Electrical Function Schematic For PRE-SAFE (R) In Rear - PE30.30-P-2061-97FBA
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
with code 253 (Rear impact warning and protection system)
Model 253 (except 253.99) up to model year 2020
with code 253 (Rear impact warning and protection system)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Engine running, signal | 14J |
| 1 | Engine running, signal | 20K |
| 10 | Gear range, status | 15J |
| 10 | Gear range, status | 20H |
| 11 | Vehicle speed, signal | 14G |
| 11 | Vehicle speed, signal | 11C |
| 12 | Service brake braking torque, request | 6J |
| 13 | Traction system hydraulic unit, actuation | 5G |
| 14 | Relative speed of object behind, signal | 7J |
| 15 | Time until rear collision, signal | 7J |
| 16 | PRE-SAFE® triggering recommendation, signal | 7J |
| 2 | Drivetrain operational, signal | 15J |
| 2 | Drivetrain operational, signal | 20K |
| 3 | PRE-SAFE® brake, status | 11C |
| 3 | PRE-SAFE® brake, status | 14H |
| 4 | Trailer recognition, status | 14D |
| 4 | Trailer recognition, status | 14H |
| 5 | Far range radar sensor, signal | 11K |
| 6 | Collision-critical warning, status | 14F |
| 6 | Collision-critical warning, status | 14A |
| 7 | Service brake, status | 11J |
| 8 | Electric parking brake switch, status | 3K |
| 9 | Parking brake, status | 11J |
| A1 | Instrument cluster | 5C |
| A7/3 | Traction system hydraulic unit | 5F |
| B92/1 | Center rear bumper radar sensor | 8K |
| CAN B | Interior CAN | 15E |
| CAN B | Interior CAN | 13B |
| CAN C1 | Drive train CAN | 21K |
| CAN C1 | Drive train CAN | 21G |
| CAN HMI | User interface CAN | 9D |
| CAN S2 | Radar CAN 2 | 10K |
| Code 550 | Trailer hitch | 17C |
| Flex E | Chassis FlexRay | 16J |
| Flex E | Chassis FlexRay | 13G |
| Flex E | Chassis FlexRay | 9J |
| N10/6 | Front SAM control unit | 16A |
| N127 | Drivetrain control unit | 18J |
| N28/1 | Trailer recognition control unit | 18D |
| N3/10 | ME-SFI [ME] control unit | 24J |
| N3/9 | CDI control unit | 24G |
| N30/4 | Electronic Stability Program control unit | 4J |
| N62/1 | Radar sensors control unit | 13J |
| N73 | Electronic ignition switch control unit | 12C |
| S76/15 | Electric parking brake switch | 1K |
| U1018 | Valid for gasoline engine 276 | 23L |
| U362 | Valid for gasoline engine 274 | 23L |
| U39 | Valid for gasoline engine 177 | 23L |
| U406 | Valid for diesel engine 626 | 23H |
| U561 | Valid for Delphi system | 23J |
| U562 | Valid for Bosch system | 24J |
| U948 | Valid for diesel engine 651 | 23J |
| U948 | Valid for diesel engine 651 | 23J |
| U978 | Valid for hybrid drive | 23J |
| Y3/8n4 | Fully integrated transmission control control unit | 21E |