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Home >> Mercedes Benz >> 2020 >> S450 Base >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Frame, Trailer Operation - 222 Chassis >> Wiring Diagrams >> Trailer Recognition Control Unit Wiring Diagram >> Trailer Recognition Control Unit Wiring Diagram - PE31.19-P-2101-97SEA

Trailer Recognition Control Unit Wiring Diagram - PE31.19-P-2101-97SEA

Model 222 up to 2/28/14 up to model year 2018 with code 550 (Trailer coupling) Control unit N28/1 

Code: Designation: Position:
A0 Use of wiring diagrams 40L
A63 Trailer hitch release 20L
K40/5 Rear fuse and relay module 11L
K40/5 Rear fuse and relay module 32L
K40/5f417 Fuse 417 7L
K40/5f428 Fuse 428 10L
K40/5f451 Fuse 451 31L
K40/5f464 Fuse 464 8L
K40/5f473 Fuse 473 6L
N10/8 Rear SAM control unit 3L
N28/1 Trailer recognition control unit 4A
N28/1 Trailer recognition control unit 12A
N28/1 Trailer recognition control unit 25A
N28/1 Trailer recognition control unit 20A
S143/3 Trailer hitch switch 15L
W7/1 Right tail lamp trunk ground point 16H
W7/1 Right tail lamp trunk ground point 4E
W7/1 Right tail lamp trunk ground point 29L
X58 Trailer socket 24L
X58/33 Vehicle interior/trailer hitch electrical connector 28H
G15400891Courtesy of MERCEDES-BENZ USA
G15400892Courtesy of MERCEDES-BENZ USA
G15400893Courtesy of MERCEDES-BENZ USA