The Mercedes-Benz 380 SEC, part of the First Generation W126 Coupe lineup, represents a significant chapter in luxury personal automotive design. Produced between 1981 and 1985, this C126 coupe was engineered to offer a superior blend of performance and refinement, competing with other high-end European vehicles of its time. Its elegant, pillarless design, coupled with a potent 3.8L V8 engine featuring Bosch K-Jetronic fuel injection, delivered smooth power delivery and a comfortable driving experience. The 380 SEC showcased a commitment to quality, incorporating advanced (for the era) suspension and braking systems, luxurious interior appointments, and sophisticated styling, all hallmarks of an esteemed heritage.

This comprehensive factory workshop service repair manual provides in-depth guidance for the maintenance, repair, and diagnostics of the Mercedes-Benz 380 SEC. It covers a wide array of systems, including the engine mechanicals, fuel injection, ignition, cooling, lubrication, exhaust, transmission, drivetrain, suspension, steering, braking, and HVAC systems. Additionally, it details electrical systems, bodywork, interior, and exterior trim. The manual offers procedures for routine maintenance, component removal and installation, adjustments, troubleshooting, and diagnostics, including interpretation of diagnostic trouble codes. With extensive technical specifications, torque values, fluid capacities, and special tool requirements, this resource is an indispensable tool for owners, mechanics, and technicians seeking to preserve the integrity and performance of their 380 SEC.