This comprehensive 1986 Mercedes W126 SEL Service and Repair Manual covers all models and repairs from A to Z. It provides the exact same information used by technicians at dealerships to maintain, service, diagnose, and repair your vehicle. This manual is your one-stop resource for everything you'll ever need to know about your 1986 Mercedes W126 SEL. Inside, you'll find complete step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications to confidently and easily repair your vehicle.

The manual is organized into a user-friendly format that allows you to quickly find the information you need. You'll find detailed sections on:

* **Maintenance:** Routine maintenance schedules, procedures, and tips to keep your Mercedes running smoothly.
* **Engine:** In-depth information on engine components, operation, repair, and troubleshooting.
* **Control System:** Detailed coverage of electrical and electronic control systems, including diagnostics and repair.
* **Mechanical:** Comprehensive instructions on repairing all mechanical systems, including the transmission, drive train, brakes, steering, and suspension.
* **Fuel Service Specifications:** Fuel system components, adjustments, and repair procedures.
* **Emission Control:** Information on emission control systems and their operation.
* **Intake Exhaust Cooling:** Detailed information on the intake, exhaust, and cooling systems.
* **Lube:** Lubrication specifications and procedures for all components.
* **Ignition Starting Charging:** Comprehensive information on the ignition, starting, and charging systems.
* **Auto Transmission Clutch:** Detailed instructions on automatic transmission repair and adjustments.
* **Manual Transmission:** Information on manual transmission operation, repair, and adjustments.
* **Transfer Propeller Shaft:** Detailed coverage of the transfer case, propeller shaft, and related components.
* **Drive Shaft:** Repair procedures and specifications for the drive shaft.
* **Differential:** Information on the differential, including repair procedures.
* **Axle Suspension:** Detailed instructions on repairing and adjusting the axle and suspension system.
* **Tire & Wheel:** Tire and wheel specifications and repair procedures.
* **Brake Control:** Information on brake control systems and their operation.
* **Brake:** Detailed coverage of brake systems, including repair procedures.
* **Parking Brake:** Repair and adjustments for the parking brake.
* **Steering Column:** Information on the steering column, including repair procedures.
* **Power Steering:** Detailed instructions on repairing and adjusting the power steering system.
* **Air Condition:** Information on the air conditioning system, including repair and maintenance procedures.
* **Suppl Restraint System:** Detailed coverage of the supplemental restraint system (SRS), including repair and maintenance procedures.
* **Seat Belt:** Information on seat belt operation and repair.
* **Engine Immobilizer:** Detailed instructions on the engine immobilizer system.
* **Cruise Control:** Information on the cruise control system, including repair procedures.
* **Wiper & Washer:** Repair and maintenance procedures for the wiper and washer system.
* **Door Lock:** Information on door lock operation, repair, and adjustments.
* **Meter Audio/Visual:** Information on the instrument cluster, audio system, and other visual components.
* **Horn:** Repair procedures and specifications for the horn.
* **Windshield/Glass Mirror:** Information on the windshield, glass, and mirrors, including repair procedures.
* **Instrument Panel:** Repair and maintenance procedures for the instrument panel.
* **Seat:** Detailed instructions on seat repair and adjustments.
* **Engine Hood/ Door:** Repair procedures and specifications for the engine hood and doors.
* **Exterior & Interior:** Information on exterior and interior components, including repair procedures.
* **Electrical:** Comprehensive coverage of the electrical system, including troubleshooting and repair.
* **Multiplex/ Can Communication:** Information on the Multiplex and CAN communication systems.

This detailed manual will empower you to tackle any repair job with confidence, saving you time and money.

The 1986 Mercedes-Benz W126 SEL, a luxurious sedan, embodies the epitome of German engineering and craftsmanship. Known for its robust build quality, opulent interior, and powerful performance, the SEL was the pinnacle of the W126 series, representing the epitome of status and refinement. Its sleek, angular design, characterized by its long hood, upright grille, and boxy shape, was a departure from the flowing curves of its predecessors, yet it remained undeniably elegant. Beneath its elegant exterior lay a symphony of advanced technology, including fuel-injected V8 engines, a sophisticated suspension system, and innovative features like automatic climate control and cruise control. This generation of the W126 was also known for its commitment to safety, employing crumple zones, a sturdy chassis, and a comprehensive airbag system, setting new standards for the industry.

The 1986 SEL offered a range of powerful engine options, including the 3.8-liter V8 in the 380SEL, the 4.2-liter V8 in the 420SEL, and the flagship 5.0-liter V8 in the 500SEL. These engines, coupled with the W126's sturdy chassis and efficient driveline, provided a balance of smooth acceleration, effortless cruising, and impressive fuel economy. The SEL's interior was a testament to luxury, boasting rich leather upholstery, plush carpets, wood accents, and an abundance of comfort features. The spacious cabin offered ample room for five passengers in plush comfort, and the meticulously crafted details, from the switchgear to the instrument panel, exuded an air of timeless elegance. The 1986 W126 SEL was more than just a car; it was a statement of success, a symbol of refinement, and a timeless classic that continues to captivate enthusiasts today.