Diagram sections — 22 (40 total)
AIR CONDITIONING ANTI-THEFT COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER ANTENNA POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Air Conditioning Wiring Diagrams (1 of 2) for Mercedes-Benz 300E 1993 List of elements for Air Conditioning Wiring Diagrams (1 of 2) for Mercedes-Benz 300E 1993: 36 (behind left (right side of steering column) Acc Blower motor C 1995 vftc Center outlet flap Climate control auxiliary fuse 30a (left side of component compartment) Cluster) Defrost flap long stroke Defrost flap short stroke Diverter flap Electronic blower control (rear of engine compartment) Evaporator temperature sensor Fresh/ recirc flap long stroke Fresh/ recirc flap short stroke Fresh/recirculated air switch G202 G202 (behind left side of instrument cluster) Heat exchanger temperature sensor (below radio) Hot at all times Ignition switch In-car temperature sensor (part of dome lamp) In-car temperature sensor aspirator (top of passenger's footwell) Instrument Interior lights system Legroom flap Nca Off Outside temperature sensor (right side of component compartment) Red Run Side of Start Switch- over valve unit (above passenger's footwell area) Tempmatic pushbutton control unit Test connector (left of battery) Air Conditioning Wiring Diagrams (2 of 2) for Mercedes-Benz 300E 1993 List of elements for Air Conditioning Wiring Diagrams (2 of 2) for Mercedes-Benz 300E 1993: 36 (right side of A/c compressor A/c compressor pressure switch A/c compressor pressure switch (lower left front of engine compartment) A/c coolant Automatic transmission kickdown valve (right rear corner of transmission) Auxiliary fan preresistor (front corner of engine compart- ment) Auxiliary fan preresistor relay (in fuse/ relay box) Auxiliary fan relay (in fuse/ relay box) Battery positive terminal Behind battery) C 1995 vftc Climate control monovalve (next to battery) Compartment, Component Coolant pump (left rear of engine compartment) Diagnostic connector Engine controls system Engine systems control unit (right side of component compartment, behind battery) Fuse 5 8a Fuse 7 8a Fuse d 16a Fuse/ relay box G106 (near left headlamp) G202 (behind left side of instrument cluster) Hall effect speed sensor (behind speedometer) Hot at all times Hot in run or start Kickdown switch Left auxiliary fan Magnetic clutch Nca Red Right auxiliary fan Rpm sensor Temperature sensor (on cylinder head)
ANTI-THEFT Anti-theft Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Anti-theft Wiring Diagram for Mercedes-Benz 300E 1993: 62 (300d/300e) (400e/500e) 300d/300e 400e/ 500e only 400e/500e Alarm horn Anti-theft alarm connector (beneath passenger's footrest) Anti-theft alarm control unit (behind right front footrest) Arm Arm in Auxiliary fuse holder Brakes in C 1995 vftc Connector block (behind driver's left kick panel) Control Convenience control unit (beneath left side of rear seat) Disarm Disarm in Exterior lights system Fuse 11 16a 25a Fuse 12 16a 25a Fuse 8a Fuse b 16a Fuse c 8a Fuse/ relay box (left side of component compartment) G103 (right side of component compartment) G202 (behind left side of instrument cluster) G206 (below lower front of console) G402 (left rear wheelhousing) Ground Headlamp out Headlights system Hood in Hood switch Horn out Hot at all times Hot in run or start Ign Lamp out Left front door lock actuator Left front door switch Left rear door switch Lf door Lock Not used Power in Radio Radio in Rear door in Rf door Rf door in Right front door lock actuator Right front door switch Right rear door switch Stop lamp switch (closed w/ brake pedal depressed) Trunk Trunk in Trunk lamp Trunk lamp switch Trunk lid lock actuator Unlock Warning buzzer switch (open w/ key in ignition) X42/13
COOLING FAN Cooling Fan Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz 300E 1993: 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)
