Function Schematic For Electric Central Locking (CL) - PE80.20-P-2050-97FBA
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
| Code: | Designation: | Position: |
| 1 | Central locking and access authorization, signal | 12H |
| 1 | Central locking and access authorization, signal | 11H |
| 1 | Central locking and access authorization, signal | 12C |
| 1 | Central locking and access authorization, signal | 14B |
| 1 | Central locking and access authorization, signal | 16C |
| 10 | Tank cap central locking actuator, status | 8D |
| 11 | Tank cap central locking actuator, actuation | 7D |
| 12 | Vehicle speed, signal | 12L |
| 13 | Acoustic locking feedback, status | 23B |
| 13 | Acoustic locking feedback, status | 16L |
| 14 | Fanfare horns, actuation | 30B |
| 14 | Fanfare horns, actuation | 28B |
| 15 | Trunk lid/liftgate external operation switch, status | 7D |
| 16 | Trunk lid emergency opening switch, status | 9C |
| 17 | Audio/COMAND control panel, status | 37G |
| 18 | Audio/COMAND display, actuation | 34E |
| 19 | Speaker, actuation | 2K |
| 2 | Trunk lid/liftgate lock main catch switch, status | 10D |
| 2 | Trunk lid/liftgate lock main catch switch, status | 12J |
| 20 | Crash, signal | 15H |
| 20 | Crash, signal | 23C |
| 21 | Separate trunk lid lock switch, status | 26D |
| 21 | Separate trunk lid lock switch, status | 8C |
| 22 | Central locking system automatic locking, status | 4L |
| 23 | Additional locking, request | 17H |
| 23 | Additional locking, request | 5H |
| 23 | Additional locking, request | 30J |
| 23 | Additional locking, request | 26J |
| 24 | Remote un locking/locking, request | 14L |
| 26 | Low voltage differential signal video signal data transfer, signal | 34D |
| 27 | Trunk lid/liftgate lock motor, actuation | 10C |
| 28 | Central locking emergency opening, signal | 20G |
| 28 | Central locking emergency opening, signal | 25D |
| 28 | Central locking emergency opening, signal | 8C |
| 28 | Central locking emergency opening, signal | 3F |
| 28 | Central locking emergency opening, signal | 30E |
| 28 | Central locking emergency opening, signal | 14H |
| 29 | Stowage compartment central locking actuator motor, actuation | 7G |
| 3 | Rotary tumbler switch, status | 32G |
| 3 | Rotary tumbler switch, status | 26H |
| 3 | Rotary tumbler switch, status | 20J |
| 3 | Rotary tumbler switch, status | 16H |
| 3 | Rotary tumbler switch, status | 12K |
| 3 | Rotary tumbler switch, status | 3F |
| 3 | Rotary tumbler switch, status | 16K |
| 3 | Rotary tumbler switch, status | 16J |
| 30 | Refueling safety detection switch, status | 6H |
| 4 | Front door central locking inside door handle switch, status | 12K |
| 4 | Front door central locking inside door handle switch, status | 3G |
| 4 | Front door central locking inside door handle switch, status | 32J |
| 4 | Front door central locking inside door handle switch, status | 16K |
| 5 | Trunk lid release button, status | 7E |
| 5 | Trunk lid release button, status | 4E |
| 6 | Lock/unlock central locking, request | 23B |
| 6 | Lock/unlock central locking, request | 9F |
| 6 | Lock/unlock central locking, request | 18H |
| 6 | Lock/unlock central locking, request | 5H |
| 6 | Lock/unlock central locking, request | 30H |
| 6 | Lock/unlock central locking, request | 25H |
| 7 | Open trunk lid/liftgate, request Central locking motor, actuation | 9G |
| 8 | Central locking motor, actuation | 33F |
| 8 | Central locking motor, actuation | 27G |
| 8 | Central locking motor, actuation | 21H |
| 9 | Additional door lock actuator motor, actuation | 33F |
| 9 | Additional door lock actuator motor, actuation | 27G |
| 9 | Additional door lock actuator motor, actuation | 21H |
| 9 | Additional door lock actuator motor, actuation | 4E |
| A1 | Instrument cluster | 3K |
| A105 | Touchpad | 34A |
| A2/18 | FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier | 13B |
| A2/32 | Rear window antenna | 16A |
| A26/17 | Head unit | 36H |
| A40/8 | Audio/COMAND display | 32E |
| A40/9 | Audio/COMAND control panel | 37B |
| A8/1 | Transmitter key | 15C |
| A85 | Left front door lock | 2C |
| A85/1 | Right front door lock | 34F |
| A85/1m1 | Right front door central locking motor | 34F |
| A85/1m4 | Right front door additional door lock actuator motor | 34G |
| A85/1s1 | Right front door rotary tumbler switch | 34G |
| A85/3 | Left rear door lock | 22H |
| A85/3m1 | Left rear door central locking motor | 22H |
| A85/3m4 | Left rear door additional door lock actuator motor | 22J |
| A85/3s1 | Left rear door rotary tumbler switch | 22H |
| A85/4 | Right rear door lock | 28G |
