
You can remove the Start/Stop button from the
ignition lock and start the vehicle as normal
using the SmartKey.
You can only switch between Start/Stop button
mode and SmartKey operation when the vehicle is stationary. You must also engage park position
P.
XRemove Start/Stop button:from ignition
lock ;.
You do not have to remove the Start/Stop but-
ton from the ignition lock when you leave the
vehicle. You should, however, always take the
SmartKey with you when leaving the vehicle. As
long as the SmartKey is in the vehicle:
Rthe vehicle can be started using the Start/
Stop button
Rthe electrically powered equipment can be
operated
Starting the engine
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation.
122Driving
Driving and parking