CRUISE CONTROL Cruise Control Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Cruise Control Wiring Diagram for Mercedes-Benz 300E 1993: 29 (behind left side of instrument cluster) Acc/ set C 1995 vftc Cntrl in Cntrl out Control trans- mission Cruise control actuator (lower left side of engine) Cruise control amplifier (behind lower left side of dash) Cruise control switch Dec/ set Disengage Feedback Feedback in Fuse 5 8a Fuse/ relay box (left side of component compartment) G202 G202 (behind left side of instrument cluster) Ground Hall-effect speed sensor (rear of instrument cluster) Hot in run or start Mtr cntrl out Multipoint connector (behind right side of instrument cluster) Off Red Reference resistor Release clutch Resume Stop lamp switch (closed w/ brake pedal depressed) Veh speed in Cruise/Idle Speed Control Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Cruise/Idle Speed Control Wiring Diagram for Mercedes-Benz 300E 1993: 29 (left side of i/p) g202 (right rear corner of engine compt) diagnostic connector 15a Abs control module (right rear of eng compt) Acc Air condition- ing system Ant-lock brakes system Computer data lines system Cruise control switch Cruise control/idle speed control actuator (on left side of engine) Cruise control/idle speed control module (in module box, on right rear of engine compt) Engine control module (in right rear corner of engine compt) Exterior lights system Fuse 8a Fuse and relay box (on left rear corner of engine compt) Hot at all times Hot in run or start Ignition/ starter switch Instru- ment cluster system Nca Off Overvoltage protection relay module Red Run Start Starting circuit Stop lamp switch (top of brake pedal support) Terminal block x4/10 To throttle Electronic Accelerator/Cruise/Idle Speed Control Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Electronic Accelerator/Cruise/Idle Speed Control Wiring Diagram for Mercedes-Benz 300E 1993: 29 (right rear corner of engine compt) diagnostic connector Abs/asr control module (right rear of engine compt) Acc Air conditioning system Anti-lock brakes system Closed throttle position switch (on top of accelerator bracket) Computer data lines system Cruise control switch Electronic accelerator/ cruise control/idle speed control module (in module box, on right rear of engine compt) Electronic accelerator/cruise control/idle speed control actuator (on left side of engine) Engine control module (in right rear corner of engine compt) Exterior lamp failure monitor- ing module Exterior lights system (backup lamp switch) Fuse 8a Fuse and relay box (on left rear corner of engine compt) G202 (left side of i/p) Hall-effect speed sensor Hot at all times Hot in run or start Ignition/starter switch Nca Off Overvoltage protection relay module Run Start Starting circuit Stop lamp switch (top of brake pedal support) Stop lamp switch intermediate connector (below steering column) To throttle
DEFOGGERS Defogger Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Defogger Wiring Diagram for Mercedes-Benz 300E 1993: 14 Combination relay (timer turns off after 15 minutes) Defogger timer Fuse 16a Fuse 25a Fuse/ relay box (left side of component compartment) G202 (behind left side of instrument cluster) G302 (behind front of console) G905 (at right "c" pillar) Heated rear window element Heated rear window switch Hot at all times Hot in accy,run or start Interior lights system Off
ENGINE PERFORMANCE
2.8L 2.8L, Engine Performance Wiring Diagrams (1 of 2) for Mercedes-Benz 300E 1993 List of elements for 2.8L, Engine Performance Wiring Diagrams (1 of 2) for Mercedes-Benz 300E 1993: 24 Air flow sensor position indicator All times Cis-e control unit Coolant temperature sensor Crankshaft position sensor Diagnostic socket/ terminal block terminal Distributor Electro- hydraulic actuator Electronic ignition control unit (ezl) Fuse 8a Fuse c 8a Fuse/ relay box Hall-effect speed sensor Hot at Hot in run and start Ignition coil Intake air temp sensor Multipoint connector Nca Park/neutral switch Pnk/red Resistance trimming plug Shield Tdc sensor 2.8L, Engine Performance Wiring Diagrams (2 of 2) for Mercedes-Benz 300E 1993 List of elements for 2.8L, Engine Performance Wiring Diagrams (2 of 2) for Mercedes-Benz 300E 1993: 25 (fed only) 10a Air pump switch-over valve Deceleration shut-off microswitch Egr switch over valve Electro- magnetic air pump clutch Electronic clock/ tachometer Engine system control unit (mas) Fuel pump #1 Fuel pump #2 Heated oxygen sensor Idle speed air valve Indicator lamp "check engine" Kick-down switch Kick-down valve Nca Over voltage protection relay Pnk/red Red Shift point retard solenoid relay Starting valve Switch-over valve Test connector Throttle valve switch Transmission shift point increase relay
