This comprehensive service manual provides detailed instructions and technical specifications for maintaining and repairing your 1986-1987 Mercedes-Benz 124 Sedan 300D Turbo 3L. The manual covers a wide range of topics, including: * **Engine:** Detailed information on the 3.0L turbocharged diesel engine, including engine removal and installation, component identification, troubleshooting, and repair procedures. * **Transmission:** Thorough coverage of the automatic transmission, including troubleshooting, repair procedures, and adjustments. * **Electrical System:** Comprehensive guide to the electrical system, including wiring diagrams, component identification, troubleshooting, and repair procedures. * **Brakes:** Detailed instructions on the brake system, including brake pad replacement, rotor and drum servicing, and hydraulic system maintenance. * **Suspension and Steering:** In-depth information on the suspension and steering systems, including component identification, troubleshooting, and repair procedures. * **Bodywork:** Detailed instructions on bodywork repairs, including paint and trim removal, panel replacement, and rust repair. * **Interior:** Comprehensive guide to the interior, including upholstery removal and replacement, instrument panel repair, and climate control system maintenance. * **Troubleshooting Guides:** Extensive troubleshooting charts and diagrams for identifying and resolving common problems. With this service manual, you'll have all the information you need to keep your Mercedes-Benz 124 Sedan 300D Turbo 3L running smoothly and reliably.

The Mercedes-Benz 124 series 300D Turbo, produced from 1986 to 1987, is a classic example of German engineering and automotive excellence. This sedan embodies the timeless elegance and robust reliability that Mercedes-Benz is known for. It features a powerful 3.0-liter turbocharged diesel engine, delivering a smooth and potent driving experience, while maintaining remarkable fuel efficiency. The engine, code-named OM603, generates 126 horsepower and 177 lb-ft of torque, pushing the car to a respectable top speed. The 300D Turbo boasts a comfortable and spacious interior, featuring high-quality materials and meticulous craftsmanship. The plush seats provide ample support, while the dashboard layout emphasizes functionality and user-friendliness. Its durable construction and sophisticated design have contributed to the car's enduring popularity among enthusiasts who appreciate its combination of performance, practicality, and timeless appeal. Despite its age, the Mercedes-Benz 124 300D Turbo remains a highly sought-after classic car. Its robust build, proven reliability, and enduring style make it a valuable investment for collectors and enthusiasts alike. The 300D Turbo's diesel engine, known for its longevity and fuel efficiency, continues to be a desirable feature, especially in today's world of rising fuel costs. The car's inherent durability and robust engineering have allowed many examples to survive the test of time, with countless owners still enjoying their daily commutes or weekend drives in these timeless vehicles. The 124 series 300D Turbo is more than just a car; it is a testament to Mercedes-Benz's commitment to excellence and a symbol of lasting quality, making it a true icon in the automotive world.