This comprehensive service and repair manual for the 1986 Mercedes W126 SE covers every aspect of your vehicle, providing the same in-depth information utilized by technicians at authorized dealerships. It's your definitive guide to maintaining, servicing, diagnosing, and repairing your car. The manual features detailed step-by-step instructions, accompanied by clear diagrams, illustrations, and wiring schematics. You'll find everything you need to tackle any repair with confidence, from routine maintenance to complex engine work. The manual covers a vast array of topics, including: * **Maintenance:** Regular servicing, fluid changes, and preventative measures. * **Engine:** Detailed information on the engine, its components, and troubleshooting guides. * **Control System:** Understanding and working with the vehicle's electronic systems. * **Mechanical:** Comprehensive coverage of the mechanical aspects of your car, including the drivetrain, suspension, and brakes. * **Fuel Service Specifications:** Precise details on fuel systems, injectors, and fuel delivery. * **Emission Control:** Information on emissions systems and related components. * **Intake Exhaust Cooling:** Details on intake and exhaust systems, cooling components, and related issues. * **Lube:** Lubrication systems, oil types, and proper maintenance procedures. * **Ignition Starting Charging:** Information on the ignition system, starting system, and charging system. * **Auto Transmission Clutch:** Detailed coverage of automatic transmission systems, including clutch operation. * **Manual Transmission:** Complete information on manual transmissions and associated components. * **Transfer Propeller Shaft:** Information on the transfer case, propeller shaft, and related systems. * **Drive Shaft:** Detailed information on the drive shaft, including maintenance and troubleshooting. * **Differential:** Explanation of differential operation, components, and potential issues. * **Axle Suspension:** Coverage of axle and suspension systems, including maintenance and repair. * **Tire & Wheel:** Information on tires, wheels, and related components. * **Brake Control:** Detailed information on brake control systems, including ABS. * **Brake:** Complete coverage of brake systems, including calipers, rotors, and pads. * **Parking Brake:** Information on parking brake operation and maintenance. * **Steering Column:** Understanding the steering column, its components, and potential issues. * **Power Steering:** Information on power steering systems and their maintenance. * **Air Condition:** Details on air conditioning systems, including operation and troubleshooting. * **Suppl Restraint System:** Information on the vehicle's restraint systems, including airbags. * **Seat Belt:** Details on seat belt systems and proper use. * **Engine Immobilizer:** Information on engine immobilizer systems and operation. * **Cruise Control:** Explanation of cruise control systems and their maintenance. * **Wiper & Washer:** Information on windshield wiper and washer systems. * **Door Lock:** Coverage of door lock systems and potential issues. * **Meter Audio/Visual:** Information on the instrument cluster, gauges, and warning systems. * **Horn:** Details on the horn system and potential issues. * **Windshield/Glass Mirror:** Understanding the windshield, mirrors, and related components. * **Instrument Panel:** Coverage of the instrument panel, including components and operation. * **Seat:** Information on seats, adjustability, and safety features. * **Engine Hood/ Door:** Details on the engine hood and doors, including operation. * **Exterior & Interior:** Information on the exterior and interior of the vehicle, including components and maintenance. * **Electrical:** Comprehensive coverage of the electrical system, including wiring diagrams. * **Multiplex/Can Communication:** Details on the vehicle's communication systems. This manual is an essential investment for anyone who wants to take control of maintaining and repairing their 1986 Mercedes W126 SE. With this detailed information, you'll save money on professional repairs and gain a deeper understanding of your car's intricate workings.

The 1986 Mercedes-Benz W126 SE, a symbol of luxury and engineering excellence, was a flagship sedan that marked the pinnacle of automotive sophistication in its era. This generation of the W126, launched in 1979, represented a significant evolution from its predecessor, boasting refined styling, advanced technology, and unparalleled comfort. The SE (Sonder Ausführung) designation denoted a higher level of trim and equipment, offering features like power-adjustable leather seats, automatic climate control, and a comprehensive suite of safety features. Under the hood, the W126 SE was available with a range of powerful, fuel-efficient engines, including the legendary M117 V8, renowned for its smooth power delivery and durability. The car's chassis, meticulously engineered for a comfortable and composed ride, employed a sophisticated multi-link suspension system, offering exceptional handling and stability. The 1986 W126 SE was a remarkable achievement in automotive engineering, blending timeless design with cutting-edge technology. Its spacious and luxurious interior, appointed with high-quality materials and meticulous craftsmanship, provided unparalleled comfort and refinement. The car's robust construction and meticulous build quality ensured exceptional durability and longevity, making it a highly sought-after classic among car enthusiasts. The 1986 Mercedes-Benz W126 SE remains a testament to the brand's unwavering commitment to engineering excellence, timeless design, and unparalleled luxury, solidifying its position as a true automotive icon.