Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Mercedes Benz S560 BaseFACTORY OEM SERVICE PROCEDURE
Electrical Function Schematic For Distronic Distance-Pilot - PE30.30-P-2068-97SEA
Model 217, 222 as of model year 2018 with code 23P (Driving Assistance package)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Engine running, signal | 8C |
| 1 | Engine running, signal | 13E |
| 10 | Wheel speed, signal | 14E |
| 11 | Wheel rotation direction, signal | 14E |
| 12 | ESP®, status | 14D |
| 13 | Short and long-range radar sensor, signal | 12H |
| 14 | Close range radar sensors, signal | 16E |
| 15 | Object information, data package | 16D |
| 15 | Object information, data package | 15H |
| 16 | Road sign display, request | 7L |
| 16 | Road sign display, request | 15K |
| 16 | Road sign display, request | 16G |
| 17 | GPS, signal | 14H |
| 17 | GPS, signal | 16L |
| 18 | Available torque, signal | 7C |
| 18 | Available torque, signal | 12E |
| 19 | Braking torque, signal | 15F |
| 2 | Drivetrain operational, signal | 7C |
| 2 | Drivetrain operational, signal | 13E |
| 20 | Speed, turn rate and lateral acceleration, signal | 13B |
| 20 | Speed, turn rate and lateral acceleration, signal | 15E |
| 21 | DYNAMIC SELECT switch, status | 4G |
| 21 | DYNAMIC SELECT switch, status | 17L |
| 21 | DYNAMIC SELECT switch, status | 8E |
| 21 | DYNAMIC SELECT switch, status | 22K |
| 21 | DYNAMIC SELECT switch, status | 38K |
| 22 | Transmission mode, signal | 7D |
| 22 | Transmission mode, signal | 13E |
| 23 | Steering wheel angle sensor, signal | 22F |
| 24 | Steering wheel angle, signal | 16G |
| 25 | Combination switch, status | 16G |
| 25 | Combination switch, status | 20G |
| 26 | Accelerator pedal position, signal | 12E |
| 27 | Brake pedal, status | 15E |
| 28 | Engine torque, increase request | 5B |
| 28 | Engine torque, increase request | 10D |
| 28 | Engine torque, increase request | 15C |
| 29 | Engine torque, reduce request | 5B |
| 29 | Engine torque, reduce request | 15D |
| 29 | Engine torque, reduce request | 11D |
| 3 | Radar sensor system operational, status | 12G |
| 30 | Engage targeted gear, request | 4G |
| 30 | Engage targeted gear, request | 11D |
| 30 | Engage targeted gear, request | 14C |
| 31 | Braking torque reduction, request | 14D |
| 32 | Braking torque increase, request | 14C |
| 33 | Traction system hydraulic unit, actuation | 17A |
| 34 | Warning and system messages, request | 8L |
| 34 | Warning and system messages, request | 13I |
| 35 | Warning tone, request | 8L |
| 35 | Warning tone, request | 8L |
| 36 | Speaker, actuation | 2J |
| 38 | Parking system distance sensors, signal | 27C |
| 38 | Parking system distance sensors, signal | 38A |
| 39 | Heater, actuation | 10H |
| 40 | Operation, signal | 21E |
| 40 | Operation, signal | 29D |
| 5 | Parking brake, status | 14F |
| 6 | Gear range, status | 8D |
| 6 | Gear range, status | 13E |
| 7 | CRUISE CONTROL lever, signal | 16G |
| 8 | Active Parking Assist, status | 16D |
| 9 | Engine hood contact switch, status | 14G |
| 9 | Engine hood contact switch, status | 16J |
| A1 | Instrument cluster | 3K |
| A105 | Touchpad | 36F |
| A105 | Touchpad | 36J |
| A26/17 | Head unit | 20K |
| A40/13 | Stereo multifunction camera | 25E |
| A40/9 | Audio/COMAND control panel | 36D |
| A40/9s19 | DYNAMIC SELECT switch | 37D |
| A7/3 | Traction system hydraulic unit | 18A |
| B8/1 | Outer left front parking system distance sensor | 47D |
