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Home >> Mercedes Benz >> 2016 >> C300 Base >> Repair and Diagnosis >> Body & Frame >> Seats >> Seats, Bunks, Restraint Systems - 205 Chassis (4D Sedan) - 1 Of 2 >> Wiring Diagrams >> Electrical function schematic, pre-safe >> Electrical function schematic, pre-safe - PE91.40-P-2051-97FBA

Electrical function schematic, pre-safe - PE91.40-P-2051-97FBA

Code: Designation: Position:
1 Circuit 15, status 10F
10 PRE-SAFE® system stage, request 14G
10 PRE-SAFE® system stage, request 18C
11 Crash, signal 21B
12 Belt adjustment, status 18B
13 Front passenger seat occupied recognition, status 29G
13 Front passenger seat occupied recognition, status 18E
14 Adjust PRE-SAFE®, request 13J
14 Adjust PRE-SAFE®, request 15J
14 Adjust PRE-SAFE®, request 28E
14 Adjust PRE-SAFE®, request 31E
14 Adjust PRE-SAFE®, request 29G
15 PRE-SAFE® fault, message 11B
2 Drivetrain operational, signal 3H
2 Drivetrain operational, signal 8G
3 Engine running, signal 3H
3 Engine running, signal 7G
4 Autonomous brake application, signal 8F
5 Collision-critical warning, status 7F
6 Relative speed to opposing object, signal 7F
7 ESP®, status 15E
7 ESP®, status 11F
8 Seat belt buckle switch, status 20B
8 Seat belt buckle switch, status 25B
8 Seat belt buckle switch, status 29G
8 Seat belt buckle switch, status 18E
9 PRE-SAFE®, status 12J
9 PRE-SAFE®, status 15G
9 PRE-SAFE®, status 29G
9 PRE-SAFE®, status 30E
9 PRE-SAFE®, status 27E
9 PRE-SAFE®, status 19C
A1 Instrument cluster 11C
A1p13 Multifunction display 9B
A26/17 Head unit 14B
A76 Left front reversible emergency tensioning retractor 19B
A76/1 Right front reversible emergency tensioning retractor 19B
A98/1 Sliding roof control module 14K
A98n1 Panoramic sliding roof control unit 11K
CAN B Interior CAN 23F
CAN B Interior CAN 23G
CAN B Interior CAN 23F
CAN B Interior CAN 12H
CAN C1 Drive train CAN 4H
CAN HMI User interface CAN 20E
CAN HMI User interface CAN 17D
CAN HMI User interface CAN 21B
CAN HMI User interface CAN 17C
CAN HMI User interface CAN 15A
CAN HMI User interface CAN 12F
Code 23P Driver assistance package 5C
Code 242 All-electric front passenger seat with memory (right) 27H
Code 413 Panoramic sliding sunroof 10J
Code 414 Sliding roof 12J
Flex E Chassis FlexRay 12G
Flex E Chassis FlexRay 6G
Flex E Chassis FlexRay 6E
N127 Drivetrain control unit 4F
N2/10 Supplemental restraint system control unit 23B
N3/10 ME-SFI [ME] control unit 2K
N3/9 CDI control unit 6K
N30/4 Electronic Stability Program control unit 9E
N32/2 Front passenger seat control unit 28J
N62/1 Radar sensors control unit 6C
N69/1 Left front door control unit 27B
N69/2 Right front door control unit 27B
N69/3 Left rear door control unit 30B
N69/4 Right rear door control unit 30B
N73 Electronic ignition switch control unit 16E
S68/3 Driver seat belt buckle switch 25C
S68/4 Front passenger seat belt buckle switch 25C
U1018 Valid for gasoline engine 276 1L
U1253 Valid for model 253 29A
U2050 Valid for model 205.0 29B
U2051 Valid for model 205.1 29B
U2052 Valid for model 205.2 29B
U362 Valid for gasoline engine 274 1L
U39 Valid for gasoline engine 177 1L
U406 Valid for diesel engine 626 4L
U561 Valid for Delphi system 5L
U562 Valid for Bosch system 5L
U948 Valid for diesel engine 651 4L
U948 Valid for diesel engine 651 4L
U978 Valid for hybrid drive 5L
Fig 1: Pre-Safe - Electrical Function Schematic (1 Of 2)
G10135264Courtesy of MERCEDES-BENZ USA
Fig 2: Pre-Safe - Electrical Function Schematic (2 Of 2)
G10135265Courtesy of MERCEDES-BENZ USA