This comprehensive Mercedes 300TD Turbo Service Repair Manual covers models from 1981 to 1985, providing detailed instructions and guidance for all aspects of vehicle maintenance and repair. The manual serves as an indispensable resource for both professional mechanics and DIY enthusiasts, empowering them to diagnose and resolve a wide range of issues. Within this manual, you will find detailed instructions for inspecting, disassembling, rebuilding, and assembling components, ensuring accurate and efficient repair procedures. The manual encompasses a broad spectrum of topics, including: * **Engine Maintenance:** Engine oil and filter change, valve clearance adjustments, checking and adjusting idle speed, injection timing adjustments, fuel filter replacement, air filter maintenance, V-belt inspection, oxygen sensor replacement, spark plug inspection and replacement, coolant level and antifreeze protection checks, cooling and heating system maintenance, and engine stop adjustments. * **Transmission and Drivetrain:** Clutch disk wear inspection, manual transmission oil change, automatic transmission fluid and filter change, transfer case fluid change, clutch system inspection and fluid level checks, and drive shaft flexible coupling inspection. * **Suspension and Steering:** Suspension and body structure inspection, self-leveling suspension inspection, front axle oil level checks, ball joint inspection, rear axle oil change, rear axle mount adjustment, wheel inspection and rotation, tire pressure correction, and steering play checks. * **Brakes:** Brake fluid level checks, brake line inspection, brake pad and disk thickness inspection, parking brake cable inspection and adjustment, brake fluid replacement, and brake test procedures. * **Electrical and Lighting:** Battery fluid level checks, warning and indicator lamp inspection, water drain cleaning, headlamp and exterior lamp inspection, windshield and headlamp wiper and washer inspection, and windshield wiper blade replacement. * **Climate Control:** AC refrigerant charge checks, dust filter replacement, active charcoal filter replacement, recirculating air filter replacement, and folding side mirror lubrication. * **Body and Interior:** Door hinge and lock lubrication, hydraulic top fluid level checks, sunroof cleaning and greasing, soft top locking tab inspection, windshield washer fluid level checks, cassette deck tone head cleaning, antenna mast cleaning, safety belt inspection, backrest lock operation checks, and lower noise encapsulation panel removal and installation. With its comprehensive coverage, clear illustrations, and step-by-step instructions, this Mercedes 300TD Turbo Service Repair Manual is an essential tool for anyone seeking to maintain and repair their vehicle with confidence.

The Mercedes-Benz 300 TD Turbo, produced from 1981 to 1985, marked a pivotal moment in the evolution of diesel-powered passenger cars. This luxurious and powerful sedan was the first iteration of Mercedes-Benz's 300 TD line, and it quickly gained a reputation for its blend of performance, comfort, and fuel efficiency. The 300 TD Turbo was powered by a 3.0-liter inline-five cylinder diesel engine, equipped with a turbocharger that significantly enhanced its performance. The engine, coupled with a robust five-speed manual transmission, provided ample power and torque for effortless cruising on both highways and city streets. The 300 TD Turbo was offered in both saloon and wagon body styles, offering practicality and versatility for a variety of drivers. Beyond its mechanical prowess, the 300 TD Turbo embodied the hallmark luxury and refinement expected of a Mercedes-Benz. The interior featured high-quality materials, plush seating, and a comprehensive array of amenities, including a sophisticated air conditioning system and advanced sound insulation for a quiet and comfortable ride. The 300 TD Turbo's success established Mercedes-Benz as a leader in the burgeoning diesel passenger car market and paved the way for future generations of diesel-powered luxury vehicles. While the 300 TD Turbo is now a classic, its legacy lives on in the modern Mercedes-Benz line, demonstrating the enduring impact of this pioneering model in the automotive world.