heater MERCEDES-BENZ SLC 2019 Owners Manual

Problems with the seat heating
ProblemPossible causes/consequences andPPSolutions
The seat heating hasswitched off prema-turely or cannot beswitched on. The vehi-cle's electrical systemvoltage is too lowbecause too many elec-trical consumers areswitched on.
Switch off electrical consumers that you do not need, such as therear window defroster or interior lighting.
Once the battery is sufficiently charged, switch on the seat heatingagain.
AIRSCARF
Setting head level heating (AIRSCARF)
GWARNING
When AIRSCARF is switched on, very hot air
can flow from the vents in the head
restraints. This could result in burns in the
immediate vicinity of the air vents. There is a
risk of injury.
Reduce the heater output before it becomes
too hot.
The AIRSCARF function warms the head andneck area of vehicle occupants with warm air.The warm air flows out of the holes in the headrestraints.
The three red indicator lamps in the buttonindicate the heating level you have selected.
XEnsure that the SmartKey is in positionHin the ignition lock.
XTo switch on:press buttonC.Three red indicator lamps in the button lightup. The blower starts up after a preheatingphase of seven seconds.
XPress buttonCrepeatedly until the desiredheating level is set.
XTo switch off:press buttonCrepeatedlyuntil all the indicator lamps go out.
iThe blower continues running for sevenseconds to cool down the heating elements.
iIf the battery voltage is too low, AIRSCARFmay switch off.
Problems with AIRSCARF
AIRSCARF has switched off prematurely or willnot switch on. The vehicle's electrical systemvoltage is too low because too many electricalconsumers are switched on.
XSwitch off electrical consumers that you donot need, such as the rear window defrosteror interior lighting.
XSwitch on AIRSCARF again.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you
do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Steering wheel89
Seats, steering wheel and mirrors
Z

iIf you activate the residual heat function athigh temperatures, only the ventilation willbe activated. The blower runs at mediumspeed.
XTo deactivate:press theKorVbut-ton.The indicator lamp in theKorVbut-ton goes out.
Residual heat is deactivated automatically:
Rafter approximately 30 minutes
Rwhen the ignition is switched on
Rif the battery voltage drops
Setting the air vents
Important safety notes
GWARNING
Very hot or very cold air can flow from the
air vents. This could result in burns or frost-
bite 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.
GWARNING
When AIRSCARF is switched on, very hot air
can flow from the vents in the head
restraints. This could result in burns in the
immediate vicinity of the air vents. There is a
risk of injury.
Reduce the heater output before it becomes
too hot.
In order to ensure the direct flow of fresh airthrough the air vents into the vehicle interior,please observe the following notes:
Rkeep the air inlet grille on the hood and inthe engine compartment on the front-passenger side free of blockages, such asice, snow or leaves.
Rnever cover the air vents or air intake grillesin the vehicle interior.
iYou can move the adjusters for the airvents vertically or horizontally to set thedirection of the airflow.
iFor optimal climate control in the vehicle,open the air vents completely and set theadjusters to the central position.
Setting the center air vents
XTo open the center air vents:turn theadjuster in one of center air ventsCcoun-ter-clockwise.
XTo close the center air vents:turn theadjuster in one of center air ventsCclock-wise until it engages.
Setting the side air vents
CSide window defroster vent
DSide air vent
XTo open a side air vent:turn the adjusterin the side air ventDto the left.
XTo close a side air vent:turn the adjusterin the side air ventDto the right until itengages.
Setting the air vents115
Climate control
Z

Setting the blower output of the AIR-
SCARF vents
GWARNING
When AIRSCARF is switched on, very hot air
can flow from the vents in the head
restraints. This could result in burns in the
immediate vicinity of the air vents. There is a
risk of injury.
Reduce the heater output before it becomes
too hot.
You can adjust the blower output of AIRSCARFventsCusing the AIRSCARF button(Ypage 89).
116Setting the air vents
Climate control