Mercedes-Benz S-class W220 (1998–2005) wiring diagrams

List of systems:

List of components:

COMBINATION SWITCH COMFORT, SPORT SWITCH CRUISE CONTROL SWITCH DRIVER SIDE POWER WINDOW SWITCH GROUP DYNAMIC LUMBAR ADJUSTMENT SWITCH ENGINE COOLANT LEVEL SWITCH ERGONOMY SWITCH ESC IN/OUT ASSIST SWITCH GROUP ESP UNLOCK OFF CL SWITCH INTERNAL SWITCH EXTERIOR LAMP SWITCH HAZARD SWITCH HAZARD WARNING SWITCH HEAD RESTRAINT HEIGHT/LOWER ADJUSTMENT SWITCH HEADLAMP CLEANING SWITCH HEADLAMP FLASHER/ HIGH BEAM SWITCH INTERIOR CENTRAL LOCKING SYSTEM SWITCH, HAZARD WARNING SYSTEM SWITCH INTERLOCK SWITCH LEFT FANFARE HORN SWITCH LEFT FRONT DOOR SWITCH LEFT FRONT LEFT FRONT VANITY MIRROR VANITY ILLUMINATION MIRROR LAMP SWITCH LEFT FRONT MULTI-CONTOUR BACKREST SWITCH LEFT FRONT SEAT BELT BUCKLE RESTRAINTS SYSTEM SWITCH LEFT REAR DOOR SWITCH LEFT REAR MULTI-CONTOUR BACKREST SWITCH LEFT REAR POWER WINDOW SWITCH LEFT REAR SEAT BELT BUCKLE/BELT COMFORT FEATURE SWITCH LEFT REAR WINDOW SWITCH LEVEL LOCK CL ADJUSTMENT INTERIOR SWITCH SWITCH, ATA IND LOW BEAM SWITCH LUMBAR ADJUSTMENT SWITCH MEMORY SWITCH/ MEMORY 1/ MEMORY 2/ OUTSIDE REARVIEW MIRROR SWITCH PASSENGER-SIDE POWER WINDOW SWITCH PTS ON/OFF SWITCH READING LAMP SWITCH READING VANITY LAMP MIRROR SWITCH LAMP SWITCH REAR HEADREST SWITCH REAR PTS BLIND OFF SWITCH SWITCH REAR SUNSHADE SWITCH REAR WINDOW DEFROSTER SWITCH CAN-B L CAN-B H RELEASE SWITCH RIGHT FANFARE HORN SWITCH RIGHT FRONT DOOR SWITCH RIGHT FRONT MULTI-CONTOUR BACKREST SWITCH RIGHT FRONT POWER WINDOW SWITCH RIGHT FRONT SEAT BELT BUCKLE RESTRAINTS SYSTEM SWITCH RIGHT FRONT VANITY MIRROR ILLUMINATION SWITCH RIGHT FRONT WINDOW SWITCH RIGHT REAR DOOR SWITCH RIGHT REAR MULTI-CONTOUR BACKREST SWITCH RIGHT REAR POWER WINDOW SWITCH RIGHT REAR SEAT BELT BUCKLE/BELT COMFORT FEATURE SWITCH RIGHT REAR WINDOW SWITCH SIDE PAD ADJUST SWITCH SR SWITCH STEERING COLUMN DRIVING POSITION SWITCH STOP LAMP SWITCH SWITCH RELEASE TRUNK SWITCH WINDOW SAFETY REAR POWER TRANSMISSION MODE SWITCH TRANSMISSION MODE SWITCH 2 TRUNK LID CLOSING ASSIST MICRO- SWITCH TRUNK LID EMERGENCY RELEASE SWITCH TRUNK LID MICRO SWITCH TRUNK RELEASE SWITCH TS REAR OFF HEAD SWITCH RESTRAINTS SWITCH VANITY MIRROR LAMP SWITCH WINDOW SWITCH LEFT FRONT WIPER/ WASHER SWITCH WIPER/WASHER FLUID LEVEL SWITCH

