This comprehensive 1971 Mercedes W114 and W115 Service and Repair Manual provides detailed instructions and diagrams for maintaining, servicing, diagnosing, and repairing your vehicle. It covers all models and all repairs, from A to Z. This is the same manual used by technicians at dealerships, ensuring you receive the most accurate and up-to-date information.

The manual includes step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications to help you confidently repair your vehicle. It covers a wide range of topics, including:

* **Maintenance:** Routine maintenance procedures, schedules, and specifications.
* **Engine:** Detailed information on engine components, operation, troubleshooting, and repair procedures.
* **Control System:** Explanation of the engine control system and its components, troubleshooting guides, and repair instructions.
* **Fuel Service Specifications:** Comprehensive information on fuel system components, operation, and specifications.
* **Emission Control:** Detailed information on emissions systems, components, troubleshooting, and repair.
* **Intake Exhaust Cooling:** Explanation of the intake and exhaust systems, cooling systems, and related components.
* **Lube:** Information on lubrication systems, fluid types, and maintenance procedures.
* **Ignition Starting Charging:** Detailed information on ignition, starting, and charging systems, troubleshooting guides, and repair instructions.
* **Auto Transmission Clutch:** Explanation of automatic transmission components, operation, troubleshooting, and repair procedures.
* **Manual Transmission:** Information on manual transmissions, components, and repair instructions.
* **Transfer Propeller Shaft:** Details on transfer case, propeller shaft, and related components.
* **Drive Shaft:** Explanation of drive shafts and related components.
* **Differential:** Information on differentials, components, troubleshooting, and repair instructions.
* **Axle Suspension:** Details on axle and suspension systems, components, and repair procedures.
* **Tire & Wheel:** Information on tires, wheels, and related components.
* **Brake Control:** Explanation of brake control systems, components, and repair instructions.
* **Brake:** Detailed information on brakes, components, troubleshooting, and repair procedures.
* **Parking Brake:** Explanation of parking brakes, components, and repair instructions.
* **Steering Column:** Information on steering columns, components, and repair procedures.
* **Power Steering:** Details on power steering systems, components, troubleshooting, and repair instructions.
* **Air Condition:** Explanation of air conditioning systems, components, troubleshooting, and repair procedures.
* **Suppl Restraint System:** Information on supplemental restraint systems, components, and repair instructions.
* **Seat Belt:** Details on seat belts, components, and repair instructions.
* **Engine Immobilizer:** Explanation of engine immobilizer systems, components, and repair procedures.
* **Cruise Control:** Information on cruise control systems, components, and repair instructions.
* **Wiper & Washer:** Details on windshield wiper and washer systems, components, and repair procedures.
* **Door Lock:** Explanation of door lock systems, components, and repair instructions.
* **Meter Audio/Visual:** Information on instrument panels, gauges, and related components.
* **Horn:** Details on horn systems, components, and repair instructions.
* **Windshield/Glass Mirror:** Explanation of windshield, glass, and mirror systems, and repair procedures.
* **Instrument Panel:** Information on instrument panels, components, and repair procedures.
* **Seat:** Details on seat systems, components, and repair instructions.
* **Engine Hood/ Door:** Explanation of engine hood and door systems, components, and repair procedures.
* **Exterior & Interior:** Information on exterior and interior components, and repair instructions.
* **Electrical:** Comprehensive information on electrical systems, components, troubleshooting, and repair procedures.
* **Multiplex/ Can Communication:** Explanation of multiplex and CAN communication systems, components, and troubleshooting guides.

With this manual, you have all the information you need to service and repair your 1971 Mercedes W114 or W115, saving you time and money.

The 1971 Mercedes-Benz W114 and W115, collectively known as the "Stroke Eight," marked a pivotal moment in the evolution of the renowned German automaker. These models represented a departure from the previous "fin-tailed" generation, introducing a more modern and streamlined aesthetic. The W114, designated as the "230," "250," and "280" models, comprised the four-door sedan variants. Conversely, the W115, encompassing the "200D," "220D," and "240D" models, featured a two-door coupe body style. While sharing the same chassis, the W114 and W115 were distinguished by their engine configurations. The W114 models were powered by gasoline engines, ranging from the 2.3-liter M115 in the 230 to the 2.8-liter M115 in the 280. The diesel-powered W115 models, on the other hand, utilized the OM615 engine, with displacements ranging from 2.0 liters in the 200D to 2.4 liters in the 240D. The Stroke Eight, with its refined styling and robust engineering, garnered considerable success, becoming a significant contributor to Mercedes-Benz's burgeoning global reputation.

The 1971 W114 and W115 offered a unique blend of practicality and performance. The sedan body style provided ample space for passengers and cargo, while the coupe variant appealed to those seeking a sportier driving experience. Both models were known for their sturdy construction, comfortable interiors, and reliable mechanicals. The W114 and W115 featured an independent suspension system on all four wheels, providing a smooth and controlled ride. The brakes were disc brakes on all four wheels, offering superior stopping power. Despite their age, the Stroke Eight models remain highly sought after today, cherished for their timeless design, engineering excellence, and enduring quality. These vehicles continue to captivate enthusiasts, serving as a testament to Mercedes-Benz's commitment to building vehicles that stand the test of time.