3.2L 3.2L, Engine Performance Wiring Diagrams with LH-SFI (1 of 2) for Mercedes-Benz 300E 1993 List of elements for 3.2L, Engine Performance Wiring Diagrams with LH-SFI (1 of 2) for Mercedes-Benz 300E 1993: 24 Air flow sensor position indicator All times Cis-e control unit Coolant temperature sensor Crankshaft position sensor Diagnostic socket/ terminal block terminal Distributor Electro- hydraulic actuator Electronic ignition control unit (ezl) Fuse 8a Fuse c 8a Fuse/ relay box Hall-effect speed sensor Hot at Hot in run and start Ignition coil Intake air temp sensor Multipoint connector Nca Park/neutral switch Pnk/red Resistance trimming plug Shield Tdc sensor 3.2L, Engine Performance Wiring Diagrams with LH-SFI (2 of 2) for Mercedes-Benz 300E 1993 List of elements for 3.2L, Engine Performance Wiring Diagrams with LH-SFI (2 of 2) for Mercedes-Benz 300E 1993: 25 (fed only) 10a Air pump switch-over valve Deceleration shut-off microswitch Egr switch over valve Electro- magnetic air pump clutch Electronic clock/ tachometer Engine system control unit (mas) Fuel pump #1 Fuel pump #2 Heated oxygen sensor Idle speed air valve Indicator lamp "check engine" Kick-down switch Kick-down valve Nca Over voltage protection relay Pnk/red Red Shift point retard solenoid relay Starting valve Switch-over valve Test connector Throttle valve switch Transmission shift point increase relay 3.2L, Engine Performance Wiring Diagrams with HFM-SFI (1 of 2) for Mercedes-Benz 300E 1993 List of elements for 3.2L, Engine Performance Wiring Diagrams with HFM-SFI (1 of 2) for Mercedes-Benz 300E 1993: 53 (center console) (in right component compt.) 15a 15u 30z 30a 40a 87e 87m 87u A/c comp. control module Acc Auxiliary fan relay module Battery Canada Cc/isc control module Computer data lines Data link connector (dtc readout) (in right component compt.) Ea/cc/isc control module Electronic clock/ tachometer Engine control module (hfm-sfi) (in right component compt.) Fuel pump Fuel pump relay module Fuse & relay box Fuse 16a Fuse 8a G105 (battery) G302 Hot at all times Hot in run or start Ignition switch Lock Nca O2s 1 (before Overvoltage protection relay module (in right component compt.) P/n Pnk/ red Pnk/red Purge control valve Red Run Solid state Start Starter Starter lock- out relay module Starter lock-out/ backup lamp switch Terminal block Transmission overload protection switch Twc) U.s. Upshift delay switch- over valve W/ ea W/o ea 3.2L, Engine Performance Wiring Diagrams with HFM-SFI (2 of 2) for Mercedes-Benz 300E 1993 List of elements for 3.2L, Engine Performance Wiring Diagrams with HFM-SFI (2 of 2) for Mercedes-Benz 300E 1993: 41 (left side (right side Adjustable camshaft timing solenoid Camshaft position sensor Crankshaft position sensor Egr switchover valve Electro- magnetic secondary air injection pump clutch Engine control module (in right component compartment) Engine coolant temperature sensor G105 (battery) G125 (top front of engine) Hot film mass air flow sensor Hot in run or start Ignition coil #1 Ignition coil #2 Ignition coil #3 Inj. #1 Inj. #2 Inj. #3 Inj. #4 Inj. #5 Inj. #6 Intake air temperature sensor Knock Nca Of engine) Pnk Pnk/ red Pnk/red Resonance intake manifold switchover valve Secondary air injection pump switchover valve Sensor 1 Sensor 2 Solid state Spark plug #1 Spark plug #2 Spark plug #3 Spark plug #4 Spark plug #5 Spark plug #6 Terminal block
