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Electrical function diagram for Pre-Safe system - PE91.40-U-2051-97SAB

Code: Designation: Position:
1 Front seat belt buckle switches, status 8E
1 Front seat belt buckle switches, status 13F
1 Front seat belt buckle switches, status 22C
1 Front seat belt buckle switches, status  
1 Front seat belt buckle switches, status  
10 WSS (Weight Sensing System) sensor, signal 33B
11 Cockpit switch group, signal 9H
11 Cockpit switch group, signal  
11 Cockpit switch group, signal  
11 Cockpit switch group, signal  
12 Seat occupied recognition pressure sensor, signal 37B
13 Close range radar sensors, signal 4J
2 Front passenger seat occupation, status 16F
2 Front passenger seat occupation, status 22D
3 PRE-SAFEA® fault, message 14E
3 PRE-SAFEA® fault, message  
4 PRE-SAFEA® brake, request 6K
5 PRE-SAFEA® triggering, request 13G
5 PRE-SAFEA® triggering, request 6B
5 PRE-SAFEA® triggering, request 22D
5 PRE-SAFEA® triggering, request 34H
5 PRE-SAFEA® triggering, request 25D
5 PRE-SAFEA® triggering, request  
5 PRE-SAFEA® triggering, request  
5 PRE-SAFEA® triggering, request  
5 PRE-SAFEA® triggering, request  
5 PRE-SAFEA® triggering, request  
6 DTR controller unit, signal  
7 Yaw rate, lateral and longitudinal acceleration sensor, signal 9J
8 Circuit 15, status  
9 Rear seat belt buckle switch, status 16F
9 Rear seat belt buckle switch, status 25D
9 Rear seat belt buckle switch, status 28B
A1 Instrument cluster 15J
A76 Left front reversible emergency tensioning retractor 7A
A76/1 Right front reversible emergency tensioning retractor 7A
A8/1 Transmitter key 14A
A86/1b1 Left outer radar sensor, front bumper 2A
A86/1b2 Left inner radar sensor, front bumper 2B
A86/1b3 Right inner radar sensor, front bumper 2B
A86/1b4 Right outer radar sensor, front bumper 2B
A89 DTR control unit 2E
B24/15 Yaw rate, lateral and longitudinal acceleration sensor 11J
B48/11 Left front WSS (Weight Sensing System) sensor 35A
B48/12 Right front WSS (Weight Sensing System) sensor 35B
B48/13 Left rear WSS (Weight Sensing System) sensor 35B
B48/14 Right rear WSS (Weight Sensing System) sensor 35B
B48/4 Seat occupied recognition pressure sensor 39B
CAN B Interior CAN 20G
CAN B Interior CAN 20G
CAN B Interior CAN 20E
CAN B Interior CAN 20E
CAN B Interior CAN 20F
CAN B Interior CAN 14D
CAN B Interior CAN 28G
CAN B Interior CAN 28G
CAN B Interior CAN 28F
CAN B Interior CAN 16D
CAN E Chassis CAN 11F
CAN E Chassis CAN 7H
CAN E Chassis CAN 5K
CAN E Chassis CAN 11G
CAN E Chassis CAN 7D
CAN E Chassis CAN 5F
CAN E Chassis CAN 11C
CAN F Central CAN 15H
CAN F Central CAN 14H
CAN H Vehicle dynamics CAN 2H
CAN H Vehicle dynamics CAN 10K
CAN I Drive train sensor CAN 4F
Code 223 Rear bench seat with electrically adjustable outer seats with PRE-SAFE positioning function for outer seats and outer head restraints 23A
Code 233 DISTRONIC PLUS 1E
Code 406 Multicontour seats in rear 32J
Code 409 Left and right front multicontour seats 26J
Code 432 Left and right front dynamic multicontour seats 29J
Code 494 USA version 31A
Code 494 USA version 36A
LIN 1 Instrument panel LIN 19B
N10/2 Rear SAM control unit with fuse and relay module 30A
N110 Weight Sensing System (WSS) control unit 36B
N2/13 WSS (Weight Sensing System) control unit 32B
N2/7 Restraint systems control unit 7E
N25/6 Rear seats control unit 24B
N32/15 Left front multicontour backrest control unit 27J
N32/16 Right front multicontour backrest control unit 27J
N32/19 Left front dynamic seat control unit 30J
N32/2 Right front seat control unit 21A
N32/20 Left rear multicontour backrest control unit 34J
N32/21 Right rear multicontour backrest control unit 34J
N32/22 Right front dynamic seat control unit 30J
N47-5 ESP control unit 7J
N62/1 Radar sensors control unit (SGR) 2J
N69/1 Left front door control unit 18J
N69/2 Right front door control unit 21J
N69/3 Rear left door control unit 18J
N69/4 Right rear door control unit 21J
N70 Overhead control panel control unit 24J
N72/1 Upper control panel control unit 17A
N73 EIS [EZS] control unit 13A
N93 Central gateway control unit 15E
S6/2 Cockpit switch group 19C
S6/2s11 ESP OFF switch 19C
S68/1 Driver seat belt buckle and seat belt warning switch 9D
S68/11 Left rear seat belt buckle switch 27B
S68/12 Right rear seat belt buckle switch 27B
S68/2 Front passenger seat belt buckle and seat belt warning switch 9D
Fig 1: Pre-Safe System - Electrical Function Diagram (1 Of 3)
G10129987Courtesy of MERCEDES-BENZ USA
Fig 2: Pre-Safe System - Electrical Function Diagram (2 Of 3)
G10129988Courtesy of MERCEDES-BENZ USA
Fig 3: Pre-Safe System - Electrical Function Diagram (3 Of 3)
G10129989Courtesy of MERCEDES-BENZ USA