Diagram sections — 11 (25 total)
COOLING FAN DEFOGGERS HORN POWER ANTENNA POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING WIPER/WASHER
COOLING FAN Cooling Fan Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz 300CE 1991: 20 (right shock tower) 1994 vftc c Acc push- button control unit (above radio) Auxiliary fan preresistor (left front corner of engine compartment) Auxiliary fan preresistor relay Auxiliary fan relay Battery Component compartment) Engine systems control unit (behind battery) Fuse 16a Fuse d 16a Fuse/ relay box left side of component compartment G103 G106 (near left headlamp) Hot at all times Hot in run or start Left auxiliary fan (front of radiator) Red Refrigerant high pressure switch (left front of engine compartment) Right auxiliary fan (front of radiator)
DEFOGGERS Defogger Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Defogger Wiring Diagram for Mercedes-Benz 300CE 1991: 17 (wagon only) 1994 vftc c Combination relay (timer turns off after 15 minutes) Defogger timer Fuse 1 16a Fuse 10 25a Fuse/relay box (left side of component compart- ment) G202 (behind left side of i/p) G302 (behind front of console) G905 (at right rear pillar) (coupe & sedan) (left side of tailgate) (wagon) Heated rear window element Heated rear window switch Hot at all times Hot in accy,run or start Illumination (instrument cluster) Off Solid state
HORN Horn Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Horn Wiring Diagram for Mercedes-Benz 300CE 1991: 7 1994 vftc c Fuse 6 8a Fuse/relay box (left side of component compartment) G101 (right front of engine compartment) Horn contact Hot in run or start Two tone horn (behind grille)
POWER ANTENNA Power Antenna Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Power Antenna Wiring Diagram for Mercedes-Benz 300CE 1991: 12 (coupe/sedan) (wagon) Automatic antenna (left front corner of trunk) Coax Courtesy lamps (sedan/wagon) seat belt extender (coupe) Fuse c 16a Fuse/relay box (left side of component compartment) G404 (left side of trunk,below hinge) g405 (right rear quarter panel) Hot at all times Solid state Sound system (amplifiers/ speakers) Tuner/ amplifier (right side of trunk)
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Power Door Lock Wiring Diagram for Mercedes-Benz 300CE 1991: 24 (seat regulating valve) 1994 vftc c Door lock Electrical center (left side of component compartment) Fuse a 16a Fuse c 8a G302 (behind lower front of console) Gas cap actuator Gas cap flap Hot at all times Hot in run or start Left door switch Left front door actuator Lid lock Lock Lock actuator Power seats Right front door actuator Solid state Tailgate lid Trunk/ Un- lock Vacuum actuator Warning buzzer switch (dash panel, right of steering column)
POWER MIRRORS Power Mirror Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Power Mirror Wiring Diagram for Mercedes-Benz 300CE 1991: 12 Accessory equipment connector block Block Electrically adjustable & heated driver-side outside rearview mirror Electrically adjustable & heated front passenger outside rearview mirror Fuse b 8a Fuse/ relay box G202 (left side of dash) Hot in run Interior lights system Mirror position Mirror select Outside rearview mirror switch
POWER SEATS Driver Power Seat Wiring Diagram, with Memory for Mercedes-Benz 300CE 1991 List of elements for Driver Power Seat Wiring Diagram, with Memory for Mercedes-Benz 300CE 1991: 37 (below lower front of console (left side of component compartment) Auxiliary fuse holder Backrest Battery Front seat height Fuse 2 16a Fuse 9 8a Fuse e 25a Fuse f 25a Fuse/relay box Fuse/relay box (left side of component compartment) G103 (near right shock tower) G202 (behind left G202 (behind left side of i/p) G302 Head restraint up/dn Hot at all times Hot in accy, run or start Illumination (instrument cluster) Left front door switch (in door jamb) Left front power seat motor group with memory Left front power seat switch Left front seat memory control unit (under driver's seat) Pnk Power seat relay Power window relay Rear seat height Red Right air outlet illumi- nation Right front door switch (in door jamb) Right power seat circuit Seat fwd/back Side of i/p) Solid state Telescopic steering wheel Warning module (behind right side of i/p) Heater Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Heater Wiring Diagram for Mercedes-Benz 300CE 1991: 