This comprehensive 1986 Mercedes W126 SEC Service and Repair Manual provides detailed instructions, diagrams, and specifications for every aspect of your vehicle. It covers all models and repairs, from basic maintenance to complex engine and transmission work. This manual is the same one used by technicians at Mercedes dealerships, ensuring you have access to the most accurate and up-to-date information. Dive deep into the intricacies of your 1986 Mercedes W126 SEC with detailed instructions on: * **Engine:** Thoroughly understand your engine’s operation, including the fuel system, emission control, cooling system, lubrication, ignition, charging system, and more. * **Transmission:** Gain expertise in both automatic and manual transmissions, covering clutch systems, transfer cases, driveshafts, differentials, axles, and suspension. * **Brakes:** Learn how to service and repair all braking components, from hydraulic systems and calipers to parking brakes. * **Steering:** Explore the intricate workings of your steering column, power steering system, and related components. * **Electrical Systems:** Unravel the complexities of your vehicle's electrical systems, including wiring diagrams, multiplex communication, and various electrical components. * **Climate Control:** Master the intricacies of your car's air conditioning system. * **Safety Features:** Gain insights into the operation and maintenance of your car's safety systems, such as seat belts, engine immobilizers, and supplemental restraint systems. * **Body and Interior:** Explore the details of your vehicle's bodywork, interior components, doors, windows, mirrors, and more. * **And much more...** This manual covers every aspect of your 1986 Mercedes W126 SEC, ensuring you have all the information you need to perform any repair or maintenance task.

The 1986 Mercedes-Benz W126 SEC, a timeless masterpiece, represents the zenith of automotive luxury and engineering in the 1980s. This iconic coupe, known as the S-Class Coupe in the United States, embodied the brand's legendary craftsmanship and opulent design philosophy. Its sleek, aerodynamic lines, sculpted by Bruno Sacco, combined with a low-slung profile and distinctive pillarless doors, created an aura of sophistication and exclusivity. Underneath its elegant exterior resided a robust chassis, powered by a range of powerful and refined petrol engines, including the legendary 5.0-liter V8 and the majestic 5.6-liter V8. The W126 SEC offered drivers an unparalleled driving experience, blending smooth power delivery with a comfortable and luxurious interior, featuring plush leather upholstery, rich wood trim, and an array of advanced features for its time. The 1986 W126 SEC was more than just a car; it was a statement of success and refinement. Its presence on the road exuded an air of prestige and authority, reflecting the discerning tastes of its owners. From its iconic design and luxurious appointments to its robust build and performance, the W126 SEC set a new standard for luxury coupes. Although production ceased in 1991, the W126 SEC continues to hold a revered position in automotive history, captivating enthusiasts with its timeless elegance and enduring quality. Its lasting appeal is a testament to the meticulous craftsmanship, innovative engineering, and enduring design of Mercedes-Benz, ensuring that the W126 SEC remains an icon of automotive excellence for generations to come.