Electrical Function Schematic For Anti-Theft Alarm System, Alarm Actuation - PE80.50-P-2053-97FBA
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 551 (Anti-theft warning system)
| Code: | Designation: | Position: |
| 1 | Door rotary tumbler switch, status | 34K |
| 1 | Door rotary tumbler switch, status | 29K |
| 1 | Door rotary tumbler switch, status | 34G |
| 1 | Door rotary tumbler switch, status | 32G |
| 1 | Door rotary tumbler switch, status | 31G |
| 1 | Door rotary tumbler switch, status | 2D |
| 1 | Door rotary tumbler switch, status | 4K |
| 10 | Fanfare horns, actuation | 41E |
| 10 | Fanfare horns, actuation | 43C |
| 10 | Fanfare horns, actuation | 40C |
| 12 | Glass breakage sensor, status | 6E |
| 12 | Glass breakage sensor, status | 13E |
| 13 | Interior protection sensor, signal | 10D |
| 13 | Interior protection sensor, signal | 14E |
| 14 | Center console anti-theft alarm system switch group, status | 34E |
| 15 | Parking damage display, request | 26F |
| 15 | Parking damage display, request | 19E |
| 16 | Switch-on request, signal | 19B |
| 17 | Processed image data, signal | 19C |
| 18 | Circuit 15, status | 19E |
| 19 | Telephone, signal | 25F |
| 19 | Telephone, signal | 25B |
| 2 | Engine hood contact switch, status | 34F |
| 3 | Trunk lid/liftgate lock main catch switch, status | 34G |
| 3 | Trunk lid/liftgate lock main catch switch, status | 41K |
| 5 | ATA [EDW] alarm, signal | 31F |
| 6 | Alarm siren, status | 10B |
| 7 | Access authorization code, signal | 36C |
| 7 | Access authorization code, signal | 34B |
| 7 | Access authorization code, signal | 31B |
| 7 | Access authorization code, signal | 27D |
| 7 | Access authorization code, signal | 29D |
| 8 | Panic alarm, status | 36B |
| 8 | Panic alarm, status | 34C |
| 8 | Panic alarm, status | 32B |
| 8 | Panic alarm, status | 27D |
| 8 | Panic alarm, status | 31E |
| 8 | Panic alarm, status | 29D |
| 9 | Alarm siren, actuation | 13A |
| A2/18 | FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier | 33C |
| A2/32 | Rear window antenna | 34D |
| A26/17 | Head unit | 17D |
| A40/8 | Audio/COMAND display | 20B |
| A8/1 | Transmitter key | 37B |
| A85 | Left front door lock | 5J |
| A85/1 | Right front door lock | 2A |
| A85/1s1 | Right front door rotary tumbler switch | 2A |
| A85/3 | Left rear door lock | 27K |
| A85/3s1 | Left rear door rotary tumbler switch | 27K |
| A85/4 | Right rear door lock | 36K |
| A85/4s1 | Right rear door rotary tumbler switch | 36K |
| A85/5 | Trunk lid/1iftgate lock | 39J |
| A85/5s1 | Trunk lid/liftgate lock main catch switch | 39J |
| A85s1 | Left front door rotary tumbler switch | 5K |
| B39 | Left rear window glass breakage sensor | 5F |
| B39 | Left rear window glass breakage sensor | 12G |
| B39/1 | Right rear window glass breakage sensor | 5F |
| B39/1 | Right rear window glass breakage sensor | 12G |
| B39/4 | Rear window glass breakage sensor | 5G |
| B39/4 | Rear window glass breakage sensor | 12G |
| B44/1 | Left front door interior protection sensor | 10F |
| B44/1 | Left front door interior protection sensor | 12D |
| B44/2 | Right front door interior protection sensor | 10F |
| B44/2 | Right front door interior protection sensor | 12D |
| B44/3 | Left rear interior protection sensor | 10F |
| B44/3 | Left rear interior protection sensor | 12E |
| B44/4 | Right rear interior protection sensor | 10G |
