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MERCEDES-BENZ S420 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about MERCEDES-BENZ S420 car and truck
repair procedures including MERCEDES-BENZ engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your MERCEDES-BENZ S420 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported MERCEDES-BENZ S420 cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1998-2000 -> Oil Charge -> 2.5 & 3.5 TL -> 3.5 RL -> 3000GT -> 4Runner -> 626 -> Accent -> Accord -> Acura -> Amigo, Rodeo & Trooper -> Audi -> Avalon -> B-Series Pickup -> BMW -> Boxster & 911 -> Cabrio, Golf, GTI & Jetta -> Camry & Camry Solara -> Celica & Echo -> Civic w/Nippondenso Compressor & CR-V -> Civic w/Sanden Compressor -> CL -> Corolla -> Diamante -> Eclipse -> Elantra & Triburon -> ES300 -> Forester & Legacy -> Galant -> GS300 & GS400 -> Hombre -> Honda -> Hyundai -> Impreza -> Infiniti -> Insight, Prelude & S2000 -> Integra -> Isuzu -> Jaguar -> Kia -> Land Cruiser -> Lexus -> LS400 -> LX450 & LX470 -> Mazda -> Mercedes Benz -> Miata -> Millenia -> Mirage -> Mitsubishi -> Montero -> Montero Sport -> MPV -> New Beetle -> Nissan -> Oasis -> Odyssey -> Outback -> Passat -> Passport -> Pickup -> Porsche -> Protege -> RAV4 -> RX300 -> Saab -> SC300 & SC400 -> Sienna & Tacoma -> SLX -> Sonata -> Subaru -> Supra -> Suzuki -> T100 & Tundra -> Tercel -> Toyota -> Volkswagen -> Volvo
Vehicle: 1998 MERCEDES-BENZ S420 4.2 V8 GAS
Remove defective components. Add the proper amount of oil to each replacement component. Most recovery/recycling equipment will measure the amount of oil being removed. This is the amount of oil to be added back to the system, follow manufactures instructions provided with the recovery/recycling station.
Acura
Integra
When replacing compressor drain old and new units. Add oil to new compressor equal to 5.0 oz. minus amount drained from old unit, but do not add more than 1.7 oz. of oil.
When replacing other system components add the following amount of new oil...
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BRAKE SERVICE PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported MERCEDES-BENZ S420 cars and light trucks from 1990+.
Disc Brakes -> Rotor Replacement
Vehicle: 1995 MERCEDES-BENZ S420 4.2 V8 GAS
- Remove caliper as previously described. Do not disconnect brake hose.
- On front rotors, remove brake carrier from steering knuckle.
- On rear rotors, disconnect parking brake.
- On all models, remove mounting bolts and brak...
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FUEL FILTER REPLACEMENT PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported MERCEDES-BENZ S420 cars and light trucks sold in the U.S. for 1980+.
Mercedes-Benz -> Component Locations -> S320, SL320, S420, S430, S500, S600, SL500, SL600 & 1993-92 300SE, 300SL, 400SE, 400SEL, 500SEC, 500SEL, 500SL, 600SEC, 600SEL & 600SL
Vehicle: 1998 MERCEDES-BENZ S420 4.2 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported MERCEDES-BENZ S420 cars and light trucks from 1990+.
DRIVESHAFT, Replace
Vehicle: 1996 MERCEDES-BENZ S420 4.2 V8 GAS
- Raise and support vehicle.
- Disconnect exhaust system, then the shields, Fig. .
- Remove fuel pump cover.
- Remove seat belt bracket mounting bolts.
- Remove mounting bolts and driveshaft reinforcement bridge.
- Remove clamping nut,
- Loosen intermediate bearing mounting bolts.
- Remove mounting bolts and nuts, then disconnect front driveshaft from transmission. Flexible disc remains on driveshaft.
- Remove mounting bolts and nuts, then disconnect rear driveshaft from differential carrier. Flexible disc remains on driveshaft.
- Loosen flexible discs fitted sleeves using suitable 6-inch long, .3974-.4...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported MERCEDES-BENZ S420 cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1997 MERCEDES-BENZ S420 4.2 V8 GAS
- Remove drive belt.
- Remove protective cover, as required, and disconnect electrical connectors.
- Remove ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported MERCEDES-BENZ S420 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Mercedes-Benz -> 1994-99 S Class
Vehicle: 1994 MERCEDES-BENZ S420 4.2 V8 GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Open the hood.
- Pull the up cowl seal.
- Disconnect the vacuum hoses from the main air flap actuators.
- Lift up the air plenum housing.
- Turn the windshield heating thermal valve counterclockwise to disengage.
- Lift the outside temperature sensor upward and pos...
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MAINTENANCE LAMP RESET PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported MERCEDES-BENZ S420 cars and light trucks sold in the U.S. from 1990+.
Mercedes-Benz -> Adaptive Dampening System (ADS) Warning Lamp ->
Vehicle: 1997 MERCEDES-BENZ S420 4.2 V8 GAS
The Adaptive Dampening System (ADS) warning lamp, will illuminate when the ignition switch is placed in the On position to indicate the warning lamp is operational. The lamp should go off when the engine is started. If the warning lamp remains on after the engine has been started or while driving the vehicle, a fault in the ADS has been detected. While the fault i...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported MERCEDES-BENZ S420 cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1995 MERCEDES-BENZ S420 4.2 V8 GAS
Lower
- Drain coolant into a suitable container.
- Reposition clamp at radiator and remove hose.
- Reposition clamp at water pump and remove hose.
- Remove hose from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR MERCEDES-BENZ S420 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported MERCEDES-BENZ S420 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1998 MERCEDES-BENZ S420 4.2 V8 GAS
- Remove fan shroud ring and place over fan.
- On first versions, proceed as follows:
- Loosen adjusting bolt 1/4-1/2 turn.
- Loosen tensioning nut (turn to left).
- Remove drive belt.
- Inspect pulley surfaces and replace as required.
- Set pointer at marking 1.
- Install belt starting at tensioning pulley.
- Tighten tensioning nut until setting point...
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COMPONENT LOCATION DIAGRAMS FOR MERCEDES-BENZ S420 AUTOMOBILES
Component location diagrams for most MERCEDES-BENZ S420 cars and light trucks sold in the U.S. from 1990+.
 TCM & Starter Lockout Relay Diagram for 1997 MERCEDES-BENZ S420 4.2 V8 GASComponents on diagram: |
 Electronic Mirror/Steering Column Control Module Diagram for 1997 MERCEDES-BENZ S420 4.2 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR MERCEDES-BENZ S420 AUTOMOBILES
OEM drawn wiring diagrams for most MERCEDES-BENZ S420 cars and light trucks sold in the U.S.
 1998 MERCEDES-BENZ S420 4.2 V8 GAS Wiring DiagramComponents on diagram: |
 1998 MERCEDES-BENZ S420 4.2 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR MERCEDES-BENZ S420 AUTOMOBILES
OEM TSB listings for most MERCEDES-BENZ S420 cars and light trucks sold in the U.S. from 1985+.
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Document: WARRANTY - REVISED WORK SCHEDULE Vehicle: 1995 MERCEDES-BENZ S420 4.2 V8 GAS Auto Systems: |
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Document: CORROSION PROTECTION WITHOUT HEXAVALENT CHROMIUM VI Vehicle: 1995 MERCEDES-BENZ S420 4.2 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR MERCEDES-BENZ S420 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most MERCEDES-BENZ S420 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most MERCEDES-BENZ S420 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most MERCEDES-BENZ S420 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most MERCEDES-BENZ S420 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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