This comprehensive Mercedes 420SEL Service Repair Manual is your essential guide to maintaining and repairing your vehicle. It covers all models from 1986 to 1991, providing detailed instructions and diagrams for a wide range of tasks. From routine maintenance like oil changes and filter replacements to more complex procedures like engine adjustments and suspension repairs, this manual has you covered. You'll find detailed information on inspecting component condition, checking fluid levels, adjusting mechanical parts, and replacing worn components. Specific sections cover the engine, transmission, brakes, suspension, steering, electrical systems, bodywork, and more. The manual allows you to easily locate specific information with its comprehensive bookmarking and searchable functionality. You'll also find helpful tips and troubleshooting guides to help you address common issues. This manual provides the same information your local dealer would use when servicing your Mercedes, empowering you to confidently handle your own repairs or work alongside your mechanic.

The Mercedes-Benz 420 SEL, produced from 1986 to 1991, was a luxurious and powerful sedan that exemplified the German automaker's commitment to engineering excellence and opulent design. A member of the W126 model series, the 420 SEL was distinguished by its spacious interior, advanced technology, and a potent V8 engine. Its graceful lines, characterized by a long hood and a sloping roofline, conveyed a sense of elegance and understated power. Beneath the hood resided a 4.2-liter, 32-valve V8 engine, capable of generating 268 horsepower and 280 lb-ft of torque, propelling the 420 SEL with effortless authority. The smooth and responsive power delivery, coupled with a finely tuned suspension, provided a luxurious and comfortable ride, even at high speeds. Inside the 420 SEL, meticulous attention to detail was evident. High-quality materials, such as leather and wood trim, adorned the cabin, creating an ambiance of sophistication and comfort. The spacious interior provided ample legroom and headroom for both front and rear passengers. Features like automatic climate control, cruise control, and a premium sound system, were standard equipment, reflecting the 420 SEL's status as a flagship model. The 420 SEL was a testament to Mercedes-Benz's dedication to safety, featuring advanced safety features such as anti-lock brakes, a driver's airbag, and a robust construction that provided superior crash protection. This combination of performance, luxury, and safety solidified the 420 SEL's reputation as one of the most desirable and iconic sedans of its era.