Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAC
WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 56A |
| A32 | AC housing | 12L |
| A32 | AC housing | 18L |
| A32m1 | Blower motor | 15L |
| A32m1 | Blower motor | 21L |
| A32m1x1 | Blower motor electrical connector | 15H |
| A32n1 | Blower regulator | 13L |
| A32n1 | Blower regulator | 18L |
| A32x1 | Air conditioner housing electrical connector | 12G |
| A32x1 | Air conditioner housing electrical connector | 18G |
| A32z1 | Air conditioner housing connector sleeve | 13H |
| B10/31 | Left side air outlet temperature sensor | 5L |
| B10/32 | Right side air outlet temperature sensor | 6L |
| B10/35 | Left front footwell air outlet temperature sensor | 4L |
| B10/36 | Right front footwell air outlet temperature sensor | 7L |
| B10/6 | Evaporator temperature sensor | 1L |
| B11/12 | Dew point sensor | 32L |
| B32/3 | Sun sensor | 9L |
| Code B03 | ECO start/stop function | 23H |
| LIN B8 | Climate control LIN | 43B |
| M2/10 | Left footwell flap actuator motor | 49L |
| M2/11 | Right footwell flap actuator motor | 41L |
| M2/12 | Left center air outlet flap actuator motor | 45L |
| M2/13 | Right center air outlet flap actuator motor | 43L |
| M2/21 | Diffuse flap actuator motor | 54L |
| M2/34 | Ram air flap actuator motor | 35L |
| M2/35 | Rear blend air flap actuator motor | 47L |
| M2/5 | Fresh air/air recirculation flap actuator motor | 34L |
| M2/6 | Left blending air flap actuator | 52L |
| M2/7 | Right blending air flap actuator | 37L |
| M2/8 | Left defroster vent flap actuator motor | 51L |
| M2/9 | Right defroster vent flap actuator motor | 39L |
| N22/7 | Automatic air conditioning control and operating unit | 4A |
| N22/7 | Automatic air conditioning control and operating unit | 12A |
| N22/7 | Automatic air conditioning control and operating unit | 20A |
| N22/7 | Automatic air conditioning control and operating unit | 28A |
| N22/7 | Automatic air conditioning control and operating unit | 36A |
| N22/7 | Automatic air conditioning control and operating unit | 42A |
| R22/3 | PTC heater booster | 29L |
| U12 | Valid for left-hand drive vehicles | 22G |
| U13 | Valid for right-hand drive vehicles | 22G |
| U240 | Valid for all except ECO start/stop function | 23H |
| U74 | Valid for diesel engines | 27H |
| W15/5 | Left front footwell ground point | 22L |
| W15/7 | Right front footwell ground point | 22L |
| W15/9 | Ground point / PTC heater booster | 28G |
| X18/40 | Instrument panel harness and vehicle floor electrical connector | 22E |
| X85/8 | PTC heater booster electrical connector | 27H |