| B44/4 | Right rear interior protection sensor | 12E |
| CAN A | Telematics CAN | 16C |
| CAN B | Interior CAN | 27C |
| CAN B | Interior CAN | 30E |
| CAN B | Interior CAN | 31H |
| CAN B | Interior CAN | 33H |
| CAN B | Interior CAN | 42H |
| CAN B | Interior CAN | 15H |
| CAN B | Interior CAN | 5H |
| CAN B | Interior CAN | 38G |
| CAN B | Interior CAN | 17H |
| CAN B | Interior CAN | 30F |
| CAN B | Interior CAN | 20F |
| CAN B | Interior CAN | 23H |
| CAN B | Interior CAN | 11H |
| CAN B | Interior CAN | 25H |
| CAN D | Diagnostic CAN | 25D |
| CAN HMI | User interface CAN | 21E |
| Code 362 | HERMES LTE | 22B |
| Code 494 | USA version | 27A |
| Code 852 | Sensor system for anti-theft alarm system (ATA) | 4A |
| Code 882 | Interior protection and tow-away protection | 4A |
| Code 889 | KEYLESS-GO | 27A |
| Code 893 | KEYLESS-GO start function | 27B |
| H2 | Left fanfare horn | 39B |
| H2/1 | Right fanfare horn | 43B |
| H3/1 | Alarm siren | 14A |
| HSVL | High-speed video link | 18C |
| K40/8kL | Fanfare horn relay | 41E |
| LIN B14 | Alarm system LIN | 11A |
| LIN B14 | Alarm system LIN | 9E |
| LIN B14 | Alarm system LIN | 13D |
| N10/6 | Front SAM Control unit | 32E |
| N10/8 | Rear SAM Control unit | 42J |
| N112/9 | HERMES Control unit | 23B |
| N26/3 | ATA [EDW]/towing sensor/interior motion sensor Control unit | 9C |
| N26/6 | ATA [EDW]/towing sensor/interior motion sensor Control unit | 8E |
| N26/6a1 | Interior protection receiver | 6E |
| N26/6b1 | Left interior protection transmitter | 7G |
| N26/6b2 | Right interior protection transmitter | 6G |
| N69/1 | Left front door Control unit | 2J |
| N69/2 | Right front door Control unit | 2D |
| N69/3 | Left rear door Control unit | 30J |
| N69/4 | Right rear door Control unit | 33J |
| N69/5 | KEYLESS-GO Control unit | 29A |
| N70 | Overhead control panel Control unit | 14D |
| N70a1 | Interior protection receiver | 13E |
| N70a2 | Left interior protection transmitter | 14G |
| N70a3 | Right interior protection transmitter | 13G |
| N73 | Electronic ignition switch Control unit | 27E |
| S21 | Center console anti-theft alarm system switch group | 38E |
| S62/43 | Driver side engine hood contact switch | 43F |
| U1120 | Valid except code 852 (Sensor system for anti-theft alarm system (ATA)) | 11F |
| U1120 | Valid except code 852 (Sensor system for anti-theft alarm system (ATA)) | 10A |
| U1253 | Valid for Model 253 | 25J |
| U1592 | Valid for Model 253.99 | 11C |
| U1592 | Valid for Model 253. 99 | 11F |
| U1593 | Valid for Model 253 except Model 253.99 | 4C |
| U1593 | Valid for Model 253 except Model 253.99 | 4F |
| U1593 | Valid for Model 253 except Model 253.99 | 11F |
| U1593 | Valid for Model 253 except Model 253.99 | 11C |
| U2012 | Valid without code (882) Interior protection and tow-away protection | 39A |
| U2050 | Valid for Model 205.0 | 25J |
| U2050 | Valid for Model 205.0 | 4C |
| U2051 | Valid for Model 205.1 | 25K |
| U2051 | Valid for Model 205.1 | 4C |
| U2052 | Valid for Model 205. 2 | 25K |
| U2052 | Valid for Model 205. 2 | 4D |
| U2052 | Valid for Model 205. 2 | 4F |
| U2052 | Valid for Model 205.2 | 11F |
| U2053 | Valid for Model 205.3 | 4D |
| U2054 | Valid for Model 205.4 | 8C |
| U2054 | Valid for Model 205.4 | 37E |
| U2054 | Valid for Model 205.4 | 11D |
| U344 | Not valid for KEYLESS GO | 28C |
| U390 | Valid for Model 205 | 11C |