EXTERIOR LIGHTS Exterior Light Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Exterior Light Wiring Diagram for Mercedes-Benz 300E 1993: 54 49a 58l 58r A/t Anti- theft system Audible turn solenoid Backup Backup lamp switch (left side of transmission) C14 C15 Center high mounted stop lamp Combination relay Combination switch Exterior lamp failure monitoring unit (in fuse/relay box) Exterior lamp switch Fuse 16a Fuse 8a Fuse/ relay box (left side of component compartment) Fuse/relay box G106 (left front of engine compt) G107 (right front of engine compt) G202 (behind left side of instrument cluster) G202 (left side of i/p) G402 (left rear wheelhousing, in trunk) G403 (right rear wheelhousing, in trunk) Hazard flasher switch Head Headlights system Hot at all times Hot in off & accy Hot in run or start Instrument cluster Interior lights system K30 Left headlamp unit Left taillamp unit Left turn indicator M/t Marker Off P30 Park Right headlamp unit Right license plate lamp Right taillamp unit Right turn indicator Standing/ parking/ turn lamp Starter lock out/ backup lamp switch (left side of transmission) Stop Stop lamp switch (top of brake pedal, on bracket) Tail Turn Turn signal switch Warning system
HEADLIGHTS Headlight Wiring Diagram, with DRL for Mercedes-Benz 300E 1993 List of elements for Headlight Wiring Diagram, with DRL for Mercedes-Benz 300E 1993: 38 56a 56b 58l 58r C 1995 vftc Charging system Combination switch Daytime driving lamp control unit (behind front passenger footrest) Exterior lamp failure monitoring unit (in fuse/ relay box) Exterior lamp switch Exterior lights switch Flash Fog lamp Fuse 16a Fuse 8a Fuse/ relay box (left side of component compartment) G106 (at left headlamp unit) G107 (at right headlamp unit) G202 (behind left side of instrument cluster) Head High High beam indicator Hot at all times Hot in accy, run or start Hot in off or accy Hot in run or start Instrument cluster Interior lights system K30 Left headlamp unit Low Nse Off P30 Park Red Right headlamp unit Terminal block (top of driver's footwell, forward of parking brake lever) Headlight Wiring Diagram, without DRL for Mercedes-Benz 300E 1993 List of elements for Headlight Wiring Diagram, without DRL for Mercedes-Benz 300E 1993: 30 56a 56b 58l Anti- theft system C 1995 vftc Combination switch Exterior lamp failure monitoring unit (in fuse/ relay box) Exterior lamp switch Flash Fog Fog lamp Fuse 16a Fuse 8a Fuse/ relay box (left side of component compartment) G106 (at left headlamp unit) G107 (at right headlamp unit) G202 (behind left side of instrument cluster) Head High High beam indicator Hot at all times Hot in accy, run or start Hot in park or head Instrument cluster Left headlamp unit Low Nse Off Park Right headlamp unit
HORN Horn Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Horn Wiring Diagram for Mercedes-Benz 300E 1993: 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)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Instrument Cluster Wiring Diagram for Mercedes-Benz 300E 1993: 84 (diesel) (fuse/relay box) (gasoline) (left side of instrument cluster) (right side of component compt, behind battery) (sedan: left side of trunk, below hinge) (wagon: behind left rear quarter panel) (top of brake fluid reservoir) 4-matic function indicator 4-matic indicator 56a 58d Abs indicator Anti-lock brakes system Asd function indicator Asr function indicator Asr indicator Audible turn signal indicator Brake fluid & park brake indicator Brake fluid level switch Brake pad wear indicator C10 C11 C12 C13 C14 C15 Charge indicator Cis-e control unit Coolant level indicator Coolant level switch (lower front of coolant reservoir) Coolant temperature gauge Coolant temperature gauge sensor (left side of engine, above intake manifold) Electronic clock/ tachometer Engine controls system (tach signal) Engine indicator o2/check Exterior lamp failure ind Exterior lamp failure module Exterior lights system Fluid reservoir) Fuel gauge Fuel level sensor (top of fuel tank) Fuel reserve indicator Fuse 8a Fuse/ relay box G101 (lower right front of engine compt) G101 g106 (diesel) (gas) (lower (lower left front of eng compt) front of engine compt) G202 G202 (left side of instrument cluster) G302 (below center console) G404 Headlights system High beam indicator Hot at all times Hot in run or start Illumination Indicator asd Indicator preglow Indicator srs Instrument cluster Interior lights system Left front brake pad