This comprehensive 1973 Mercedes W114 and W115 Service and Repair Manual provides detailed instructions and diagrams for maintaining, servicing, diagnosing, and repairing your vehicle. It's the exact same manual used by technicians at dealerships, offering vehicle-specific information.

The manual covers all models and repairs from A to Z, giving you everything you need to confidently tackle any task. You'll find step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications to ensure a smooth and successful repair.

This manual covers a wide range of topics, including:

* **Maintenance:** Regular upkeep, preventative care, and recommended service intervals.
* **Engine:** Thorough coverage of engine components, including the fuel system, intake, exhaust, cooling system, lubrication, ignition, starting, and charging systems.
* **Transmission:** Detailed information on both automatic and manual transmissions, including clutch, transfer case, propeller shaft, drive shaft, differential, and axle.
* **Suspension:** Comprehensive guidance on the suspension system, covering tires, wheels, brakes, parking brake, steering column, power steering, and suspension components.
* **Electrical Systems:** In-depth coverage of the electrical system, including the multiplex and CAN communication systems, wiring schematics, and troubleshooting guides.
* **Climate Control:** Detailed instructions for servicing and repairing the air conditioning system.
* **Body and Interior:** Information on the body, interior, seat belts, engine hood, doors, exterior, and interior components.
* **Safety Systems:** Detailed information on supplementary restraint systems, engine immobilizers, and cruise control.
* **Other Systems:** Coverage of features like the wiper and washer system, door locks, meter and audio/visual components, horn, windshield/glass, mirrors, instrument panel, seats, and more.

This manual empowers you with the knowledge and instructions to perform a wide array of repairs, saving you time and money while giving you a deeper understanding of your vehicle.

The 1973 Mercedes-Benz W114 and W115, commonly known as the "Stroke 8," were mid-size sedans that marked a significant shift in Mercedes' design philosophy. Introduced in 1968, these models represented a departure from the traditional, boxy styling of previous generations, embracing a more streamlined and modern aesthetic. The W114 and W115 offered a range of six-cylinder engines, including the iconic 2.5-liter and 2.8-liter variants, renowned for their smooth power delivery and durability. These engines were paired with either a four-speed manual or a three-speed automatic transmission, providing a comfortable and refined driving experience.

Beyond their aesthetic and mechanical improvements, the W114 and W115 models prioritized safety features. They were equipped with a robust, fully independent suspension system that provided exceptional handling and ride comfort. Furthermore, they incorporated safety features such as a crumple zone design, padded dashboard, and a rigid passenger cell, setting a new standard for passenger protection within the automotive industry. These models were highly successful, playing a crucial role in establishing Mercedes-Benz's reputation for quality, reliability, and safety, solidifying their status as a leading luxury automaker. Today, these cars are highly sought-after by collectors and enthusiasts who appreciate their classic styling, robust engineering, and enduring appeal.