Mercedes-Benz S-class W221 (2005-2009) interior rearview mirror unit Wiring diagrams

1 2 3 4 AIS SER 12 6 CAN-B H CAN-B L 14 13 CAN-B L CAN-B H 31 LL HR 31 9 3 FRB-VR FRB-VL BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM DATA EXTERIOR LAMP SWITCH FOG LAMP IND LAMP FUSE 129 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE SUPPLY CONTROL UNIT ILLUMINATION INTERIOR REARVIEW MIRROR UNIT LAMP LEFT FRONT FOOTWELL LAMP LEFT READING LAMP LEFT REAR DOME LAMP LEFT REAR VANITY MIRROR ILLUMINATION LEFT TRUNK LAMP LEFT TRUNK LID AMBIENT, WARNING LAMP LL HL NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) RAIN/LIGHT SENSOR REAR FOG LAMP IND REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RIGHT AMBIENT READING LAMP LAMP RIGHT FRONT FOOTWELL LAMP RIGHT FRONT VANITY MIRROR ILLUMINATION RIGHT FRONT VANITY MIRROR ILLUMINATION SWITCH RIGHT REAR DOME LAMP RIGHT REAR VANITY MIRROR RIGHT TRUNK LAMP RIGHT TRUNK LID AMBIENT, WARNING LAMP UPPER CONTROL PANEL CONTROL MODULE VEHICLE POWER YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 (W/ FRONT ROLLER SUN BLIND) (W/ FRONT ROLLER SUN BLIND) 31 30 1 2 3 4 5 6 7 8 9 10 11 12 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 1 2 3 4 5 6 7 8 ALS SER 1 2 3 4 5 6 7 8 MOTOR + MOTOR - HS 1 HS 2 HS UB 31 1 2 3 4 5 6 7 8 MOTOR + MOTOR - HS 2 HS UB HS 1 31 1 2 3 4 5 CAN-B L 31 LL HR 31 DATA 30 31 AMBIENT LAMP AUTOMATIC DIMMING MIRROR BACK AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR SENSOR BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN-B H 31 30 COMPUTER DATA LINES SYSTEM DOOR CONTACT ON/OFF SWITCH ELECTRIC PARKING BRAKE SWITCH EMERGENCY CALL SYSTEM CONTROL UNIT FLAT WIRE FLAT WIRE FLAT WIRE 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FORWARD AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR SENSOR FRONT DOME LAMP FRONT DOME LAMP SWITCH FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 126 FUSE 129 W/ FUSE, RELAY MODULE GARAGE DOOR OPENER INDICATOR LAMP GARAGE DOOR OPENER PUSHBUTTON 1 GARAGE DOOR OPENER PUSHBUTTON 2 GARAGE DOOR OPENER PUSHBUTTON 3 GARAGE DOOR OPENER TRANSMITTER UNIT GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT LEFT FRONT READING LAMP SWITCH LEFT READING LAMP LL HR MB-INFO, TELEDIAGNOSIS BUTTON GROUP NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) POWER TOPS SYSTEM RAIN/LIGHT SENSOR REAR DOME LAMP, SWITCH REAR ROLLER SUN BLIND SWITCH REAR SAM CONTROL MODULE RED WIRE RIGHT FRONT READING LAMP SWITCH RIGHT READING LAMP ROOF SWITCH SOS PUSHBUTTON SWITCH VIO WIRE YEL WIRE YEL/GRN WIRE YEL/PNK WIRE

1 2 3 4 7 AIS SER 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE 5 4 3 1 30 31 CAN-B H CAN-B L 6 7 8 FLAT WIRE FLAT WIRE FLAT WIRE 31 DATA 30 AMBIENT LIGHT BACK FORWARD AUTOMATIC AUTOMATIC DIMMING DIMMING SENSOR SENSOR BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 126 GARAGE DOOR OPENER INDICATOR LAMP GARAGE DOOR OPENER PUSHBUTTON 1 GARAGE DOOR OPENER PUSHBUTTON 2 GARAGE DOOR OPENER PUSHBUTTON 3 GARAGE DOOR OPENER TRANSMITTER UNIT GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT LEFT AUTOMATIC READING DIMMING LAMP MIRROR OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) RAIN/LIGHT SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RIGHT READING LAMP YEL WIRE