Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052-97FAB
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: |
|---|---|---|
| 1 | Circuit 15, status | 14H |
| 10 | Vehicle speed, signal | 19J |
| 11 | Evaporator temperature sensor, signal | 24B |
| 12 | Refrigerant pressure sensor, signal | 8H |
| 12 | Refrigerant pressure sensor, signal | 10G |
| 13 | Engine speed, signal | 7J |
| 13 | Engine speed, signal | 10G |
| 14 | Pollutant sensor, signal | 22C |
| 15 | Dew point sensor, signal | 22D |
| 16 | Humidity/temperature sensor, signal | 22B |
| 17 | Door rotary tumbler switch, status | 4C |
| 17 | Door rotary tumbler switch, status | 34G |
| 17 | Door rotary tumbler switch, status | 24G |
| 17 | Door rotary tumbler switch, status | 34J |
| 18 | Side window position, signal | 30G |
| 18 | Side window position, signal | 24H |
| 19 | Sliding roof position, signal | 37H |
| 19 | Sliding roof position, signal | 37E |
| 2 | Engine running, signal | 8J |
| 2 | Engine running, signal | 10H |
| 2 | Engine running, signal | 17L |
| 20 | Rear automatic air conditioning operating unit, request | 22E |
| 21 | Voice input, status | 12E |
| 3 | Evaporator drying, request | 19J |
| 4 | Outside temperature sensor, signal | 8H |
| 5 | Outside temperature, signal | 10H |
| 6 | Interior temperature sensor, signal | 37G |
| 6 | Interior temperature sensor, signal | 25E |
| 6 | Interior temperature sensor, signal | 25C |
| 8 | Coolant temperature, signal | 7J |
| 8 | Coolant temperature, signal | 10G |
| 9 | Sun sensor, signal | 25D |
| A1 | Instrument cluster | 19K |
| A2/56 | Radio with auto pilot system | 9B |
| A40/3 | COMAND control unit | 13B |
| A85 | Left front door lock | 26K |
| A85/1 | Right front door lock | 26K |
| A85/1s1 | Right front door rotary tumbler switch | 26K |
| A85/3 | Left rear door lock | 33K |
| A85/3s1 | Left rear door rotary tumbler switch | 33K |
| A85/4 | Right rear door lock | 33K |
| A85/4s1 | Right rear door rotary tumbler switch | 33L |
| A85s1 | Left front door rotary tumbler switch | 26K |
| A98 | Panoramic sliding roof control module | 37B |
| B10/4 | Interior temperature sensor | 27B |
| B10/6 | Evaporator temperature sensor | 23B |
| B11/12 | Dew point sensor | 17C |
| B11/4 | Coolant temperature sensor | 4B |
| B12 | Refrigerant pressure sensor | 6H |
| B14 | Outside temperature sensor | 7G |
| B31 | Emissions sensor | 17B |
| B32/3 | Sun sensor | 29B |
| B82 | Interior humidity/temperature sensor | 20A |
| CAN B | Interior CAN | 12F |
| CAN B | Interior CAN | 28F |
| CAN B | Interior CAN | 36F |
| CAN B | Interior CAN | 20F |
| CAN E | Chassis CAN | 5K |
| CAN E | Chassis CAN | 12L |
| CAN E | Chassis CAN | 5L |
| Code 413 | Panoramic sliding sunroof | 36B |
| Code 414 | Electric glass tilting/sliding roof | 36H |
| Code 511 | Audio 50 APS incl. DVD changer | 8A |
| Code 512 | COMAND APS with DVD changer | 11A |
| Code 527 | COMAND APS | 11A |
| Code 581 | Comfort automatic air conditioning | 16A |
| LIN B8 | Climate control LIN | 20E |
| LIN B8 | Climate control LIN | 20D |
| LIN B8 | Climate control LIN | 20C |
| LIN B8 | Climate control LIN | 21B |
| N10/1 | Front SAM control unit with fuse and relay module | 8H |
| N10/2 | Rear SAM control unit with fuse and relay module | 33G |
| N22/4 | Rear automatic air conditioning operating unit | 17D |
| N22/7 | Automatic air conditioning control and operating unit | 23D |
| N3/10 | ME-SFI [ME] control unit | 5D |
| N3/9 | CDI control unit | 2D |
| N69/1 | Left front door control unit | 23H |
| N69/2 | Right front door control unit | 23H |
| N69/3 | Left rear door control unit | 29H |
| N69/4 | Right rear door control unit | 29H |
| N70 | Overhead control panel control unit | 37J |
| N70/3 | Overhead control panel electronics | 31C |
| N70/3b1 | Interior temperature sensor with integrated fan | 32B |
| N70b1 | Interior temperature sensor with integrated fan | 37H |
| N73 | Electronic ignition switch control unit | 14H |
| U111 | Valid for overhead control panel without CAN | 30B |
| U113 | Valid for 2-zone THERMATIC | 22C |
| U114 | Valid for 3-zone THERMOTRONIC | 22C |
| U52 | Valid for Japan | 11B |
| U54 | Valid for all except Japan | 11B |
| U61 | Not valid for model 204.3 | 28H |
| U61 | Not valid for model 204.3 | 32J |
| U74 | Valid for diesel engines | 1D |
| U75 | Valid for gasoline engines | 4D |