Electrical Function Schematic For Front Seat Heater - PE91.30-P-2056-97FBA
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 205, 253
with code 401 (Climatised front seats)
MODEL 205, 253
with code 873 (Left and right drivers seat heating)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 15C |
| 2 | Seat climate control switch group, status | 9J |
| 2 | Seat climate control switch group, status | 14F |
| 2 | Seat climate control switch group, status | 18J |
| 2 | Seat climate control switch group, status | 23J |
| 3 | Seat heater, request | 21F |
| 3 | Seat heater, request | 21D |
| 3 | Seat heater, request | 11F |
| 3 | Seat heater, request | 11D |
| 3 | Seat heater, request | 16J |
| 3 | Seat heater, request | 5B |
| 3 | Seat heater, request | 15C |
| 4 | Seat heater, actuation | 26E |
| 4 | Seat heater, actuation | 5E |
| 4 | Seat heater, actuation | 4G |
| 4 | Seat heater, actuation | 29G |
| 5 | Seat heater, status | 18F |
| 5 | Seat heater, status | 18D |
| 5 | Seat heater, status | 13F |
| 5 | Seat heater, status | 13D |
| 5 | Seat heater, status | 12K |
| 5 | Seat heater, status | 20K |
| 5 | Seat heater, status | 7J |
| 5 | Seat heater, status | 25K |
| 5 | Seat heater, status | 16G |
| 6 | Interior temperature, signal | 17C |
| A26/17 | Head unit | 2B |
| CAN B | Interior CAN | 20G |
| CAN B | Interior CAN | 12G |
| CAN B | Interior CAN | 13J |
| CAN B | Interior CAN | 19J |
| CAN B | Interior CAN | 11B |
| CAN B | Interior CAN | 21B |
| CAN HMI | User interface CAN | 4B |
| Code 221 | Fully electric driver seat adjustment without memory without electric head restraint adjustment | 7C |
| Code 221 | Fully electric driver seat adjustment without memory without electric head restraint adjustment | 1G |
| Code 222 | Electrically adjustable right front seat | 18C |
| Code 222 | Electrically adjustable right front seat | 26G |
| Code 242 | All-electric front passenger seat with memory (right) | 18F |
| Code 242 | All-electric front passenger seat with memory (right) | 26G |
| Code 275 | Memory package | 7F |
| Code 275 | Memory package | 1G |
| LIN B28 | Heater LIN | 20D |
| LIN B28 | Heater LIN | 12D |
| LIN B28 | Heater LIN | 16G |
| LIN B5 | Left front door LIN | 8J |
| LIN B6 | Right front door LIN | 24J |
| N10/8 | Rear SAM control unit | 16D |
| N22/1 | Climate control control unit | 27A |
| N25/17 | Front seat heater control unit | 16L |
| N25/4 | Front passenger seat heater control unit | 16K |
| N25/5 | Driver seat heater control unit | 16K |
| N32/1 | Driver seat control unit | 9F |
| N32/1 | Driver seat control unit | 9D |
| N32/2 | Front passenger seat control unit | 23D |
| N32/2 | Front passenger seat control unit | 23F |
| N69/1 | Left front door control unit | 10H |
| N69/2 | Right front door control unit | 22H |
| N73 | Electronic ignition switch control unit | 7A |
| R13/1 | Left front seat cushion heater pad | 2F |
| R13/2 | Left front seat backrest heater pad | 2F |
| R13/3 | Right front seat cushion heater pad | 27F |
| R13/4 | Right front seat backrest heater pad | 27F |
| R24 | Adjustable seat cushion length heater pad, left front seat | 2G |
| R24/1 | Adjustable seat cushion length heater pad, right front seat | 27G |
| S51/1 | Left front seat climate control switch group | 6H |
| S51/1s2 | Left front seat heater switch | 6J |
| S51/2 | Right front seat climate control switch group | 26J |
| S51/2s2 | Right front seat heater switch | 26J |
| U1253 | Valid for model 253 | 4A |
| U1253 | Valid for model 253 | 15B |
| U285 | Valid for partially electric seat adjustment unit | 15J |