Mercedes C-Class

Climate Control System

Climate Bar Overview (3-Zone Automatic Climate Control)
  • s – Increases the temperature
  • Upper display area – shows climate control on/off and synchronization function
  • ¬ – Defrosts the windshield
  • ¿ – Activates/deactivates the A/C function
  • ¤ – Switches the rear window heater on/off
  • r – Reduces the temperature
  • g – Switches air-recirculation mode on/off
  • ± – Calls up the air conditioning menu
  • A – Sets climate control to automatic mode
  • B – Increases the airflow or switches on climate control
  • C – Reduces the airflow or switches off climate control

The availability of individual functions depends on the country and vehicle equipment.

Rear Operating Unit (Example: USA)
  • 1 – Sets air distribution to center and side vents, left
  • 2 – Sets temperature, left
  • 3 – Sets airflow, left, or switches climate control on/off
  • 4 – Switches climate control on/off
  • 5 – Sets airflow, right, or switches climate control on/off
  • 6 – Sets temperature, right
  • 7 – Sets air distribution to center and side vents, right
  • 8 – Sets rear climate control to automatic mode, right
  • 9 – Sets air distribution to right rear footwell vents
  • A – Synchronization activated
  • B – Sets air distribution to rear left footwell vents
  • C – Sets rear climate control to automatic mode, left
Operating Climate Control
Switching Climate Control On/Off
  • On: Set airflow to level 1 or higher via the climate bar or press Ã, s, r, or ±
  • Off: Set airflow to level 0 via the climate bar or press j

Note: Switching off climate control may cause faster window fogging.

Rear Climate Control
  • On: Press button 4, or set airflow ≥ 1 using buttons 3 & 5, or press 2, 6, 8, or C
  • Off: Press button 4, or set airflow = 0 using buttons 3 & 5
Air Distribution & Automatic Mode
  • Set air distribution using the multimedia system (First or Second Row of Seats)
  • Set airflow accordingly
  • Automatic mode maintains interior temperature; airflow can be adjusted manually if desired
Air-Recirculation Mode
  • Press g on climate bar or multimedia system to activate recirculation
  • Automatically switches to fresh air after a while
  • Note: Only activate briefly to prevent faster window fogging
Residual Heat Mode
  • Available if vehicle is parked and coolant temperature is high
  • Switch on/off via "Residual Heat" on climate bar
  • Automatically switches off after some time
Ionization
  • Improves interior air quality; only works with AUTO mode or side air vent open
  • Activate via multimedia system: Climate Menu → Air Quality → Ionization
Fragrance System
  • Distributes fragrance from flacon in glove box
  • Activate/deactivate via multimedia system: Climate Menu → Air Quality → Air Freshener
  • Set intensity by holding "Fragrance" until desired level is reached
  • Insert/remove flacon: slide in/out of holder after opening glove box
  • WARNING: Keep children away from flacon; rinse eyes/skin if contact occurs; seek medical attention if ingested
  • ENVIRONMENTAL NOTE: Dispose of full flacons at harmful substance collection poi

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