| A85/4m1 | Right rear door central locking motor | 28G |
| A85/4m4 | Right rear door additional door lock actuator motor | 28H |
| A85/4s1 | Right rear door rotary tumbler switch | 28G |
| A85/5 | Trunk I id/1iftgate lock | 11B |
| A85/5m1 | Trunk lid/liftgate lock motor | 11B |
| A85/5s1 | Trunk lid/liftgate lock main catch switch | 11B |
| A85m1 | Left front door central locking motor | 2C |
| A85m4 | Left front door additional door lock actuator motor | 2D |
| A85s1 | Left front door rotary tumbler switch | 2C |
| CAN A | Telematics CAN | 37D |
| CAN A | Telematics CAN | 35F |
| CAN B | Interior CAN | 12G |
| CAN B | Interior CAN | 6F |
| CAN B | Interior CAN | 9G |
| CAN B | Interior CAN | 20A |
| CAN B | Interior CAN | 12A |
| CAN B | Interior CAN | 4A |
| CAN B | Interior CAN | 17H |
| CAN B | Interior CAN | 7K |
| CAN B | Interior CAN | 25D |
| CAN B | Interior CAN | 21F |
| CAN B | Interior CAN | 20B |
| CAN B | Interior CAN | 16D |
| CAN B | Interior CAN | 20K |
| CAN B | Interior CAN | 26K |
| CAN B | Interior CAN | 21J |
| CAN B | Interior CAN | 28C |
| CAN B | Interior CAN | 10J |
| CAN B | Interior CAN | 10K |
| CAN D | Diagnostic CAN | 35L |
| CAN D | Diagnostic CAN | 28L |
| CAN D | Diagnostic CAN | 20L |
| CAN HMI | User interface CAN | 35L |
| CAN HMI | User interface CAN | 28L |
| CAN HMI | User interface CAN | 20L |
| CAN HMI | User interface CAN | 7L |
| CAN HMI | User interface CAN | 17E |
| CAN HMI | User interface CAN | 10L |
| Code 05U | Remote Online | 39E |
| Code 11U | Remote Online | 39G |
| Code 348 | Emergency call/assistance system | 39B |
| Code 360 | HERMES UMTS | 39G |
| Code 362 | HERMES LTE | 39H |
| Code 446 | Touchpad only | 33A |
| Code 494 | USA version | 9A |
| Code 885 | Extended theft protection for UK market | 34G |
| Code 885 | Extended theft protection for UK market | 28H |
| Code 885 | Extended theft protection for UK market | 2D |
| Code 885 | Extended theft protection for UK market | 22H |
| Code 887 | Valet parking | 26E |
| Code 889 | KEYLESS-GO | 11D |
| Code 893 | KEYLESS-GO start function | 11D |
| H2 | Left fanfare horn | 31B |
| H2/1 | Right fanfare horn | 31B |
| H4/61 | Instrument cluster speaker | 1J |
| K40/8kL | Fanfare horn relay | 29C |
| LVDS | Low voltage differential signal | 35E |
| M14/10 | Tank cap central locking actuator | 5D |
| M14/19 | Stowage compartment central locking actuator motor | 7H |
| N10/6 | Front SAM Control unit | 25B |
| N10/8 | Rear SAM Control unit | 8D |
| N112/1 | Telematics services communication module | 41E |
| N112/9 | HERMES Control unit | 41G |
| N123/4 | Emergency call system Control unit | 41C |
| N2/10 | Supplemental restraint system Control unit | 19D |
| N69/1 | Left front door Control unit | 4E |
| N69/2 | Right front door Control unit | 30F |
| N69/3 | Left rear door Control unit | 19G |
| N69/4 | Right rear door Control unit | 24F |
| N69/5 | KEYLESS-GO Control unit | 12E |
| N73 | Electronic ignition switch Control unit | 14J |
| S15/1 | Trunk lid release button | 4B |
| S62/20 | Refueling safety detection switch | 6J |
| S85/5 | Left front door central locking interior switch | 2G |
| S85/5s1 | "Open" central locking switch | 3H |
| S85/5s2 | "Close" central locking switch | 2H |
| S85/6 | Right front door central locking interior switch | 33H |
| S85/6s1 | "Open" central locking switch | 34K |
| S85/6s2 | "Close" central locking switch | 33K |
| S88/10 | Trunk lid emergency opening switch | 10B |
| S88/6 | Separate trunk lid lock switch | 27E |
| S88/8 | Trunk lid/liftgate external operation switch | 7B |
| U1056 | Valid except code 446 (Touchpad only) | 36B |
| U1253 | Valid for Model 253 | 23E |
| U1253 | Valid for Model 253 | 18F |
| U2010 | Not valid for ECE | 32H |
| U2050 | Valid for Model 205.0 | 9B |
| U2050 | Valid for Model 205.0 | 26E |
| U2050 | Valid for Model 205.0 | 3B |
| U2050 | Valid for Model 205.0 | 23E |
| U2050 | Valid for Model 205.0 | 18F |
| U2051 | Valid for Model 205.1 | 23F |
| U2051 | Valid for Model 205.1 | 18F |
| U2051 | Valid for Model 205.1 | 3B |
| U2051 | Valid for Model 205.1 | 26E |
| U2052 | Valid for Model 205. 2 | 23F |
| U2052 | Valid for Model 205.2 | 18G |
| U2053 | Valid for Model 205.3 | 3B |
| U2053 | Valid for Model 205.3 | 9B |
| U2053 | Valid for Model 205.3 | 26F |
| U2054 | Valid for Model 205.4 | 7H |
| U2054 | Valid for Model 205.4 | 3B |
| U2054 | Valid for Model 205.4 | 9B |
| U2054 | Valid for Model 205.4 | 26F |
| U344 | Not valid for KEYLESS GO | 10D |
| U366 | Valid without code (881) Trunk lid control | 3A |
| U978 | Valid for hybrid drive | 5J |