1 2 1 1 11 3 CAN-B L CAN-B H 1 2 1 CAN-B L CAN-B H 1 2 2 6 7 4 3 14 3 CAN-B L CAN-B H 1 2 2 6 7 4 CAN-B L CAN-B H 1 2 2 6 7 8 27 28 12 9 25 2 15 17 29 13 14 31 32 4 6 1 3 CAN-B L CAN-B H 1 2 2 CAN-B L CAN-B H 1 2 2 COMPUTER DATA LINES SYSTEM CAN-B L CAN-B H 1 2 3 4 5 6 7 8 1 GND DATA- 1 2 3 4 5 6 7 8 2 CAN H DIAG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CAN-C L DIAG 1 2 3 4 5 6 7 8 9 10 23 24 25 26 27 28 29 30 DATA LINE 1 2 3 4 5 6 7 8 9 31 ART 1 2 3 4 5 6 7 8 SHIFT ILLUM MODE SW 2 DIAGNOSTIC 1 2 3 4 5 6 CAN-B L 1 2 3 4 5 6 GS/AB GT 1 2 3 4 30 31 CAN-B H CAN B-L 1 2 3 4 CAN-B H CAN-B L 30 31 1 2 3 31 30 WAKE-UP 1 2 3 CAN-B L CAN-B H 1 2 4 1 2 5 1 2 6 1 2 7 CAN-B L CAN-B H 1 2 4 CAN-B L CAN-B H 1 2 5 CAN-B L CAN-B H 1 2 6 CAN-B L CAN-B H 1 2 7 5 2 CAN-B L CAN-B H 1 2 7 CAN-B L CAN-B H 1 2 8 CAN-B L CAN-B H 1 2 9 CAN-B L CAN-B H 1 2 10 CAN-B L CAN-B H 1 2 11 CAN-B L CAN-B H 1 2 13 CAN-B L CAN-B H 1 2 14 CAN-B L CAN-B H 1 2 15 CAN-B L CAN-B H 1 2 CAN B L CAN B H 1 2 HKL HKL 1 2 HKS HKS 1 2 TRUNK LID SW 1 3 7 CAN-B L CAN-B H 1 4 2 HD HD-SVS 1 5 2 CAN-C H CAN-C L DIAG 1 5 11 15 19 20 3 15 16 4 CAN-B L LF DR SW CAN-B H RR DR SW LR DR SW RF DR SW 1 5 11 15 19 20 3 CAN-B L LF DR SW CAN-B H RR DR SW LR DR SW RF DR SW 1 10 2 CAN-C L CAN-C H DIAG 1 11 3 1 2 1 CAN-B L CAN-B H 1 11 8 5 20 19 15 CAN-B L CAN-B H EDW LF DOOR RF DOOR LR DOOR RR DOOR 1 11 8 5 20 CAN-B L CAN-B H 1 11 CAN H CAN L 1 11 CAN-B H CAN-B L 1 11 CAN-B L CAN-B H 1 29 30 DATA LINE POWER GROUND 2 3 CAN-B L CAN-B H 2 4 CAN-B L CAN-B H 2 13 3 REFRIG TEMP SENS SIG REFRIG TEMP SENS GND 3 1 LF TURN 3 2 9 10 CAN-B H CAN-B H CAN-B L CAN-B L 3 4 1 CAN-B H CAN-B L 3 4 1 CAN-B L CAN-B H 3 4 1 CAN-C H CAN-C L 3 4 2 CAN-B H CAN-B L 3 4 5 6 7 8 MUTE 30 ANT ON 3 4 7 8 CAN-B L CAN-B H CAN-B H CAN-B L 3 4 7 8 CAN-B L CAN-B H CAN-C H CAN-C L 3 4 CAN-B L CAN-B H 3 5 6 7 8 DIAGNOSTIC POWER CAN H CAN L GROUND 3 5 SRA 3 6 M+ M- 3 7 6 DIAG CAN-C L CAN-C H 3 10 9 2 CAN-B H CAN-B H CAN-B L CAN-B L 4 1 9 3 2 10 7 5 14 12 8 6 11 12 31 NSL NS RK 30 30 4 1 9 3 2 10 7 5 14 12 8 6 13 11 31 NSL NS RK 30 30 4 2 HD-SVS 4 3 2 COMPUTER DATA LINES SYSTEM CAN-B L CAN-B H 5 4 3 4 30 R/L SENS SIG 31 5 6 1 CAN-B L CAN-B H 5 6 CAN-B L CAN-B H 5 9 COOL TMP SENS - 5 20 19 15 LF DOOR RF DOOR LR DOOR RR DOOR 6 1 LF TURN 6 7 3 4 CAN-B L CAN-B H EDW 6 7 4 1 2 2 CAN-B L CAN-B H 6 7 4 CAN-B L CAN-B H 6 7 8 27 30 12 9 25 2 15 17 29 13 14 31 32 4 CAN-B L CAN-B H 31 NSL NS RK 30 30 6 7 18 4 9 3 CAN-B L CAN-B H BRK FLUID 7 6 1 CAN-B L CAN-B H 7 8 2 CAN-B L CAN-B H 7 15 5 CAN-B L CAN-B H 8 4 2 R LICENSE L LICENSE 8 4 3 1 HEAD RESTRAINT RAISE VALVES 8 7 2 