Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015) left front seat adjustment switch group (w/ fully electric seat adjustment) Wiring diagrams

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 1 2 CAN B L CAN B H 31 HS(+) HS(-) HS(+) 31 SIG MOT+ MOT- BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTROL UNIT (IN DRIVER FRONT SEAT BACK) DRIVER SEAT BACKREST INCLI- NATION ADJUST- MENT MOTOR (IN DRIVER'S SEAT BACK) DRIVER SEAT CONTROL UNIT (UNDER DRIVER'S SEAT) DRIVER SEAT EASY-ENTRY SYSTEM LIMIT SWITCH (IF EQUIPPED) DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR (IN DRIVER FRONT SEAT BACK) DRIVER SEAT HEIGHT ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT INCLINATION ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT LUMBAR SUPPORT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HV_MOT+ NV_MOT- NV_MOT+ LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) LV_MOT- LV_MOT+ HV_MOT- MLS H MLS V CAN-B L MLS CAN-B H RED WIRE RED/BLU WIRE RED/YEL WIRE STEERING COLUMN MEMORY CIRCUIT VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

10 7 9 8 4 5 3 6 (+) SIG 31 SIG 33 33 LED LED 2 1 5 4 CAN B H CAN B L 30 31 3 6 5 4 8 9 7 10 LED LED 33 33 SIG 31 SIG (+) 31 SIG. SH(+) SH(-) 31 5 6 7 8 2 1 4 3 10 LED 31 9 10 3 4 8 7 6 5 (+) 31 SH(-) SH(+) AUTOMATIC DIMMING MIRROR (IF EQUIPPED) MIRROR LAMP HEATER BLK WIRE BLK/WHT WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP GRN WIRE HORI MOTOR HORI POTENTI- OMETER HORI POTENTIOMETER LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR (IF EQUIPPED) LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) LEFT OUT SIDE MIRROR TURN SIGNAL LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH NCA WIRE OF RIGHT FRONT DOOR) (GLK-CLASS: RIGHT FRONT DOOR ASSEMBLY) OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/ FOLD OUT ELECTRIC MIRROR (IF EQUIPPED) OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH (IF EQUIPPED) PNK WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR (IF EQUIPPED) RIGHT FRONT DOOR CONTROL UNIT (C-CLASS: REAR RIGHT OUT SIDE MIRROR MIRROR HEATER TURN SIGNAL LAMP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH VERT MOTOR VERT POTEN- TIO- METER VERT POTENTIOMETER

1 2 COMPUTER DATA LINES SYSTEM CAN-B L CAN-B H 10 5 7 12 13 3 6 11 4 31 CAN-B L CAN-B H HS(-) HS(+) MLS H MLS HS(+) MLS V 2 1 CAN-E H CAN-E L BLU WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE RESUME CONTROL FROM LEVER MEMORY SWITCH DRIVER SEAT CONTROL UNIT (UNDER DRIVER'S SEAT) GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) RED/BLU WIRE RED/YEL WIRE STEERING COLUMN ADJUSTMENT SWITCH YEL/BLK WIRE YEL/BLU WIRE