18 1994 vftc c Auxiliary fuse holder (left rear of engine compartment) Front seat heater control unit (under left side of rear seat) Fuse a 16a Fuse/relay box (left side of component compartment) G103 (right shock tower) G302 (behind lower front of console) Hot in accy,run or start Illumination (instrument cluster) Left front seat heater switch Left front backrest heater (in seat backrest) Left front seat heater (in seat cushion) Nca Off Red Right front backrest heater (in seat backrest) Right front seat heater (in seat cushion) Right front seat heater switch Orthopedic Seats for Mercedes-Benz 300CE 1991 List of elements for Orthopedic Seats for Mercedes-Benz 300CE 1991: 12 Air pressure reservoir Door locks system Filter Fuse a 16a Fuse/relay box (left side of component compartment) G302 (behind lower front of console) Height selector Hot in run or start Pressure selector Red Seat back Seat regulating valve Rear Head Restraint Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Rear Head Restraint Wiring Diagram for Mercedes-Benz 300CE 1991: 13 Engine vacuum Fuse 1 16a Fuse/relay box (left side of component compartment) G302 (behind lower front of console) Head restraint release valve with shut-off delay (below left side of rear seat) Hot in accy, run or start Illumination (instrument cluster) Left head restraint Rear head restrain release switch Rear head restraint control switch (closed w/ sunshade lowered) (under rear hatshelf) Right head restraint Solid state With switch momentarily depressed, restraints will unlock Right Seat Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Right Seat Wiring Diagram for Mercedes-Benz 300CE 1991: 34 (left side of component compartment) Auxiliary fuse holder Backrest Battery Front seat height Fuse 2 16a Fuse 9 8a Fuse e 25a Fuse f 25a Fuse/relay box Fuse/relay box (left side of component compartment) G103 (near right shock tower) G202 (behind left G202 (behind left side of i/p) G302 (below lower front of console) Head restraint up/down Hot at all times Hot in accy, run or start Left front door switch (in door jamb) Left power seat circuit Pnk Power seat relay Power window relay Rear seat height Red Right air outlet illumi- nation Right front door switch (in door jamb) Right front power seat motor group (below right front seat) Right front power seat switch Right front seat connector (below left front seat) Seat forward/ backward Side of i/p) Solid state Warning module (behind right side of i/p) Seat Backrest Locking System for Mercedes-Benz 300CE 1991 List of elements for Seat Backrest Locking System for Mercedes-Benz 300CE 1991: 14 1994 vftc c Engine vacuum Fuse c 8a Fuse/relay box (left side of component compartment) G302 (behind lower front of console) Hot at all times Left door switch (closed with door open) (in door jamb) Left front seat Right door switch (closed with door open) (in door jamb) Right front seat Seat backrest locking valve (below left side of rear seat) Solid state Trunk lamp Warning module (behind right side of i/p)
POWER WINDOWS Power Window Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Power Window Wiring Diagram for Mercedes-Benz 300CE 1991: 33 (behind lower Auto dn Battery Convenience control unit (beneath left side of rear seat) Convenience relay (rear of fuse box) Front of console) Fuse 2 16a Fuse 9 8a Fuse a 16a Fuse g 25a Fuse h 25a Fuse/relay box (left side of component compartment) G101 (right shock tower) G302 G302 (behind lower front of console) Hot at all times Hot in acc, run and start Interior lights system Left front door switch Left front power window motor Left front power window switch Left rear power window motor Left rear power window switch (console) Left rear power window switch (door) Red Right front power window motor Right front power window switch Right rear power window motor Right rear power window switch (console) Right rear power window switch (door) Safety switch, rear power windows Solid state Terminal block (center of dashboard)
