1990 MERCEDES-BENZ 300E REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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1990 MERCEDES-BENZ 300E CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 MERCEDES-BENZ 300E 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 300E automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for MERCEDES-BENZ mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1990 MERCEDES-BENZ 300E vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

A/C & Cooling System Maintenance -> Mercedes-Benz -> 1990-2004
Vehicle: 1990 MERCEDES-BENZ 300E 4matic 3.0 L6 GAS

NOTE: Some Models Are Eq...

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BRAKE SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

MERCEDES-BENZ, ANTI-LOCK BRAKE SYSTEMS -> TROUBLESHOOTING
Vehicle: 1990 MERCEDES-BENZ 300E 4matic 3.0 L6 GAS

Refer to Fig. , for tr...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

Mercedes-Benz -> Fuel Filter Scheduled Maintenance -> 1980-02 Models w/Gasoline Engines -> Normal Service -> Severe Service
Vehicle: 1990 MERCEDES-BENZ 300E 2.6 2.6 L6 GAS

Normal Service

Replace e...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

DRIVESHAFT, Replace
Vehicle: 1990 MERCEDES-BENZ 300E 2.6 2.6 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 1990 MERCEDES-BENZ 300E AUTOMOBILES

Alternator, Replace
Vehicle: 1990 MERCEDES-BENZ 300E 2.6 2.6 L6 GAS

  • Disconnect battery ground cable at battery.
  • Remove air intake cover.
  • Remove electrical connecti...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

Mercedes-Benz -> Anti-Lock Brake System Warning Lamp ->
Vehicle: 1990 MERCEDES-BENZ 300E 2.6 2.6 L6 GAS

The Anti-Lock Brake (ABS) System 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 ABS has been detected. While the fault is present in the ABS, the ABS is switched off. When the ABS is ...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 MERCEDES-BENZ 300E 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 1990 MERCEDES-BENZ 300E AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1990 MERCEDES-BENZ 300E 3.0 L6 GAS

  • Remove fan and fan shroud.
  • Rotate tensioner counterclockwise using suitable tool to remove drive belt.
  • Remove drive belt.
  • Clean and i...

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COMPONENT LOCATION DIAGRAMS FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

Component location diagrams for most 1990 MERCEDES-BENZ 300E cars and light trucks sold in the U.S. from 1990+.

Rear Of Transmission Diagram for 1990 MERCEDES-BENZ 300E  3.0 L6 GASRear Of Transmission Diagram for 1990 MERCEDES-BENZ 300E 3.0 L6 GAS

Components on diagram:
  • Heated Oxygen Sensor
  • Behind LH Side Of I/P Diagram for 1990 MERCEDES-BENZ 300E  3.0 L6 GASBehind LH Side Of I/P Diagram for 1990 MERCEDES-BENZ 300E 3.0 L6 GAS

    Components on diagram:
  • Exterior Lamp Switch
  • Cruise Control Amplifier
  • Connector X
  • CLICK HERE TO GET FULL ACCESS TO 1990 MERCEDES-BENZ 300E PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

    OEM drawn wiring diagrams for most 1990 MERCEDES-BENZ 300E cars and light trucks sold in the U.S.

    1990 MERCEDES-BENZ 300E 4matic 3.0 L6 GAS Wiring Diagram1990 MERCEDES-BENZ 300E 4matic 3.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Power Window Relay
  • Starter
  • RH Door Switch
  • 1990 MERCEDES-BENZ 300E 4matic 3.0 L6 GAS Wiring Diagram1990 MERCEDES-BENZ 300E 4matic 3.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Central Locking System
  • Supply Pump
  • Seat Regulating Valve
  • CLICK HERE TO GET FULL ACCESS TO 1990 MERCEDES-BENZ 300E WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

    OEM TSB listings for most 1990 MERCEDES-BENZ 300E cars and light trucks sold in the U.S. from 1985+.

    Document: Introduction of Improved Single-Component Windshield/Window Bonding System
    Vehicle: 1990 MERCEDES-BENZ 300E 3.0 L6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Glass, Doors, Hood, Decklid, Tailgate, Liftgate, Locks
  • Document: Instrument Cluster Oil Level Messages
    Vehicle: 1990 MERCEDES-BENZ 300E 3.0 L6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 1990 MERCEDES-BENZ 300E TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 MERCEDES-BENZ 300E AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 MERCEDES-BENZ 300E 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 1990 MERCEDES-BENZ 300E 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 1990 MERCEDES-BENZ 300E 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 1990 MERCEDES-BENZ 300E 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

    CLICK HERE TO GET FULL ACCESS TO 1990 MERCEDES-BENZ 300E SPECIFICATIONS DATA!

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