Attention Assist Electrical Function Schematic - PE54.71-P-2054-97FBA
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 up to model year 2019
Model 253 (except 253.99)
up to model year 2020
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Engine running, signal | 12H |
| 1 | Engine running, signal | 16E |
| 10 | Multifunction steering wheel button group, signal | 22H |
| 10 | Multifunction steering wheel button group, signal | 13J |
| 10 | Multifunction steering wheel button group, signal | 22D |
| 10 | Multifunction steering wheel button group, signal | 12C |
| 10 | Multifunction steering wheel button group, signal | 10B |
| 11 | Time, signal | 11C |
| 11 | Time, signal | 11H |
| 12 | Light sensor, status | 8F |
| 12 | Light sensor, status | 10E |
| 12 | Light sensor, status | 11G |
| 12 | Light sensor, status | 9G |
| 13 | Steering wheel angle sensor, signal | 23J |
| 14 | Steering wheel angle, signal | 13J |
| 15 | Steering wheel velocity, signal | 14J |
| 16 | Turn rate, lateral and longitudinal acceleration sensor, signal | 10J |
| 17 | Operation, signal | 10D |
| 17 | Operation, signal | 11G |
| 17 | Operation, signal | 3D |
| 18 | Steering column adjustment switch, status | 21K |
| 18 | Steering column adjustment switch, status | 14J |
| 19 | Combination switch, status | 21J |
| 19 | Combination switch, status | 15J |
| 2 | Drivetrain operational, signal | 12G |
| 2 | Drivetrain operational, signal | 17E |
| 20 | CRUISE CONTROL lever, signal | 21H |
| 20 | CRUISE CONTROL lever, signal | 15J |
| 3 | ATTENTION ASSIST, status | 11C |
| 3 | ATTENTION ASSIST, status | 11H |
| 4 | Instrument cluster message, request | 9B |
| 4 | Instrument cluster message, request | 11F |
| 5 | Warning message issue, request | 9B |
| 5 | Warning message issue, request | 11F |
| 5 | Warning message issue, request | 6D |
| 6 | Warning tone, request | 10B |
| 6 | Warning tone, request | 11F |
| 7 | Speaker, actuation | 5A |
| 8 | Audio/COMAND® display, actuation | 4H |
| 9 | Low voltage differential signal video signal data transfer, signal | 5H |
| A1 | Instrument cluster | 7A |
| A1p13 | Multifunction display | 8A |
| A26/17 | Head unit | 4C |
| A40/8 | Audio/COMAND® display | 4J |
| A40/9 | Audio/COMAND® control panel | 2B |
| B38/2 | Rain/light sensor with additional functions | 10G |
| B38/2b2 | Light sensor | 8H |
| CAN A | Telematics CAN | 4G |
| CAN A | Telematics CAN | 2D |
| CAN B | Interior CAN | 8E |
| CAN C1 | Drive train CAN | 16F |
| CAN H | Vehicle dynamics CAN | 8J |
| CAN HMI | User interface CAN | 8D |
| CAN HMI | User interface CAN | 10B |
| Code 275 | Memory package | 18L |
| Flex E | Chassis FlexRay | 15J |
| Flex E | Chassis FlexRay | 11G |
| Flex E | Chassis FlexRay | 14D |
| Flex E | Chassis FlexRay | 18C |
| H4/61 | Instrument cluster speaker | 5A |
| LIN B16 | Rain and light sensor LIN | 9G |
| LIN E1 | Steering LIN | 22F |
| LVDS | Low voltage differential signal | 5G |
| N10/6 | Front SAM control unit | 7F |
| N127 | Drivetrain control unit | 16D |
| N135 | Steering wheel electronics | 22E |
| N2/10 | Supplemental restraint system control unit | 7K |
| N3/10 | ME-SFI [ME] control unit | 14F |
| N3/9 | CDI control unit | 18G |
| N30/4 | Electronic Stability Program control unit | 11J |
| N49 | Steering wheel angle sensor | 23J |
| N73 | Electronic ignition switch control unit | 11C |
| N80 | Steering column module control unit | 22H |
| S110 | Left multifunction steering wheel button group | 21A |
| S110s6 | OK button | 21A |
| S111 | Right multifunction steering wheel button group | 23A |
| S4 | Combination switch | 20J |
| S40/4 | Cruise control lever | 20H |
| S59 | Steering column adjustment switch | 19L |
| U1018 | Valid for gasoline engine 276 | 13H |
| U362 | Valid for gasoline engine 274 | 13H |
| U39 | Valid for gasoline engine 177 | 13H |
| U406 | Valid for diesel engine 626 | 16H |
| U561 | Valid for Delphi system | 17H |
| U562 | Valid for Bosch system | 17H |
| U948 | Valid for diesel engine 651 | 16H |
| U948 | Valid for diesel engine 651 | 16H |
| U978 | Valid for hybrid drive | 17H |