The Mercedes-Benz 114/115 series, also known as the 'Neue Klasse' or 'New Class', represents the first generation of Mercedes-Benz's mid-size luxury vehicles, produced from 1968 to 1976. These chassis codes, W114 and W115, encompass a range of body styles including 4-door sedans and 2-door coupes, known for their solid build quality, sophisticated styling, and comfortable ride. Engineered with advanced features for their era, such as independent suspension and disc brakes, these vehicles quickly established Mercedes-Benz's reputation for reliability and longevity, becoming highly successful and desirable premium automobiles.

This comprehensive factory service manual provides detailed information for the complete service, repair, and maintenance of the Mercedes-Benz 114/115 series. It covers all essential vehicle systems, including engine diagnostics and repair, transmission maintenance, fuel and electrical systems, suspension, steering, and brakes. The manual includes step-by-step repair instructions, troubleshooting guides, and technical specifications, offering factory-level detail crucial for owners, mechanics, and technicians to maintain and restore these iconic vehicles to optimal condition.