This comprehensive Mercedes 300E 4MATIC Service Repair Manual covers the years 1990 to 1993 and provides detailed instructions and guidance for maintaining and repairing your vehicle. The manual is an essential tool for mechanics, DIY enthusiasts, and anyone looking to understand the intricacies of this model. It includes step-by-step procedures for a wide range of maintenance tasks and repairs, ensuring you have the information you need to handle most common issues. The manual covers a broad range of topics, from basic maintenance like oil changes and filter replacements to more complex repairs involving the engine, transmission, suspension, brakes, and electrical systems. You'll find detailed instructions on inspecting components, replacing parts, and adjusting systems for optimal performance. The content within the manual includes sections on: * **Inspecting component condition:** Includes thorough guides on inspecting the condition of various components, lines, and hoses throughout the vehicle. * **Suspension and body structure inspection:** Provides instructions for inspecting the suspension system for wear and damage, as well as the body structure for corrosion and structural integrity. * **Engine maintenance:** Offers detailed procedures for tasks like engine oil and filter changes, valve clearance adjustments, checking and adjusting idle speed, and replacing fuel filters and air filters. * **Transmission maintenance:** Covers essential procedures for both manual and automatic transmissions, including fluid changes, filter replacements, and level checks. * **Transfer case and clutch system:** Provides guidance on fluid changes, level checks, and inspections for the transfer case and clutch system. * **Axle maintenance:** Guides you through procedures for front and rear axle oil changes, level checks, and component inspections. * **Brake system:** Includes comprehensive instructions on inspecting brake fluid levels, checking brake lines and pads, inspecting and cleaning brake disks, adjusting the parking brake, and replacing brake fluid. * **Steering system:** Provides instructions for checking power steering fluid levels, inspecting steering play, and retightening steering bolts. * **Fuel and exhaust systems:** Covers procedures for checking fuel system condition, retightening exhaust flanges and connections, and inspecting and replacing components. * **Electrical system:** Includes steps for checking battery fluid levels, warning and indicator lamps, and cleaning water drains. * **Body and interior:** Offers guidance on removing and installing panels, lubricating door hinges and locks, cleaning and greasing sunroof and soft top rails, checking and correcting windshield washer fluid levels, cleaning cassette deck tone heads and antennas, and inspecting safety belts. * **Heating and ventilation:** Provides instructions for checking and correcting AC refrigerant charges, replacing dust filters, active charcoal filters, and recirculating air filters. * **Exterior:** Includes guidance on lubricating folding side mirrors and hoods, inspecting headlamps and exterior lamps, replacing windshield wiper blades, and inspecting and maintaining windshield and headlamp wipers and washers. With its comprehensive coverage and detailed instructions, this Mercedes 300E 4MATIC Service Repair Manual ensures you have the knowledge and tools to maintain and repair your vehicle effectively.

The Mercedes-Benz 300 E 4MATIC, produced from 1990 to 1993, marked a significant step forward in the evolution of the iconic E-Class lineup. This luxurious sedan, built upon the W124 platform, was the first to feature Mercedes' revolutionary 4MATIC all-wheel drive system, offering superior traction and handling in all weather conditions. The 300 E 4MATIC was powered by a robust 3.0-liter inline-six engine, producing a respectable 188 horsepower. This engine, renowned for its smooth operation and reliability, was mated to a four-speed automatic transmission, providing a comfortable and effortless driving experience. The 300 E 4MATIC was lauded for its refined suspension, offering a balance between a supple ride and precise handling. Its spacious and luxurious interior boasted high-quality materials, plush seats, and a range of creature comforts, ensuring a premium experience for both driver and passengers. Beyond its mechanical prowess and luxurious appointments, the 300 E 4MATIC stood out with its advanced safety features. It was equipped with standard anti-lock brakes (ABS), a significant safety innovation at the time. The robust construction and comprehensive safety features made the 300 E 4MATIC a highly desirable and safe vehicle. Despite its age, the 300 E 4MATIC remains a coveted classic among Mercedes enthusiasts, appreciated for its blend of luxury, performance, and reliability. Its enduring appeal stems from its timeless design, robust engineering, and undeniable presence on the road. For those seeking a taste of Mercedes history and a vehicle that combines classic elegance with modern practicality, the 300 E 4MATIC remains a compelling choice.