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1994 MERCEDES-BENZ S320 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
Mercedes-Benz -> Cooling Fans -> COMPONENT REPLACEMENT -> 190E -> 300CE, 300SD, 300SL, 400E, 500E, 500SEL, 500SL & 600SEL -> C220 -> COOLING FAN
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
COOLING FAN
Refer to Figs. and , for cooling fan replacement.
190E
- Disconnect cooling fan electrical connector.
- Remove front grille attaching screws, then remove.
- Disconnect horn electrical connectors, then remove radiator stiffener strut to radiator support attaching bolt.
- Remove center support attaching bolts, then remove.
- Remove fan grille upper and lower bracket attaching bolts.
- Remove fan attaching bolt, then remove fans.
- Reverse to install.
C220
- On models with retaining plate on bel...
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BRAKE SERVICE PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
Power Brake Units -> Power Brake Unit Service
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
- On models with manual transmission, disconnect hose and move toward master cylinder.
- On all models, remove master cylinder, Fig. .
- Disconnect vacuum line from brake b...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
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: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
- Raise vehicle and support.
- Unscrew exhaust shielding plate.
- On models with 4MATIC, unscrew exhaust shielding plate.
- Lift transmission and support.
- Unscrew cross bridge.
- Unscrew hex, head screws and hex nut and remove rear engine carrier with engine mount.
- On all models, loosen propeller shaft clamping nut for approx. two turns without sliding back rubber sleeve (sliding along).
- Remove front propeller shaft from transmission. Flexible coupling remains on propeller shaft.
- Remove front propeller shaft from transfer case.
- Prior to sliding back propeller shaft, loosen vulcanized fitted ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
Starter, Replace
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
- Disconnect battery ground cable.
- Remove air cleaner assembly.
- Remove starter electrical harness bracket to transmission attaching bolts, then remove.
- Remove engine compartment enclosure attaching screws, then remove.
- Dis...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
Cabin Air Filter Service -> Mercedes-Benz -> 1994-99 S Class
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 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 1994 MERCEDES-BENZ S320 AUTOMOBILES
Mercedes-Benz -> Check Engine Oil Level ->
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
A sensor mounted in the engine oil pan allows engine oil level to be displayed on the instrument panel trip odometer window. With the vehicle parked on a level surface, engine warmed up and shut off for 5 minutes, place ignition switch in the On position. An oil level icon along with a clock icon should appear in the trip odometer window. Press the knob to the left of the speedometer twice. The message OK, 1.0 qt., 1.5 qt., 2.0 qts., or...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
Radiator, Replace
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
- Remove lower engine compartment cowling, then drain coolant.
- Remove upper and lower radiator hoses.
- On models equipped with automatic transmission,disconnect ATF cooler lines.
- Remove air sco...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS
- Remove viscous fan clutch.
- Swivel tensioning pulley clockw...
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COMPONENT LOCATION DIAGRAMS FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
Component location diagrams for most 1994 MERCEDES-BENZ S320 cars and light trucks sold in the U.S. from 1990+.
Engine Compartment Automatic Climate Control Components Diagram for 1994 MERCEDES-BENZ S320 3.2 L6 GAS Components on diagram: |
Engine Sensors Diagram for 1994 MERCEDES-BENZ S320 3.2 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
OEM drawn wiring diagrams for most 1994 MERCEDES-BENZ S320 cars and light trucks sold in the U.S.
1994 MERCEDES-BENZ S320 3.2 L6 GAS Wiring Diagram Components on diagram: |
1994 MERCEDES-BENZ S320 3.2 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
OEM TSB listings for most 1994 MERCEDES-BENZ S320 cars and light trucks sold in the U.S. from 1985+.
Document: Introduction of Improved Single-Component Windshield/Window Bonding System Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS Auto Systems: |
Document: Headlamp Color and/or Brightness Difference When Changing Xenon Bulb Vehicle: 1994 MERCEDES-BENZ S320 3.2 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1994 MERCEDES-BENZ S320 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 MERCEDES-BENZ S320 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 1994 MERCEDES-BENZ S320 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 1994 MERCEDES-BENZ S320 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 1994 MERCEDES-BENZ S320 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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