Mercedes-Benz R-class W251 facelift (2007-2010) emergency call system control unit (if equipped) Wiring diagrams

3.5L AC RECIRCULATION UNIT BATTERY BATTERY COMPARTMENT PREFUSE BOX (UNDER RIGHT BLK WIRE BLU WIRE BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER BRN WIRE CIRCUIT CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTION CONNECTOR CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COCKPIT PREFUSE BOX EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FRONT CIGAR LIGHTER (IN LEFT REAR (W/ ASHTRAY FOOTWELL) ILLUMINATION) FRONT SAM CONTROL MODULE FRONT SAM CONTROL UNIT FRONT SEAT) FUEL PUMP CONTROL MODULE (3.5L) FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 (BEHIND RIGHT END OF DASH) FUSE 46 FUSE 50 FUSE 52 FUSE 53 FUSE 54 FUSE 56 FUSE 59 FUSE 55 FUSE 60 FUSE 61 RELAY FUSE 62 FUSE 63 FUSE 79 FUSE 80 FUSE 78 FUSE 82 FUSE 81 FUSE 83 FUSE 84 FUSE 85 FUSE 86 FUSE 87 FUSE 90 FUSE 89 FUSE 88 FUSE 91 GLOVE COMPARTMENT ILLUMINATION SWITCH GRY WIRE HEADLAMP RANGE ADJUSTMENT CONTROL MODULE (W/ XENON HEADLAMPS) ILL INSTRUMENT CLUSTER LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) PNK WIRE PTC REAR SAM HEATER CONTROL BOOSTER MODULE (W/ HEATER BOOSTER) REAR SAM CONTROL MODULE REAR WIPER RELAY RED WIRE RELAY RESTRAINT REAR SAM CONTROL SYSTEMS MODULE CONTROL MODULE RESTRAINT SYSTEMS CONTROL MODULE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) SOCKET CIRCUIT STEERING COLUMN MODULE TAILGATE WIPER MOTOR TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 3 OF 3) TO ENGINE COMPARTMENT FUSE, RELAY BOX (DIAGRAM 3 OF 3) TO FRONT PREFUSE (DIAGRAM 3 OF 3) TO FUSE 48 (DIAGRAM 2 OF 3) UPPER CD CHANGER CONTROL PANEL CONTROL MODULE VIO WIRE W/ INTERIOR LIGHT PACKAGE W/O INTERIOR LIGHT PACKAGE WHT WIRE WIPER ON/OFF RELAY WSS CONTROL UNIT (WEIGHT SENSING SYSTEM) YEL WIRE

AMPLIFIER FOR SOUND SYSTEM BACKUP CAMERA VOLTAGE SUPPLY MODULE (W/ BACK-UP CAMERA) BLK WIRE BLU WIRE BRN WIRE CARGO AREA SOCKET CENTRAL GATEWAY CONTROL MODULE DATA LINK CONNECTOR DIGRAM EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) FROM FUSE 36 DIAGRAM FUSE 32 FROM SOCKET CIRCUIT FROM SPARE 2 RELAY (DIAGRAM 2 OF 3) FRONT INTERIOR SOCKET (USA) FUEL PUMP CONTROL MODULE (3.5L) FUEL PUMP MODULE RELAY FUSE FUSE 21 FUSE 23 FUSE 34 FUSE 26 FUSE 24 FUSE 22 FUSE 27 FUSE 28 FUSE 29 FUSE 40 FUSE 31 FUSE 33 FUSE 25 FUSE 39 FUSE 35 FUSE 36 FUSE 37 FUSE 42 FUSE 41 FUSE 20 FUSE 43 FUSE 44 FUSE 48 FUSE 58 FUSE 66 FUSE 67 FUSE 30 FUSE 69 FUSE 70 FUSE 68 GRY WIRE HS (SIH), SEAT VENTILATION, STEERING WHEEL HEATER CONTROL UNIT (IF EQUIPPED) INTERFERENCE FILTER 1 OVERHEAD CONTROL PANEL MODULE PNK WIRE PTS CONTROL MODULE (IF EQUIPPED) REAR AIR CONDITIONING BLOWER MOTOR (IF EQUIPPED) REAR SAM CONTROL MODULE REAR WINDOW DEFROSTER RELAY RED WIRE RELAY RIGHT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) ROW SOCKET SOCKET (DIAGRAM 3 OF 3) SPARE 1 RELAY (CHANGEOVER CONTACT) SPARE 2 RELAY TO FUSE 32 (DIGRAM (2 OF 3) TO FUSE 69 (DIGRAM (2 OF 3) TPM CONTROL MODULE (IF EQUIPPED) TRAILER CIRCUIT TRAILER CIRCUIT 30 RELAY VOICE CONTROL SYSTEM (VCS (SBS)) CONTROL UNIT WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/YEL WIRE DRIVER BELT FORCE LIMITER DRIVER BUCKLE ETR SQUIB DRIVER NECK-PRO HEAD RESTRAINT SOLENOID EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) ETR SQUIB FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER BUCKLE ETR SQUIB FRONT PASSENGER NECK-PRO HEAD RESTRAINT SOLENOID GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE LEFT LEFT REAR DOOR PRESSURE SENSOR LEFT WINDOW AIRBAG SQUIB NCA WIRE PNK WIRE RIGHT RIGHT REAR DOOR PRESSURE SENSOR RIGHT WINDOW AIRBAG SQUIB VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE