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MERCEDES-BENZ 300SL 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 300SL 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 300SL automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR MERCEDES-BENZ 300SL 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 300SL cars and light trucks from 1990+
Mercedes-Benz -> Automatic Temperature Control Systems -> DIAGNOSIS & TESTING -> 124, 129 & 140 SERIES -> 201 SERIES -> PRECAUTIONS -> SYSTEM TEST -> System Test Using Socket Box -> Using Impulse Output Counter -> Using Socket Box
Vehicle: 1991 MERCEDES-BENZ 300SL 3.0 L6 GAS
124, 129 & 140 SERIES
PRECAUTIONS
When conducting test procedures, adapter tools No. 124-589-00-21-00 and No. 124-589-16-63-00 or equivalents, and a multi-meter must be used.
- Check ventilation blower for the temperature sensor interior air as follows:
- Turn ignition to ON position.
- Place approximately 1/4 inch piece of paper against grid of temperature sensor interior air.
- Paper must remain in position.
- If not, remove glove box and check ventilation blowers connections and operation.
- Remove control unit as ...
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BRAKE SERVICE PROCEDURES FOR MERCEDES-BENZ 300SL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported MERCEDES-BENZ 300SL cars and light trucks from 1990+.
MERCEDES-BENZ, HYDRAULIC BRAKE SYSTEMS -> HYDRAULIC BRAKE SYSTEMS -> BLEEDING BRAKES
Vehicle: 1992 MERCEDES-BENZ 300SL 3.0 L6 GAS
On Vehicles Equipped With Anti-Lock Brakes Refer To "Anti-Lock Brake Systems."
Whenever new brake components are installed in the hydraulic system, it is recommended that the entire system be bleed. It may sometime become necessary to flush out the system due to the presence of mineral oil, kerosene, gasoline, etc., which will cause swelling of rubber pistons so that they become inoperative.
Pressure bleeding is recommended for all hydraulic brake systems, follow pressure bleeder manufacturers instructions. To remove air bubbles from master cylinder, with brake pedal bleeder scr...
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FUEL FILTER REPLACEMENT PROCEDURES FOR MERCEDES-BENZ 300SL AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported MERCEDES-BENZ 300SL 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: 1992 MERCEDES-BENZ 300SL 3.0 L6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR MERCEDES-BENZ 300SL AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported MERCEDES-BENZ 300SL cars and light trucks from 1990+.
DRIVESHAFT, Replace
Vehicle: 1992 MERCEDES-BENZ 300SL 3.0 L6 GAS
- Raise vehicle and support.
- Unscrew exhaust shielding plate.
- On models with 4MATIC, unscrew exhaust shielding plate.
- Lift transmission and support.
- Unscrew hex, head screws and hex nut and remove rear engine carrier with engine mount.
- Unscrew cross bridge.
- 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 MERCEDES-BENZ 300SL AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported MERCEDES-BENZ 300SL cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1990 MERCEDES-BENZ 300SL 3.0 L6 GAS
- Disconnect battery ground cable at battery.
- Remove bottom engine compartment paneling.
- Remove electrical connections from starter.
- Remove starter mounting bolts.
- ...
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MAINTENANCE LAMP RESET PROCEDURES FOR MERCEDES-BENZ 300SL AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported MERCEDES-BENZ 300SL cars and light trucks sold in the U.S. from 1990+.
Mercedes-Benz -> Fuel Reserve & Fuel Cap Placement Warning Lamp ->
Vehicle: 1990 MERCEDES-BENZ 300SL 3.0 L6 GAS
The Fuel Reserve and Fuel Cap Placement warning lamp will illuminate when the ignition switch is placed in the On position to indicate the warning system is operational. After the engine has been started, the warning lamp should go off. If the warning lamp is blinking, the fuel tank filler cap is improperly installed or a leak in the fuel system has been detected. Properly install the fuel tank filler cap. If fuel tank filler cap was improperly...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR MERCEDES-BENZ 300SL AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported MERCEDES-BENZ 300SL cars and light trucks from 1990+
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1992 MERCEDES-BENZ 300SL 3.0 L6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition clamp on heat exchanger feed pipe and remove hose.
- Reposition clamp on engine and remove hose.
- Remove hose from vehicle.
- Reverse procedure to...
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SERPENTINE BELT SERVICE PROCEDURES FOR MERCEDES-BENZ 300SL AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported MERCEDES-BENZ 300SL cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace -> External Dampner -> Internal Dampner
Vehicle: 1990 MERCEDES-BENZ 300SL 3.0 L6 GAS
Internal Dampner
- Loosen bolt on tensioner pulley 1/4 to 1/2 turn.
- Rotate tensioner counterclockwise using suitable tool to remove drive belt.
- Remove drive belt.
- Clean and inspect belt surfaces of all pulleys.
- Reverse procedure to install, noting the following:
- Torque fan bolt to 72 in. lbs.
- T...
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COMPONENT LOCATION DIAGRAMS FOR MERCEDES-BENZ 300SL AUTOMOBILES
Component location diagrams for most MERCEDES-BENZ 300SL cars and light trucks sold in the U.S. from 1990+.
 Engine Compartment & Luggage Compartment Connectors Diagram for 1992 MERCEDES-BENZ 300SL 3.0 L6 GASComponents on diagram: |
 Starter & Cruise Control Components Diagram for 1991 MERCEDES-BENZ 300SL 3.0 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR MERCEDES-BENZ 300SL AUTOMOBILES
OEM drawn wiring diagrams for most MERCEDES-BENZ 300SL cars and light trucks sold in the U.S.
 1992 MERCEDES-BENZ 300SL 3.0 L6 GAS Wiring DiagramComponents on diagram: |
 1992 MERCEDES-BENZ 300SL 3.0 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR MERCEDES-BENZ 300SL AUTOMOBILES
OEM TSB listings for most MERCEDES-BENZ 300SL cars and light trucks sold in the U.S. from 1985+.
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Document: CONNECTOR FOR INTAKE AIR TEMPERATURE SENSOR DAMAGED Vehicle: 1993 MERCEDES-BENZ 300SL 3.0 L6 GAS Auto Systems: |
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Document: SRS MODULE UPDATED AND REPLACED - VEHICLES WITHOUT SIDE AIRBAGS Vehicle: 1992 MERCEDES-BENZ 300SL 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR MERCEDES-BENZ 300SL AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most MERCEDES-BENZ 300SL 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 300SL 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 300SL 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 300SL 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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