This comprehensive 1987 Mercedes W126 SEL Service and Repair Manual provides detailed instructions and illustrations to guide you through every aspect of maintaining, servicing, diagnosing, and repairing your vehicle. This manual is the same one used by technicians at Mercedes-Benz dealerships, ensuring you receive the most accurate and up-to-date information.

The manual covers all models and repairs, from basic maintenance to complex engine and transmission work. It includes step-by-step instructions, diagrams, wiring schematics, and specifications for all systems, including:

* **Engine:** Engine specifications, maintenance procedures, troubleshooting, and repair information for all engine components, including the fuel system, cooling system, exhaust system, and electrical system.
* **Transmission:** Complete coverage of both automatic and manual transmissions, including troubleshooting guides, repair procedures, and adjustments.
* **Drive Train:** Includes information on drive shafts, differentials, axles, and suspension systems.
* **Brakes:** Provides details on brake system components, maintenance, troubleshooting, and repair procedures.
* **Steering:** Covers power steering systems, steering columns, and steering components.
* **Electrical System:** Comprehensive electrical system information, including wiring diagrams, troubleshooting guides, and repair procedures for all electrical components, including the lighting system, instrument panel, and accessories.
* **Air Conditioning:** Detailed instructions on air conditioning system maintenance, troubleshooting, and repair, including refrigerant charging procedures.
* **Body:** Covers the exterior and interior of the vehicle, including door locks, windows, seats, and upholstery.
* **Safety:** Includes information on the supplemental restraint system (SRS) and seat belts.

This manual is compatible with both Windows and Mac operating systems and can be printed for easy access while working on your vehicle.

The 1987 Mercedes-Benz W126 SEL, a true icon of automotive elegance and engineering prowess, represents the pinnacle of luxury sedans during its era. This flagship model of the W126 series, produced from 1979 to 1991, embodies Mercedes' commitment to quality, refinement, and performance. The SEL, short for "Sonderklasse Lang" (Special Class Long), boasted an extended wheelbase compared to the standard S-Class, offering even greater passenger comfort and legroom. Beneath its smooth, aerodynamic bodywork, the W126 SEL housed a range of powerful and efficient engines, including the legendary 5.0L V8 and the potent 5.6L V8. These engines coupled with Mercedes' renowned engineering, ensured a smooth, quiet, and powerful driving experience.

The 1987 W126 SEL, a testament to the German brand's dedication to meticulous craftsmanship, was a technological marvel for its time. Features such as power steering, power brakes, automatic climate control, and an expansive range of optional upgrades, including leather upholstery, sunroof, and a premium sound system, delivered an unparalleled level of luxury and comfort for its occupants. Moreover, the W126 SEL was lauded for its robust construction, impeccable safety features, and renowned reliability. The car became a favorite among executives, diplomats, and discerning enthusiasts worldwide, solidifying its reputation as a timeless classic that continues to captivate car enthusiasts today. The 1987 SEL, a true symbol of German engineering excellence and automotive artistry, stands as a testament to Mercedes-Benz's enduring legacy in the world of luxury automobiles.