RADIO One Piece Radio, with Active Bass for Mercedes-Benz 300CE 1991 List of elements for One Piece Radio, with Active Bass for Mercedes-Benz 300CE 1991: 36 1994 vftc c Acc pushbutton control unit (above radio) Amplifier control unit (right side of trunk) Antenna control Battery Coaxial cable Control Fader Fuse 1 8a Fuse 9 8a Fuse/relay box (left side of component conpartment G202 (behind left side of i/p) G302 (behind lower front of console) Ground Hot at all times Hot in accy, run or start Illumination Illumination (instrument cluster) Left door speaker Left front speaker Left rear speaker Left spkr + Left spkr - Nca Power antenna system Power antenna system (automatic antenna switch) Power input Radio Red Right door speaker Right front speaker Right rear speaker Right spkr + Right spkr - Speaker outputs Speed input One Piece Radio, with Sound System for Mercedes-Benz 300CE 1991 List of elements for One Piece Radio, with Sound System for Mercedes-Benz 300CE 1991: 47 (behind lower (right side of trunk) 1994 vftc c Acc pushbutton control unit (above radio) Ant ctrl Audio power amplifier, left speakers Audio power amplifier, right speakers Battery Cable Coaxial Com Control Fader Front Front of console) Front spkr + Front spkr - Fuse 1 16a Fuse 9 8a Fuse/relay box (left side of component conpartment G302 G302 (behind lower front of console) Ground Hot at all times Hot in accy, run or start Illumination Illumination (instrument cluster) Left door speaker Left front speaker Left rear speaker group Left spkr + Line out unit Power antenna Power antenna system Power input Radio Rear Rear spkr + Rear spkr - Red Right door speaker Right front speaker Right rear speaker group Right spkr + Shield Speed input System Two Piece Radio, with Active Bass for Mercedes-Benz 300CE 1991 List of elements for Two Piece Radio, with Active Bass for Mercedes-Benz 300CE 1991: 45 (behind lower (center of console) 1994 vftc c 8-wire din cable Acc pushbutton control unit (above radio) Amplifier control unit (right side of trunk) Ant ctrl Battery Cable Coaxial Control Data bus Fader Front of console) Fuse 1 16a Fuse 9 8a Fuse/relay box (left side of component conpartment G302 G302 (behind lower front of console) Ground Hot at all times Hot in accy, run or start Illumination Illumination (instrument cluster) Left door speaker Left front speaker Left rear speaker Left spkr + Left spkr - Nca Power antenna Power antenna system Power input Radio control unit Red Right door speaker Right front speaker Right rear speaker Right spkr + Right spkr - Scrty out Security system Speed input System Tuner/ amplifier (right side of trunk) Two Piece Radio, with Active Bass & CD Player (2 of 1) for Mercedes-Benz 300CE 1991 List of elements for Two Piece Radio, with Active Bass & CD Player (2 of 1) for Mercedes-Benz 300CE 1991: 46 (behind lower (center of console) 1994 vftc c 8-wire din cable Acc pushbutton control unit (above radio) Amplifier control unit (right side of trunk) Ant ctrl Battery Cable Cd changer (in trunk) Coaxial Control Data bus Fader Front of console) Fuse 1 16a Fuse 9 8a Fuse/relay box (left side of component conpartment G302 G302 (behind lower front of console) Ground Hot at all times Hot in accy, run or start Illumination Illumination (instrument cluster) Left door speaker Left front speaker Left rear speaker Left spkr + Left spkr - Nca Power antenna Power antenna system Power input Radio control unit Red Right door speaker Right front speaker Right rear speaker Right spkr + Right spkr - Scrty out Security system Speed input System Tuner/ amplifier (right side of trunk) Two Piece Radio, with Sound System for Mercedes-Benz 300CE 1991 List of elements for Two Piece Radio, with Sound System for Mercedes-Benz 300CE 1991: 54 (behind lower (center of console) (right side of trunk) 1994 vftc c 8-wire din cable Acc pushbutton control unit (above radio) Ant ctrl Audio power amplifier, left speakers Audio power amplifier, right speakers Battery Cable Coaxial Com Control Data bus Fader Front Front of console) Front spkr + Front spkr - Fuse 1 16a Fuse 9 8a Fuse/relay box (left side of component conpartment G302 G302 (behind lower front of console) Ground Hot at all times Hot in accy, run or start Illumination Illumination (instrument cluster) Left door speaker Left front speaker Left rear speaker group Left spkr + Line out unit Nca Power antenna Power antenna system Power input Radio control unit Rear Rear spkr + Rear spkr - Red Right door speaker Right front speaker Right rear speaker group Right spkr + Scrty out Security system Shield Speed input System Tuner/ amplifier (right side of trunk) Two Piece Radio, with Sound System & CD Player for Mercedes-Benz 300CE 1991 List of elements for Two Piece