Mercedes-Benz R-class W251 facelift (2007-2010) interior rearview mirror unit Wiring diagrams

2 1 CAN-B L CAN-B H 2 4 11 1 10 17 3 12 9 8 PNK 30 31 DATA WIRE 31 DATA IL R IL L AUTOMATIC AMBIENT DIMMING LAMP MIRROR BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 41 FUSE 42 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY/BLU WIRE HANDS-FREE SYSTEM MICROPHONE GROUP HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT LEFT READING LAMP LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK 1 2 3 WIRE PNK/GRN WIRE RAIN/LIGHT SENSOR (CENTER FRONT OF ROOF) RED WIRE RIGHT READING LAMP YEL WIRE

12 11 2 1 (-) (+) (+) (-) 5 4 6 14 15 16 17 18 19 20 9 8 10 LL L GND TA LL R LL L 8 9 12 LL L LL R DATA AMBIENT LAMP BLU WIRE BRN WIRE BRN/RED WIRE CAN-B H CAN-B L 31 30 CIRCUIT 31 RIGHT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM DOOR CONTACT ON/OFF SWITCH FL (-) FL GND TA RE TA LI LL R GND TA FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) FUSE 26 RELAY BOX (RIGHT REAR OF CARGO AREA) FUSE 34 FUSE 41 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES BATTERY COMPARTMENT PREFUSE BOX FUSE 88 INTERIOR REARVIEW MIRROR UNIT LEFT DOME LAMP LEFT FRONT FOOTWELL LAMP LEFT FRONT VANITY ILLUMINATION SWITCH LEFT INTERIOR LAMP LEFT READING LAMP LEFT READING LAMP SWITCH LEFT REAR FOOTWELL LAMP LEFT SUN VISOR W/ ILLUMINATED MIRROR LOAD COMPARTMENT FUSE, NCA WIRE OVERHEAD CONTROL PANEL MODULE READING LAMP REAR DOME LAMP, SWITCH RED WIRE RIGHT DOME LAMP 35 36 CAN-B L CAN-B H RIGHT FRONT FOOTWELL LAMP RIGHT FRONT VANITY ILLUMINATION SWITCH RIGHT INTERIOR LAMP RIGHT READING LAMP RIGHT READING LAMP LEFT READING LAMP RIGHT READING LAMP SWITCH RIGHT REAR FOOTWELL LAMP RIGHT SUN VISOR W/ ILLUMINATED MIRROR ROW INTERIOR LAMP SWITCH W/ INTERIOR LIGHT PACKAGE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 (-) (+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PNK 30 31 31 WIRE 1 2 3 4 5 CAN-B H CAN-B L 31 30 30 AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DOOR CONTACT ON/OFF SWITCH EDW FL GND TA RE TA LI FUSE 41 (RIGHT REAR OF CARGO AREA) FUSE 42 GARAGE DOOR OPENER INDICATOR LAMP GARAGE DOOR OPENER TRANSMITTER UNIT GND LL L TA GND LL R TA (+) (-) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE H (+) H SIG 1 H SIG 2 H (-) HANDS-FREE SYSTEM MICROPHONE GROUP HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT L/D LEFT INTERIOR LAMP LEFT READING LAMP LEFT READING LAMP SWITCH LL L LL R 31 DATA DATA LL R LL L LOAD COMPARTMENT FUSE, RELAY BOX NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK 1 2 3 WIRE PNK/GRN WIRE POWER TOPS SYSTEM RAIN/LIGHT SENSOR (CENTER FRONT OF ROOF) REAR DOME LAMP, SWITCH RED WIRE RIGHT INTERIOR LAMP RIGHT READING LAMP RIGHT READING LAMP SWITCH ROOF SWITCH ROW INTERIOR LAMP SWITCH VIO WIRE VIO/GRY WIRE VIO/WHT WIRE YEL WIRE YEL/GRY WIRE