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Home >> Mercedes Benz >> 2007 >> CL550 >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Electrical System, Equipment & Instructions -- OEM Wiring Diagrams -- Cl550 -- 216 Chassis >> Wiring Diagrams >> Wiring diagram for upper control panel control unit - PE54.21-P-2119-97CAA

Wiring diagram for upper control panel control unit - PE54.21-P-2119-97CAA

Code: Designation: Position:
A0 Color code key 48L
A40/9 Front central operating unit 26L
A40/9s10 Freely programmable button 29L
A40/9s3 Hazard warning system button 27L
A40/9x1 Front central operating unit connector 25H
A70/1 Analog clock 23L
CAN B Interior CAN 12K
E13/1 Glove compartment lamp 6L
E17/15 Right front footwell lamp 8L
E17/16 Left front footwell lamp 10L
E43/1 Ambiance illumination LED 1 30L
E43/1 Ambiance illumination LED 1 37L
E43/2 Ambiance illumination LED 2 39L
E43/2 Ambiance illumination LED 2 32L
E43/3 Ambiance illumination LED 3 33L
E43/3 Ambiance illumination LED 3 42L
E43/4 Ambiance illumination LED 4 34L
E43/4 Ambiance illumination LED 4 44L
N10/1 Front SAM control unit with fuse and relay module 2L
N72/1 Upper control panel control unit 4A
N72/1 Upper control panel control unit 12A
N72/1 Upper control panel control unit 20A
N72/1 Upper control panel control unit 28A
N72/1 Upper control panel control unit 37A
N72/1 Upper control panel control unit 43A
N72/1e2 ATA [EDW] function indicator 25C
N72/1s30 STH/residual heat button 21C
N72/1s33 Left automatic air conditioning button 15C
N72/1s34 Left temperature selection button 16C
N72/1s35 Left blower button 17C
N72/1s36 Defrost/heated windshield button 18C
N72/1s37 Air recirculation button 19C
N72/1s38 OFF/residual heat button 20C
N72/1s39 Heated rear window button 22C
N72/1s40 Right blower button 23C
N72/1s41 Right temperature selection button 24C
N72/1s42 Right automatic air conditioning button 25C
S1 Rotary light switch 20L
S17/9 Glove compartment lamp switch 5L
S1e1 Front fog lamps indicator lamp 21J
S1e2 Rear fog lamp indicator lamp 20K
S1e3 Standing lamps indicator lamp 20J
S1s1 HCS [SRA] switch 20K
S1s9 Night vision assist button 19K
S6/2 Cockpit switch group 15L
S6/2e1 Automatic child seat recognition airbag OFF indicator lamp 16H
S6/2r1 Switch and controls illumination/Night View Assist display brightness control 14K
S6/2r2 COMAND display brightness control 16K
S6/2s10 Level adjustment switch 16H
S6/2s11 ESP OFF switch 16J
S6/2s12 PTS OFF switch 16J
S6/2s13 COMAND display swivel left switch 14K
S6/2s14 COMAND display swivel right switch 16K
U12 Valid for left-hand drive vehicles 7J
U12 Valid for left-hand drive vehicles 2E
U13 Valid for right-hand drive vehicles 7J
U13 Valid for right-hand drive vehicles 2F
U884 Valid for ambiance illumination 30A
U884 Valid for ambiance illumination 35A
W15 Power ground (electronics) 7L
W15 Power ground (electronics) 3H
W34 Ground (left footwell) 7L
W34 Ground (left footwell) 3H
X18 Cockpit wiring harness and FFS [RBA] connector 24F
X29/1 Glove compartment lamp connector 4H
X30/34 Interior CAN/cockpit voltage distributor connector 12L
Z6/30 Circuit 31 connector sleeve 7E
Z68/10 OBD LIN bus ground connector sleeve 18G
Z68/11 OBD LIN bus positive connector sleeve 19G
Z68/12 OBD LIN bus data connector sleeve 21G
Z7/90 Amber ambiance illumination connector sleeve 37G
Z7/91 IceBlue ambiance illumination connector sleeve 40G
Z7/92 Ambiance illumination ground connector sleeve 42E
Fig 1: Upper Control Panel Control Unit Wiring Diagram (1 Of 3)
G07638575Courtesy of MERCEDES-BENZ USA
Fig 2: Upper Control Panel Control Unit Wiring Diagram (2 Of 3)
G07638576Courtesy of MERCEDES-BENZ USA
Fig 3: Upper Control Panel Control Unit Wiring Diagram (3 Of 3)
G07638577Courtesy of MERCEDES-BENZ USA