The Mercedes-Benz 350 SD Turbo, model code W140.135, represents a pinnacle of luxury and engineering from 1991. As a full-size luxury sedan, it was designed for affluent individuals seeking exceptional comfort, robust performance, and advanced automotive technology. This model embodies Mercedes-Benz's renowned heritage of quality construction, refined ride characteristics, and pioneering innovations. The turbocharged 3.5-liter inline-6 diesel engine, the OM603.971, provided a balance of power and efficiency, making it a sophisticated choice in its market segment, competing with other high-end sedans of its era.

This comprehensive workshop service and repair manual is an essential resource for maintaining and repairing the Mercedes-Benz 350 SD Turbo. It covers a wide array of systems, including the OM603.971 diesel engine, the 4-speed automatic transmission, suspension, steering, brakes, and the complete electrical system with detailed wiring diagrams. Within its extensive pages, you will find detailed procedures for routine maintenance, in-depth troubleshooting guides, engine and transmission overhaul instructions, brake system repairs, and diagnostics for various electrical components. This manual is designed to empower owners, mechanics, and technicians with the knowledge required to ensure the longevity and optimal performance of this exceptional vehicle.