wear sensor (in left front brake pad) Left rear brake pad brake pad wear sensor wear sensor (in left rear brake pad) brake pad) Left turn indicator Nca Nca nca Oil level indicator Oil level switch (left side of oil pan) Oil pressure gauge Oil pressure sensor (at base of oil filter housing) Outside temp sensor (left corner of front bumper) Outside temperature display Parking brake switch (left kick panel) Pnk Pnk/red Preglow relay (diesel) (left front fender) Rheostat Right Right front brake pad wear sensor (in right front brake pad) Right rear brake pad wear sensor (in right rear brake pad) Right turn indicator Starting/charging system Transmission system Washer fluid level Windshield washer fluid indicator
INTERIOR LIGHTS Interior Light Wiring Diagram (1 of 2) for Mercedes-Benz 300E 1993 List of elements for Interior Light Wiring Diagram (1 of 2) for Mercedes-Benz 300E 1993: 66 (center of windshield header) (left side of instrument cluster) (right side of instrument cluster) 58r 58d Anti- theft alarm control unit x2 Anti-theft system Ashtray illumination Automatic antenna C13 Convenience relay Dome lamp Dome/reading lamps Exterior lamp failure monitoring unit (fuse/relay box) Exterior lamp switch From terminal block x6/1 Fuse 16a Fuse 8a Fuse c 16a Fuse/ relay box Fuse/relay box G202 G202 (left side of instrument cluster) G302 (behind center console) G302 (below center console) G404 (left side of trunk, below hinge) G905 (right "c" pillar) G908 Glove box lamp Head Hot at all times Hot in accy, run or start Hot in off & acc Hot in run or start Illumination Instrument cluster J/c x30 (left kick panel) K30 Left Left front door switch Left front exit lamp Left rear door switch Left rear exit lamp Left vanity lamp Off P30 Park Power seat relay (fuse/relay box) Reading lamp Reading lamps Rear dome lamp Rear dome lamp switch Rheostat Right Right air out- let illumination Right front door switch Right front exit lamp Right rear door switch Right rear exit lamp Right vanity lamp Seat belt indicators To terminal block x6 Trunk lamp Trunk lamp switch Warning module Warning module (behind right side of instrument cluster) Interior Light Wiring Diagram (2 of 2) for Mercedes-Benz 300E 1993 List of elements for Interior Light Wiring Diagram (2 of 2) for Mercedes-Benz 300E 1993: 42 (left side of g202 instrument cluster) 58d Center air outlet control illumination Exterior lamp switch illumination Fader Fresh air/ recircu- lation switch From instrument a cluster rheostat Fuse 8a Fuse/ relay box G202 (left side of instrument cluster) G302 (below center console) Hazard flasher switch Heated rear window switch Hot at all times Instrument cluster Instrument illumination control unit (behind instrument cluster, on steering column) J/c x30 (left kick panel) Left air outlet illumination Left front power window switch Left front seat heater switch Left rear power window switch Left rear power window switch (front console) Nca Off Outside temperature display Push- button control unit Radio Rear window sunshade switch Red Right air outlet illumination Right front door switch Right front power window switch Right front seat heater switch Right rear power window switch Right rear power window switch (front console) Safety switch rear power windows Shift illumination Sliding pop-up roof switch Terminal block x6 (below radio) Terminal block x6/1 (left of ashtray) To accessory harnesses To rear dome lamp switch
MEMORY SYSTEMS Left Front Seat & Power Steering Column Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Left Front Seat & Power Steering Column Wiring Diagram for Mercedes-Benz 300E 1993: 31 Anti-theft alarm control unit (behind front passenger footrest) Auxiliary fuse holder Backrest Front seat height Fuse 16a Fuse 8a Fuse e 25a Fuse f 25a Fuse/ relay box (left side of component compartment) G202 (behind left side of instrument cluster) G302 (below center console) Head restraint up/dn Hot at all times Hot in accy, run or start Interior lights system Left front door switch 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 Rear seat height Red Right front door switch Right power seat circuit Seat fwd/back Solid state Telescopic steering column motor (left side of steering column) Telescopic steering column switch Terminal block (top of driver's footwell) Warning module (behind right side of i/p)
