Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAD
WARNING: This page is about a different car, the 2012 Mercedes-Benz C300, 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 | 40L |
| A32 | AC housing | 11L |
| A32m1 | Blower motor | 14L |
| A32m1x1 | Blower motor electrical connector | 13H |
| A32n1 | Blower regulator | 11L |
| A32x1 | Air conditioner housing electrical connector | 11G |
| A32z1 | Air conditioner housing connector sleeve | 12H |
| 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 | 3L |
| B10/36 | Right front footwell air outlet temperature sensor | 7L |
| B10/6 | Evaporator temperature sensor | 1L |
| B32/3 | Sun sensor | 9L |
| LIN B8 | Climate control LIN | 32B |
| M16/22 | Air distribution flap actuator motor | 29L |
| M2/16 | Defroster vent flap actuator motor | 31L |
| M2/5 | Fresh air/air recirculation flap actuator motor | 24L |
| M2/6 | Left blending air flap actuator | 28L |
| M2/7 | Right blending air flap actuator | 26L |
| 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 |
| R22/3 | PTC heater booster | 21L |
| U12 | Valid for left-hand drive vehicles | 15G |
| U13 | Valid for right-hand drive vehicles | 15G |
| U240 | Valid for all except ECO start/stop function | 16H |
| U252 | Valid for ECO start/stop function | 16H |
| U74 | Valid for diesel engines | 20H |
| W15/5 | Left front footwell ground point | 15L |
| W15/7 | Right front footwell ground point | 15L |
| W15/9 | Ground point / PTC heater booster | 21G |
| X18/40 | Instrument panel harness and vehicle floor electrical connector | 11E |
| X85/8 | PTC heater booster electrical connector | 20H |