This comprehensive 1974 Mercedes W114 and W115 Service and Repair Manual provides you with detailed instructions and specifications for maintaining, servicing, diagnosing, and repairing your vehicle. This manual is specifically tailored for the 1974 Mercedes W114 and W115 models, offering a wealth of information not found in generic repair guides.

Inside, you'll discover step-by-step instructions, clear diagrams, illustrations, and wiring schematics to guide you through every aspect of vehicle repair. The manual covers a vast array of topics, including maintenance procedures, engine components, control systems, mechanical systems, fuel service specifications, emission control systems, intake-exhaust cooling, lubrication, ignition starting and charging, automatic and manual transmission, transfer and propeller shafts, drive shafts, differentials, axles, suspension, tires and wheels, brake control systems, parking brakes, steering columns, power steering, air conditioning, supplemental restraint systems, seat belts, engine immobilizers, cruise control, wipers and washers, door locks, meters and audio-visual systems, horns, windshields and glass mirrors, instrument panels, seats, engine hoods and doors, exterior and interior components, electrical systems, multiplex and CAN communication, and much more.

This manual is your ultimate resource for understanding and working on your 1974 Mercedes W114 and W115. It empowers you to tackle repairs with confidence and save money on professional service costs.

The 1974 Mercedes-Benz W114 and W115, affectionately known as the "Stroke 8" due to their signature eight-cylinder engines, represented a significant evolution for the German automaker. Introduced in 1968, these models were the first to feature a unibody construction, replacing the traditional separate chassis. This innovative design not only improved overall rigidity and safety but also facilitated a more spacious and comfortable interior. The W114 and W115 were also distinguished by their elegant, understated design, spearheaded by the renowned stylist Paul Bracq. Their long, flowing lines, coupled with subtle chrome accents, embodied the timeless elegance associated with Mercedes-Benz. Under the hood, the W114 and W115 offered a range of powerful and refined engines, including the iconic 2.5-liter and 2.8-liter six-cylinder units, as well as the powerful 3.5-liter V8. The inclusion of a five-speed manual transmission further enhanced the driving experience, offering both spirited performance and remarkable fuel efficiency for their time.

Beyond their mechanical prowess, the W114 and W115 models celebrated a commitment to safety and comfort. Features like a rigid passenger compartment, padded instrument panel, and a comprehensive suite of safety belts ensured a high level of occupant protection. Inside, the cabin was designed with a focus on practicality and luxury. The spacious interior featured high-quality materials, plush upholstery, and well-designed ergonomics. The W114 and W115 models became synonymous with reliability and longevity, earning a reputation for their robust construction and meticulous engineering. Their enduring popularity, even after more than five decades, speaks to their quality and timeless appeal. To this day, these models remain highly sought-after by enthusiasts and collectors, representing a unique and significant chapter in Mercedes-Benz's illustrious history.