POWER ANTENNA Power Antenna Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Power Antenna Wiring Diagram for Mercedes-Benz 300E 1993: 12 Antenna splitter (on antenna mast) Automatic antenna (left front corner of trunk) Cellular telephone Coax Connector block (behind driver's left kick panel) Fuse c 16a Fuse/relay box (left side of component compartment) G404 (left side of trunk, below hinge) Hot at all times Nca Sound system (amplifiers/ speakers) Tuner/ amplifier (right side of trunk)
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Power Door Lock Wiring Diagram for Mercedes-Benz 300E 1993: 25 1994 vftc c Anti-theft alarm control unit 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 front door actuator Left rear door actuator Lid lock Lock Only Power seats (seat regulating valve) Right front door actuator Right rear door actuator Solid state Trunk/ tailgate lid lock actuator Un- lock Vacuum actuator W/ orthopedic seats Warning buzzer switch (dash panel, right of steering column)
POWER MIRRORS Power Mirror Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Power Mirror Wiring Diagram for Mercedes-Benz 300E 1993: 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 for Mercedes-Benz 300E 1993 List of elements for Driver Power Seat Wiring Diagram for Mercedes-Benz 300E 1993: 28 Anti-theft alarm control unit (behind front passenger footrest) Auxiliary fuse holder Backrest Front seat height Fuse 16a Fuse 8a Fuse e 25a Fuse f 25a Fuse/ relay box (left side of component compartment) G202 (behind left side of instrument cluster) G302 (below center console) Head restraint up/down Hot at all times Hot in accy, run or start Left front door switch Left front power seat motor group (below right front seat) Left front power seat switch Left front seat connector (below left front seat) Pnk Power seat relay Rear seat height Red Right front door switch Right power seat circuit Seat forward/ backward Solid state Terminal block (top of driver's footwell) Warning module (behind right side of i/p) Heater Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Heater Wiring Diagram for Mercedes-Benz 300E 1993: 17 25a Auxiliary fuse holder (left rear of engine compt) Connector block (behind driver's left kick panel) Front seat heater control unit (under left side of rear seat) Fuse a 16a Hot at all times Hot in accy, run or start fuse/relay box (left side of component compartment) Interior lights system Left front backrest heater Left front seat heater Left front seat heater switch Nca Off Right front backrest heater Right front seat heater Right front seat heater switch Solder joint, in harness Orthopedic Seats for Mercedes-Benz 300E 1993 List of elements for Orthopedic Seats for Mercedes-Benz 300E 1993: 13 Air pressure reservoir Connector block (behind driver's left kick panel) Door locks system Filter Fuse a 16a Fuse/ relay box (left side of component compartment) G202 (behind left side of instrument cluster) Height selector Hot in run or start Pressure selector Red Seat back Seat regulating valve Rear Head Restraint Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Rear Head Restraint Wiring Diagram for Mercedes-Benz 300E 1993: 13 Engine vacuum Fuse 16a Fuse/relay box (left side of component compartment) G302 (behind lower front of console) Head restraint release valve w/ shut-off delay (below left side of rear seat) Hot in accy, run or start Interior lights system Left head restraint Multi-function connector (behind driver's left kick panel) Rear head restraint control switch (closed w/ sunshade lowered) (under rear hatshelf) Rear head restraint release switch Right head restraint With switch momentarily depressed, restraints will unlock Right Seat Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Right Seat Wiring Diagram for Mercedes-Benz 300E 1993: 28 Anti-theft alarm control unit (behind front passenger footrest) Auxiliary fuse holder Backrest Front seat