CAN-C L CAN-C H DIAG 8 9 1 2 CAN-B L CAN-B H 9 10 1 CAN-B H CAN-B L 9 10 3 2 CAN-C L CAN-C H CAN-B H CAN-B L 9 10 CAN-B L CAN-B H 9 10 CAN-C L CAN-C H 10 3 CHMSL 10 3 WP 10 9 1 CAN-B L CAN-B H 10 9 3 2 7 6 CAN H CAN L CAN H CAN L 30 31 10 9 3 2 CAN H CAN L CAN H CAN L 10 9 CAN B L CAN B H 11 1 32 29 CAN-C L CAN-C H DIAG DIAG 11 1 CAN-C L CAN-C H 12 1 3 LF MARKER LF PARK 12 13 11 CAN-C L CAN-C H DIAG 12 13 14 15 16 L/R TURN FLASH/HIGH BEAM LOW BEAM WASH WIPE 12 13 17 18 CAN-C L CAN-C H CAN-B L CAN-B H 15 11 1 BLS BS 15 31 DDK 15 15 CAN-C H 16 17 CAN-B L CAN-B H 17 18 1 CAN-B L CAN-B H 17 18 12 13 CAN-B L CAN-B H CAN-B L CAN-B H COMPUTER DATA LINES SYSTEM 17 18 13 CAN-B L CAN-B H 17 18 CAN B L CAN B H 18 2 CAN-B L CAN-B H 19 20 21 22 P- 28 30 4 RR BACKUP LR BACKUP 30 30 RK NS NSL 31 FSB CAN-B L CAN-B H 30 R FAN 31 E/A 31 31 K-LINE 31 32 4 LR TURN SIG RR TURN SIG 31 UKB UKB 36 35 CAN-B L CAN-B H 87 CAN L 87 VKPS VAL 1 VAL 2 30 VALV 88.1 88.2 #1 #2 #3 #4 #5 #6 + VZ - VZ AB, FA+ AB, FA- ABS MIL ACCEL L ACOUSTIMASS BASS MODULE AIR CONDITIONING SYSTEM AMBIENT TEMP GND AMBIENT TEMP SIG ANTI-THEFT SYSTEM ANTI-TOW APS VLV VIMS VLV AT RIGHT REAR OF TRUNK) AUTOMATIC DIMMING MIRROR AVRV NVRV NV AVRM NVLM SPS CAN B H CAN B L CAN B L CAN B H CAN C L CAN C H CAN H CAN L P- SIG SIG P- P+ CAN HI CAN LO CAN-B H 31 30 CAN-B H CAN-B L CAN-B L CAN-B H 31 30 RK PL FL CAN-B L CAN-B H 31 NSL NS RK 30 30 CAN-B L CAN-B H CAN-C H CAN-C L CAN-B L CAN-B H WAKE UP CAN-BL CAN-BH CAN-D L CAN-D H 30 CAN-C L CAN-C H CAN-B L CAN-B H CAN-L CAN-H CC NF L AUX NF CC NF R CC NF GND CD CHANGER CIGAR LIGHTER CKP INJ 1 INJ 5 CLIMATE CONTROL ELECTRIC COOLING FAN COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRASH SIG 31 31 CRUISE CONTROL SYSTEM CTRL CONTACT CYLINDER IGNITION COILS DF VL DOOR LOCKS SYSTEM DRIVER SIDE AIRBAG SQUIB DRVR BELT ACCEL R ECT GAUGE ELECTRICALLY ADJUSTABLE, HEATED DRIVER-SIDE OUTSIDE REARVIEW MIRROR ELECTRICALLY ADJUSTABLE, HEATED RIGHT OUTSIDE REARVIEW MIRROR ELECTRONIC CLOCK ELECTRONIC SPEEDO- METER ELECTRONIC SUSPENSION SYSTEM FANFARE HORNS FH H FH T FH VR FL PL PR SRA FRONT AXLE SWITCHOVER FRONT AXLE VACUUM FRONT PASSENGER SEAT OCCUPIED, CHILD SEAT RECOGNITION MODULE FRONT PASSENGER SIDE AIRBAG SQUIB FTP - CAN L FTP SIG P- P+ FUEL INJECTORS GS/AB GT HAR 1 HAR 2 HAR V AHRM HAL 2 AHRS HAL 1 AHRV HAL V HEADLIGHTS SYSTEM HEATED WASHER HOSE HEATED WASHER NOZZLES HHS 30 30 HIGH/LOW BUS CIRCUIT HOT AT ALL TIME HOT AT ALL TIMES