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Home >> Mercedes Benz >> 2009 >> S550 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Door Control Unit & Power Windows - OEM Wiring Diagrams -- S-Class (221) >> Wiring Diagrams >> Wiring diagram for left front door control unit (DCU) - PE72.29-P-2101-99SAA

Wiring diagram for left front door control unit (DCU) - PE72.29-P-2101-99SAA

Code: Designation: Position:
A0 Explanation of color codes 56 L
A85 Left front door lock unit 46 K
B58 Driver door infrared sensor 42 L
E17/11 Left front door inside handle illumination 25 L
E17/19 Front left door warning lamp 22 L
E17/3 Left front door entrance and exit lamp 21 L
E17/43 Left front door trim strip illumination 24 L
F1/6 Right instrument panel fuse box 1 L
F1/6f80 Fuse 80 1 K
F1/7 Left instrument panel fuse box 3 L
F1/7f112 Fuse 112 3 K
M10/3 Left front power window motor 12 L
M21/1 Left electrically adjustable and heated exterior mirror 17 K
N10/1 Front SAM control module with fuse and relay module 8 L
N69/1 Left front door control module 4 A
N69/1 Left front door control module 12 A
N69/1 Left front door control module 20 A
N69/1 Left front door control module 28 A
N69/1 Left front door control module 36 A
N69/1 Left front door control module 44 A
S20/1 Driver power window, outside mirror and trunk lid switch group 28 L
S20/1s1 Left front power window switch 28 K
S20/1s10 Left/right outside mirror adjustment selection switch 27 L
S20/1s12 Outside mirror adjustment rocker switch 26 J
S20/1s2 Right front power window switch 28 J
S20/1s3 Left rear power window and side window roller blind switch 29 K
S20/1s4 Right rear power window and side window roller blind switch 29 J
S20/1s5 Rear side windows child safety lock switch 29 K
S20/1s6 Trunk lid open/close switch 29 J
S20/1s9 Exterior mirror fold-in/fold-out switch 27 J
S21/2 Front passenger power window switch 32 L
S22 Left front seat operation switch group 37 L
S22s1 Head restraint adjustment switch 35 K
S22s10 Left or right seat adjustment selection switch 38 K
S22s11 Seat ventilation switch 37 K
S22s12 Heated seat switch 38 K
S22s2 Seat cushion forward/back switch 36 K
S22s3 Fore/aft, height and inclination adjustment switch 36 L
S22s5 Backrest switch 35 K
S22s6 Memory store button switch 36 K
S22s7 Memory 1 switch 37 K
S22s8 Memory 2 switch 37 K
S22s9 Memory 3 switch 37 K
S85/5 Left Interior CL [ZV] switch 40 L
U12 Valid for left-hand steering 26 F
U12 Valid for left-hand steering 38 G
U13 Valid for right-hand steering 30 F
U177 Not valid for ambiance illumination 23 F
U887 Valid for power closing 47 F
U889 Valid for additional door lock 45 F
W34/1 Ground (electronics - left footwell) 2 G
X30/32 Left interior CAN/FFS [RBA] voltage distributor connector 5 L
X8/34 Left front door handle connector 41 H
Z5 Connector sleeve (solder joint in harness) 43 E
Fig 1: Left Front Door Control Unit (DCU) Electrical Wiring Diagram (1 Of 4)
G07586775Courtesy of MERCEDES-BENZ USA
Fig 2: Left Front Door Control Unit (DCU) Electrical Wiring Diagram (2 Of 4)
G07586776Courtesy of MERCEDES-BENZ USA
Fig 3: Left Front Door Control Unit (DCU) Electrical Wiring Diagram (3 Of 4)
G07586777Courtesy of MERCEDES-BENZ USA
Fig 4: Left Front Door Control Unit (DCU) Electrical Wiring Diagram (4 Of 4)
G07586778Courtesy of MERCEDES-BENZ USA