Radio, with Sound System & CD Player for Mercedes-Benz 300CE 1991: 55 (behind lower (center of console) (right side of trunk) 1994 vftc c 8-wire din cable Acc pushbutton control unit (above radio) Ant ctrl Audio power amplifier, left speakers Audio power amplifier, right speakers Battery Cable Cd changer (in trunk) Coaxial Com Control Data bus Fader Front Front of console) Front spkr + Front spkr - Fuse 1 16a Fuse 9 8a Fuse/relay box (left side of component conpartment G302 G302 (behind lower front of console) Ground Hot at all times Hot in accy, run or start Illumination Illumination (instrument cluster) Left door speaker Left front speaker Left rear speaker group Left spkr + Line out unit Nca Power antenna Power antenna system Power input Radio control unit Rear Rear spkr + Rear spkr - Red Right door speaker Right front speaker Right rear speaker group Right spkr + Scrty out Security system Shield Speed input System Tuner/ amplifier (right side of trunk)
STARTING/CHARGING Charging Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Charging Wiring Diagram for Mercedes-Benz 300CE 1991: 19 Abs control unit (behind battery) Acc Alter- nator (lower Battery Charge indicator Exterior lamp failure monitoring unit Field Fuse/relay box (left side of component compartment) G103 (right shock tower) Ignition starter switch Instrument cluster Off Pnk/red Red Regu- lator Right front of engine) Run Start Stator Starting Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Starting Wiring Diagram for Mercedes-Benz 300CE 1991: 18 (right shock tower) 1994 vftc c A/t Acc Battery Cis-e control unit (behind battery) Engine controls system (fuel pump relay) G103 Hold- in coil Ignition/ starter switch M/t Off Pull-in coil Red Run Start Starter (lower left of engine) Starter lock-out/ back-up lamp switch
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Front Wiper/Washer Wiring Diagram for Mercedes-Benz 300CE 1991: 17 1994 vftc c Combi- nation switch Combination relay (in fuse/ relay box) Fuse 16a Fuse/ relay box (left side of component compartment) G101 (right front of engine compartment) G202 (behind left side of i/p) Headlight wiper/washer circuit Hot in accy,run or start Int Off Park Run Washer switch Windshield washer pump (front of washer fluid reservoir) Wiper motor (left side of component compartment) Wiper switch Headlight Washer/Wiper Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Headlight Washer/Wiper Wiring Diagram for Mercedes-Benz 300CE 1991: 22 1994 vftc c Combi- nation switch Combination relay Fuse 2 16a Fuse 3 8a Fuse/relay box (left side of component compartment) G100 (left front of engine compartment) G100 (left front of engine compt) G101 (right front of engine compartment) G101 (right front of engine compt) Head- lamp washer pump (right front of engine compart- ment) Head- lamp washer relay (in fuse/ relay box) Hot in accy, run or start Hot with light switch in park, head or standing Left headlamp wiper motor Park Red Right headlamp wiper motor Run Wash Washer switch Windshield washer pump Heated Windshield Washer Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Heated Windshield Washer Wiring Diagram for Mercedes-Benz 300CE 1991: 22 (300d/300e) (400e/500e) (behind left side of i/p) (left corner of engine compt) (closed below 5 c, open above 15 c) (under left rear corner of hood) 1994 vftc c Auxiliary fan preresistor relay Auxiliary fan relay Fuse 16a Fuse/relay box (left side of component compartment) G100 G202 Heated check valve (left side of hood) Heated windshield washer pump hose Heated windshield washer thermoswitch Hot in run or start In fuse/relay box Left heated windshield washer nozzle Left heated windshield washer nozzle hose Nca Right heated windshield washer nozzle Right heated windshield washer nozzle hose Interval Wiper/Washer Wiring Diagram for Mercedes-Benz 300CE 1991 List of elements for Interval Wiper/Washer Wiring Diagram for Mercedes-Benz 300CE 1991: 17 1994 vftc c Combi- nation switch Combination relay (in fuse/ relay box) Fuse 16a Fuse/ relay box (left side of component compartment) G101 (right front of engine compartment) G202 (behind left side of i/p) Headlight wiper/washer circuit Hot in accy,run or start Int Off Park Run Washer switch Windshield washer pump (front of washer fluid reservoir) Wiper motor (left side of component compartment) Wiper switch