HOT IN ACC, RUN OR START HOT IN ON OR START HOT IN RUN OR START HOT IN RUN, ACC OR START IGNITION COILS, RADIO INTERFERENCE SUPPRESSION CAPACITORS INJ 2 INJ 4 INJ 8 INJ 3 INJ 6 INJ 7 INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM INSTRUMENT ILLUMINATION INTERIOR REARVIEW MIRROR ASSEMBLY K-DIAG KEYLESS GO START/STOP PUSHBUTTON L/R TURN SIG SW LEFT "C" PILLAR) LEFT AIR OUTLET ILLUM- INATION LEFT AIR OUTLET ILLUMINATION LEFT DUOVALVE LEFT FOOTWELL) LEFT FRONT DOOR HANDLE ILLUMINATION LEFT FRONT DOOR POWER LOCKING DRIVE PAWL MICROSWITCH LEFT FRONT HOLD LEFT FRONT IR RECEIVER LEFT FRONT RELEASE LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT FRONT SEAT BELT BUCKLE MICROSWITCH LEFT FRONT SEAT SWITCHES LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP LEFT REAR DOOR POWER LOCKING DRIVE PAWL MICROSWITCH LEFT REAR HOLD LEFT REAR RELEASE LEFT TURN IND LEVELING VALVES LF DOOR RF DOOR LF MARKER LF PARK LL L A-SP 1 A-SP 2 31 31 LL R MAF SENS - PRESS SIG MAF SIG MAF - CKP MEMORY RECALL MULTIFUNCTION DISPLAY NHRM NHRS 1 NHRS 2 NSP NHR AVLV NVLV NVL AVLM NVRM SPV NVR NVLS 2 NHL NVRS 2 VAR 2 NVLS 1 RKPS NVRS 1 OIL SENS R KS - L KS SIG CLEAR P- SIG SIG PASS BELT AKSE/SBE PASSIVE RESTRAINT SYSTEM PASSIVE RESTRAINTS SYSTEM POWER CAN H CAN L GROUND POWER GROUND PRK BRK R FAN 30 30 RCL FREQUENCY IN ANT ON 30 DATA ZV 31 REAR AIR OUTLET ILLUMINATION REAR AXLE SWITCHOVER REAR AXLE VACUUM REAR WINDOW DEFROST ELEMENT REAR WINDOW DEFROSTER ELEMENT RIGHT AIR OUTLET ILLUM- INATION RIGHT AIR OUTLET ILLUMINATION RIGHT DUOVALVE RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR POWER LOCKING DRIVE PAWL MICROSWITCH RIGHT FRONT HOLD RIGHT FRONT IR RECEIVER RIGHT FRONT RELEASE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT FRONT SEAT BELT BUCKLE MICROSWITCH RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP RIGHT REAR DOOR POWER LOCKING DRIVE PAWL MICROSWITCH RIGHT REAR HOLD RIGHT REAR RELEASE RIGHT REAR RIGHT FRONT LEFT FRONT LEFT REAR RIGHT TURN IND RKPV AVRS SBS, BF SBS, FA SOLID STATE SOUND SYSTEMS SOUNDER- SRA 30 NSL NS PR NS PR SRA PR PL FL SRA PR PL FL NSL AFL SRA PR PL FL PL FL SS, F+ SS, F- SS, BF- SS, BF+ GS, HL+ GS, HL- GS, HR- GS, HR+ STARTING SYSTEM STARTING/CHARGING SYSTEM STEERING COLUMN MODULE STORAGE COMPARTMENT ILLUMINATION SUPPLEMENTAL RESTRAINTS SYSTEM TACHO- METER TELE AID SYSTEM TO SPARK PLUGS VAR 1 AVLS 31 VARV VF+ W/ BENCH SEAT W/O BENCH SEAT WARNING BUZZER WIPER/WASHER SYSTEM