| B8/10 | Outer left rear parking system distance sensor | 39D |
| B8/11 | Center left rear parking system distance sensor | 40E |
| B8/12 | Center right rear parking system distance sensor | 42E |
| B8/2 | Center left front parking system distance sensor | 47D |
| B8/3 | Inner left front parking system distance sensor | 46D |
| B8/4 | Inner right front parking system distance sensor | 45D |
| B8/5 | Center right front parking system distance sensor | 44D |
| B8/6 | Outer right front parking system distance sensor | 44D |
| B8/7 | Outer right rear parking system distance sensor | 42D |
| B8/8 | Inner right rear parking system distance sensor | 42D |
| B8/9 | Inner left rear parking system distance sensor | 40D |
| B92/10 | Left outer rear bumper radar sensor | 18C |
| B92/12 | Short and long-range radar sensor | 11H |
| B92/7 | Right outer rear bumper radar sensor | 18C |
| CAN A | Telematics CAN | 23K |
| CAN B | Interior CAN | 17J |
| CAN C | Engine CAN | 7C |
| CAN C1 | Drive train CAN | 6E |
| CAN C1 | Drive train CAN | 6D |
| CAN H | Vehicle dynamics CAN | 12B |
| CAN HMI | User interface CAN | 11L |
| CAN HMI | User interface CAN | 17K |
| CAN LR | Steering wheel CAN | 24D |
| CAN S2 | Radar CAN 2 | 18E |
| Code 235 | Active Park Assist | 24A |
| Code 446 | Touchpad only | 34H |
| Code 446 | Touchpad only | 40J |
| Code 448 | Touchpad | 34F |
| Code P44 | Parking package | 24A |
| Flex E | Chassis FlexRay | 14H |
| Flex E | Chassis FlexRay | 14D |
| Flex E | Chassis FlexRay | 17G |
| Flex E | Chassis FlexRay | 17F |
| Flex E | Chassis FlexRay | 12D |
| Flex E | Chassis FlexRay | 11G |
| Flex E | Chassis FlexRay | 11C |
| Flex E | Chassis FlexRay | 11K |
| Flex E | Chassis FlexRay | 8H |
| Flex E | Chassis FlexRay | 17H |
| Flex E | Chassis FlexRay | 22C |
| H4/61 | Instrument cluster speaker | 2J |
| LIN A3 | LCP LIN | 39K |
| N10/6 | Front SAM control unit | 27F |
| N127 | Drivetrain control unit | 9C |
| N135 | Steering wheel electronics | 29C |
| N2/10 | Supplemental restraint system control unit | 10B |
| N3/10 | ME-SFI [ME] control unit | 3C |
| N3/9 | CDI control unit | 3A |
| N30/4 | Electronic Stability Program control unit | 14A |
| N49 | Steering wheel angle sensor | 23F |
| N62 | Parking system control unit | 26A |
| N62/4 | Mercedes-Benz Intelligent Drive control unit | 14F |
| N72 | Lower control panel | 41J |
| N72s19 | DYNAMIC SELECT switch | 40J |
| N73 | Electronic ignition switch control unit | 14K |
| N80 | Steering column module control unit | 21E |
| R61 | Radome heater | 9H |
| S163/1s15 | Variable speed limiter and Distance-Pilot button | 32C |
| S163/1s16 | Variable speed limiter and Distance-Pilot switch | 32C |
| S163/1s17 | Distance-Pilot switch | 32D |
| S163/1s19 | Cruise control resume switch | 32D |
| S4 | Combination switch | 19G |
| U1004 | Valid for engine 177 | 2E |
| U1035 | Valid for gasoline engine 279 | 2F |
| U1056 | Valid except code 446 (Touchpad only) | 34D |
| U1256 | Valid for engine 256 | 2E |
| U2176 | Valid for engine 176 | 2E |
| U391 | Valid for gasoline engine 276.8 | 2E |
| U397 | Valid for gasoline engine 277 | 1F |
| U409 | Valid for diesel engine 656 | 1C |
| U74 | Valid for diesel engines | 1A |
| U75 | Valid for gasoline engines | 1C |
| U880 | Valid for diesel engine 642 | 1B |
| U948 | Valid for diesel engine 651 | 1C |
| Y3/8n4 | Fully integrated transmission control control unit | 2G |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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