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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Seats, Bunks, Restraint Systems - 177 Chassis (2 Of 2) >> Wiring Diagrams >> Trigger Preventive Occupant Protection System, Function Schematic >> (Trigger Preventive Occupant Protection System, Function Schematic - PE91.40-P-2500-97D)
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(Trigger Preventive Occupant Protection System, Function Schematic - PE91.40-P-2500-97D)

Model 213, 238, 257, 290 as of model year 2021 

Code: Designation: Position:
1 Driver assistance system, status 20A
1 Driver assistance system, status 20C
1 Driver assistance system, status 20E
10 Reduce seat belt slack, request 13H
10 Reduce seat belt slack, request 27G
10 Reduce seat belt slack, request 35J
11 Seat belt buckle switch, status 35K
11 Seat belt buckle switch, status 35D
11 Seat belt buckle switch, status 35C
11 Seat belt buckle switch, status 27J
12 Belt adjustment, status 13J
12 Belt adjustment, status 43B
12 Belt adjustment, status 42J
13 Front passenger seat occupation, status 35K
13 Front passenger seat occupation, status 35C
13 Front passenger seat occupation, status 27J
14 PRE-SAFE®, status 27E
14 PRE-SAFE®, status 34J
14 PRE-SAFE®, status 36G
14 PRE-SAFE®, status 47F
14 PRE-SAFE®, status 34D
14 PRE-SAFE®, status 34C
14 PRE-SAFE®, status 42B
15 Adjust PRE-SAFE®, request 26E
15 Adjust PRE-SAFE®, request 35G
15 Adjust PRE-SAFE®, request 47F
15 Adjust PRE-SAFE®, request 34D
15 Adjust PRE-SAFE®, request 34C
16 PRE-SAFE® system stage, request 26E
16 PRE-SAFE® system stage, request 33J
17 PRE-SAFE® Sound, request 25E
17 PRE-SAFE® Sound, request 42B
18 Instrument cluster message, request 45K
18 Instrument cluster message, request 25E
18 Instrument cluster message, request 45H
19 Image data, signal 51K
2 Steering wheel angle, signal 20F
20 Instrument cluster, message 51K
21 Crash, signal 34K
21 Crash, signal 26J
22 Battery thermal runaway, request 26G
22 Battery thermal runaway, request 35G
22 Battery thermal runaway, request 46F
22 Battery thermal runaway, request 53B
3 Steering wheel velocity, signal 20F
4 Engine running, signal 14G
4 Engine running, signal 27G
4 Engine running, signal 35J
5 Drivetrain operational, signal 27G
5 Drivetrain operational, signal 35J
6 Circuit 15, status 20H
7 ESP® mode, request 14H
7 ESP® mode, request 20H
8 Transmission mode, request 13H
8 Transmission mode, request 19H
9 Speed, turn rate and lateral acceleration, signal 19J
9 Speed, turn rate and lateral acceleration, signal 27E
A108 Active Brake Assist controller unit 2A
A108/1 Active Distance Assist DISTRONIC electric controller unit 2D
A26/17 Head unit 2K
A26/17 Head unit 43B
A40/16 Head unit/instrument cluster display cluster 53L
A76 Left front reversible emergency tensioning retractor 36K
A76/1 Right front reversible emergency tensioning retractor 36K
A98 Panoramic sliding sunroof control module 48F
A98/1 Sliding roof control module 48H
CAN B Interior CAN 32C
CAN B Interior CAN 32E
CAN B Interior CAN 32G
CAN B Interior CAN 32H
CAN B Interior CAN 43G
CAN B Interior CAN 32A
CAN B Interior CAN 39A
CAN B Interior CAN 48A
CAN C Engine CAN 12H
CAN HMI User interface CAN 12J
CAN HMI User interface CAN 12K
CAN HMI User interface CAN 12L
CAN HMI User interface CAN 32K
CAN HMI User interface CAN 42L
CAN HMI User interface CAN 26L
CAN HMI User interface CAN 26K
CAN HMI User interface CAN 32L
CAN HMI User interface CAN 19L
CAN HMI User interface CAN 19K
CAN HMI User interface CAN 40K
CAN HMI2 User interface CAN 2 12J
CAN HMI2 User interface CAN 2 32J
CAN HMI2 User interface CAN 2 32B
CAN HMI2 User interface CAN 2 41B
CAN HMI2 User interface CAN 2 43J
Code 233 DISTRONIC PLUS 2E
Code 239 Active Distance Assist DISTRONIC 2C
Code 258 Collision Prevention Assist PLUS (CPA+) 2A
Code 275 Memory package 35C
Code 399 Front multicontour seats with massage function 35D
Code 406 Multicontour seats in rear 35E
Code 413 Panoramic sliding sunroof 48F
Code 414 Sliding roof 48H
Code B01 48V technology 24G
Code B01 48V technology 33G
Code B01 48V technology 45F
Code B01 48V technology 51B
Code F213 Model series 213 48G
Code F213 Model series 213 48E
Code F238 Model series 238 48F
Code F257 MODEL SERIES 257 48G
Code F290 Model series 290 48G
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 24G
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 33G
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 45F
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 51B
Flex E Chassis FlexRay 12B
Flex E Chassis FlexRay 19H
Flex E Chassis FlexRay 19B
Flex E Chassis FlexRay 19D
Flex E Chassis FlexRay 12D
Flex E Chassis FlexRay 12E
Flex E Chassis FlexRay 19E
Flex E Chassis FlexRay 19F
Flex E Chassis FlexRay 12F
Flex E Chassis FlexRay 19J
Flex E Chassis FlexRay 26E
Flex E Chassis FlexRay 23H
HSVL High-speed video link 49K
N127 Drivetrain control unit 14H
N133/1 Instrument cluster control unit 46L
N2/10 Supplemental restraint system control unit 7K
N22/1 Climate control, control unit 50D
N3/10 ME-SFI [ME] control unit 2H
N3/9 CDI control unit 2H
N30/4 Electronic Stability Program control unit 22F
N32/15 Left front multicontour seat control unit 36D
N32/16 Right front multicontour seat control unit 36E
N32/2 Front passenger seat control unit 36C
N32/20 Left rear multicontour seat control unit 36E
N32/21 Right rear multicontour seat control unit 36F
N62/4 Mercedes-Benz Intelligent Drive control unit 2E
N69/1 Left front door control unit 36G
N69/2 Right front door control unit 36G
N69/3 Left rear door control unit 36H
N69/4 Right rear door control unit 36H
N73 Electronic ignition switch control unit 14J
N73 Electronic ignition switch control unit 28H
N73 Electronic ignition switch control unit 43K
N80 Steering column module control unit 2G
G15075210Courtesy of MERCEDES-BENZ USA
G15075211Courtesy of MERCEDES-BENZ USA
G15075212Courtesy of MERCEDES-BENZ USA