height Fuse 16a Fuse 8a Fuse e 25a Fuse f 25a Fuse/ relay box (left side of component compartment) G202 (behind left side of instrument cluster) G302 (below center console) Head restraint up/down Hot at all times Hot in accy, run or start Left front door switch Left power seat circuit Pnk Power seat relay Rear seat height Red Right front door switch 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 Solid state Terminal block (top of driver's footwell) Warning module (behind right side of i/p)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Mercedes-Benz 300E 1993 List of elements for Power Top/Sunroof Wiring Diagrams for Mercedes-Benz 300E 1993: 14 (left side of trunk, below hinge) Close Connector block (behind driver's left kick panel) Convenience control unit (beneath left side of rear seat) Down Fuse a 16a Fuse/ relay box (left side of component compartment) G402 G908 (center of windshield header) Hot in accy, run or start Interior lights system Open Sliding/ pop-up roof drive unit (left front corner of trunk) Sliding/pop-up roof switch Sunroof Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Sunroof Wiring Diagram for Mercedes-Benz 300E 1993: 14 (left side of trunk, below hinge) Close Connector block (behind driver's left kick panel) Convenience control unit (beneath left side of rear seat) Down Fuse a 16a Fuse/ relay box (left side of component compartment) G402 G908 (center of windshield header) Hot in accy, run or start Interior lights system Open Sliding/ pop-up roof drive unit (left front corner of trunk) Sliding/pop-up roof switch
POWER WINDOWS Power Window Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Power Window Wiring Diagram for Mercedes-Benz 300E 1993: 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)
STARTING/CHARGING Charging Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Charging Wiring Diagram for Mercedes-Benz 300E 1993: 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 300E 1993 List of elements for Starting Wiring Diagram for Mercedes-Benz 300E 1993: 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
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Supplemental Restraint Wiring Diagram for Mercedes-Benz 300E 1993: 29 (driver's seat belt buckle) (passenger's seat belt buckle) (top of transmission tunnel, behind front console) 15r 300d/e 400e/500e Acc Air bag squib slip ring Air bag test connector (right kick panel) Driver air bag squib Driver seat belt buckle switch (air bag/etr) Front passenger seat belt buckle switch (etr) Fuse/relay box G202 (left side of instrument cluster) Hot at all times Ignition switch Instrument cluster Left front etr squib (base of left "b" pillar) Nca Off Ohm Passenger air bag squib 1 Passenger air bag squib 2 Pnk Right front etr squib (base of right "b" pillar) Run Srs ind Start Test connection for diagnosis x11/4 (top of module box)
WARNING SYSTEMS Warning System Wiring Diagrams for Mercedes-Benz 300E 1993 List of elements for Warning System Wiring Diagrams for Mercedes-Benz 300E 1993: 22 C13 Convenience relay Dome/reading lamps Driver's seat belt switch (in driver's seat belt buckle) Exterior lamp failure monitoring unit (fuse/relay box) Exterior lamp switch (pin 4) Fuse 8a Fuse/ relay box G202 (left side of instrument cluster) G302 (below center console) G908 (center of wind- shield header) Hot at all times Hot in run or start Instrument cluster Interior lights system Left front door switch Right air outlet illumination Right front door switch Seat belt ind x3 Warning buzzer switch (part of ignition switch) Warning module (behind right side of instrument cluster) X1/4
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Mercedes-Benz 300E 1993 List of elements for Front Wiper/Washer Wiring Diagram for Mercedes-Benz 300E 1993: 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 300E 1993 List of elements for Headlight Washer/Wiper Wiring Diagram for Mercedes-Benz 300E 1993: 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 300E 1993 List of elements for Heated Windshield Washer Wiring Diagram for Mercedes-Benz 300E 1993: 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