Electrical Function Schematic For Pre-Safe (R) - PE91.40-P-2051-97XBA
Model 257, 290
up to model year 2021
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 12F |
| 10 | Engine running, signal | 23C |
| 10 | Engine running, signal | 21G |
| 10 | Engine running, signal | 5E |
| 11 | Drivetrain operational, signal | 23C |
| 11 | Drivetrain operational, signal | 21H |
| 11 | Drivetrain operational, signal | 5D |
| 12 | Adjust PRE-SAFE®, request | 38E |
| 12 | Adjust PRE-SAFE®, request | 35E |
| 12 | Adjust PRE-SAFE®, request | 15H |
| 12 | Adjust PRE-SAFE®, request | 19F |
| 12 | Adjust PRE-SAFE®, request | 39H |
| 12 | Adjust PRE-SAFE®, request | 36G |
| 13 | Front passenger seat occupied recognition, status | 39H |
| 13 | Front passenger seat occupied recognition, status | 24E |
| 13 | Front passenger seat occupied recognition, status | 19F |
| 14 | PRE-SAFE® triggering, request | 18D |
| 15 | Relative speed to opposing object, signal | 32D |
| 15 | Relative speed to opposing object, signal | 20G |
| 15 | Relative speed to opposing object, signal | 9J |
| 16 | Time until side impact, signal | 32D |
| 16 | Time until side impact, signal | 20G |
| 16 | Time until side impact, signal | 9J |
| 17 | Squib, actuation | 29D |
| 18 | PRE-SAFE® fault, message | 14C |
| 2 | Driver assistance system, status | 12F |
| 2 | Driver assistance system, status | 10D |
| 2 | Driver assistance system, status | 22H |
| 2 | Driver assistance system, status | 11G |
| 3 | ESP® mode, request | 13F |
| 3 | ESP® mode, request | 20E |
| 4 | Transmission mode, request | 13F |
| 4 | Transmission mode, request | 20E |
| 5 | Seat belt buckle switch, status | 26B |
| 5 | Seat belt buckle switch, status | 33B |
| 5 | Seat belt buckle switch, status | 23E |
| 5 | Seat belt buckle switch, status | 36H |
| 5 | Seat belt buckle switch, status | 38H |
| 5 | Seat belt buckle switch, status | 33K |
| 5 | Seat belt buckle switch, status | 29K |
| 6 | PRE-SAFE®, status | 15H |
| 6 | PRE-SAFE®, status | 20F |
| 6 | PRE-SAFE®, status | 38G |
| 6 | PRE-SAFE®, status | 38E |
| 6 | PRE-SAFE®, status | 35E |
| 6 | PRE-SAFE®, status | 24C |
| 6 | PRE-SAFE®, status | 18D |
| 6 | PRE-SAFE®, status | 36G |
| 7 | PRE-SAFE® system stage, request | 23C |
| 7 | PRE-SAFE® system stage, request | 20F |
| 8 | Crash, signal | 27B |
| 9 | Belt adjustment, status | 24B |
| A1 | Instrument cluster | 14D |
| A108 | Active Brake Assist controller unit | 23K |
| A108/1 | DISTRONIC Distance-Pilot controller unit | 10A |
| A26/17 | Head unit | 18B |
| A76 | Left front reversible emergency tensioning retractor | 25B |
| A76/1 | Right front reversible emergency tensioning retractor | 25B |
| A98/1 | Sliding roof control module | 16J |
| B92/2 | Left outer front bumper radar sensor | 6J |
| B92/5 | Right outer front bumper radar sensor | 6J |
| CAN B | Interior CAN | 31F |
| CAN B | Interior CAN | 31G |
| CAN B | Interior CAN | 32F |
| CAN B | Interior CAN | 18H |
| CAN B | Interior CAN | 32G |
| CAN B | Interior CAN | 32K |
| CANC1 | Drive train CAN | 4D |
| CAN HMI | User interface CAN | 28E |
| CAN HMI | User interface CAN | 22D |
| CAN HMI | User interface CAN | 28C |
| CAN HMI | User interface CAN | 21C |
| CAN HMI | User interface CAN | 20A |
| CAN HMI | User interface CAN | 19E |
| CAN PER | Peripherals CAN | 22H |
| CANS1 | Front radar CAN | 8K |
| Code 239 | DISTRONIC Distance-Pilot | 9A |
| Code 23P | Driver assistance package | 10J |
| Code 258 | COLLISION PREVENTION ASSIST | 21J |
| Code 275 | Front power seats memory package | 37H |
| Code 292 | PRE-SAFE® side pulse | 5J |
| Code 292 | PRE-SAFE® side pulse | 27D |
| Code 414 | Sliding roof | 15J |
| Code 432 | Left and right front dynamic multicontour seat | 34H |
| Code 506 | Audio 20 NTG 5.5 radio | 16B |
| Code 520 | Audio 20 USB | 16B |
| Code 531 | COMAND APS | 16B |
| Flex E | Chassis FlexRay | 16F |
| Flex E | Chassis FlexRay | 10H |
| Flex E | Chassis FlexRay | 16G |
| Flex E | Chassis FlexRay | 10D |
| Flex E | Chassis FlexRay | 8L |
| Flex E | Chassis FlexRay | 19L |
| N10/8 | Rear SAM control unit | 31J |
| N127 | Drivetrain control unit | 4E |
| N2/10 | Supplemental restraint system control unit | 31B |
| N3/10 | ME-SFI [ME] control unit | 4B |
| N3/9 | CDI control unit | 7B |
| N30/4 | Electronic Stability Program control unit | 10E |
| N32/15 | Left front multicontour seat control unit | 35J |
| N32/16 | Right front multicontour seat control unit | 35J |
| N32/2 | Front passenger seat control unit | 38J |
| N62/4 | Mercedes-Benz Intelligent Drive control unit | 11J |
| N69/1 | Left front door control unit | 35B |
| N69/2 | Right front door control unit | 35B |
| N69/3 | Left rear door control unit | 38B |
| N69/4 | Right rear door control unit | 38B |
| N73 | Electronic ignition switch control unit | 22E |
| R12/65 | Driver seat side PRE-SAFE® Pulse squib | 28D |
| R12/66 | Front passenger seat side PRE-SAFE® Pulse squib | 28D |
| S68/11 | Left rear seat belt buckle switch | 28J |
| S68/12 | Right rear seat belt buckle switch | 28J |
| S68/3 | Driver seat belt buckle switch | 33C |
| S68/4 | Front passenger seat belt buckle switch | 33C |
| U1023 | Valid for engine 264 | 2A |
| U1256 | Valid for engine 256 | 2A |
| U409 | Valid for diesel engine 656 | 4A |