Electrical Function Schematic For Triggering Heater Booster Mode - PE83.70-P-2060-97FBA
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 228 (Auxiliary heater)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Drivetrain operational, signal | 5D |
| 1 | Drivetrain operational, signal | 10C |
| 1 | Drivetrain operational, signal | 18C |
| 2 | Coolant temperature, signal | 10C |
| 2 | Coolant temperature, signal | 17C |
| 2 | Coolant temperature, signal | 5E |
| 3 | Stationary heater button, status | 17D |
| 4 | Heat, request | 13J |
| 5 | Coolant circulation pump, actuation | 20D |
| 6 | Stationary heater status indication, request | 14F |
| A6 | Stationary heater unit | 12H |
| A6n1 | Stationary heater control unit | 12H |
| CAN B | Interior CAN | 15C |
| CAN C1 | Drive train CAN | 4F |
| Flex E | Chassis FlexRay | 8C |
| LIN B8-2 | Climate control LIN 2 | 15J |
| LIN B8-3 | AC operation LIN | 15E |
| M13/5 | Coolant circulation pump | 21D |
| N127 | Drivetrain control unit | 4C |
| N22/1 | Climate control control unit | 18D |
| N3/10 | ME-SFI [ME] control unit | 3H |
| N3/9 | CDI control unit | 6H |
| N58/1 | Climate control operating unit | 14F |
| N58/1s8 | Stationary heater button | 13F |
| N73 | Electronic ignition switch control unit | 11B |
| U1018 | Valid for gasoline engine 276 | 2J |
| U362 | Valid for gasoline engine 274 | 2J |
| U39 | Valid for gasoline engine 177 | 2J |
| U406 | Valid for diesel engine 626 | 5J |
| U561 | Valid for Delphi system | 5K |
| U562 | Valid for Bosch system | 6J |
| U948 | Valid for diesel engine 651 | 5K |
| U948 | Valid for diesel engine 651 | 5J |
| U978 | Valid for hybrid drive | 5J |