🏷️ Basic Information Identification Make: Mercedes-Benz Model: W126 Model Line: S-Class Generation Generation Designation: First Generation S-Class (W126) Codes Chassis Code: W126 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and owners of Mercedes-Benz W126 vehicles seeking detailed technical information. Competitive Analysis Value Proposition: Provides the same level of detail as professional workshop manuals, enabling users to perform complex repairs and maintenance, saving significant costs. Key Features Completeness: Extremely detailed compilation covering all aspects of the W126 model range. Accessibility: PDF format allows for easy access, search, and printing of specific sections. User Friendliness: Easy-to-follow, step-by-step instructions with clear diagrams suitable for various skill levels. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service, repair, and maintenance for all Mercedes-Benz W126 models. Specific Systems: Engine, fuel injection, ignition, clutch, gearbox, drivetrain, suspension, steering, brakes, climate control, electrical system, bodywork, interior. Page Count Estimated Page Count: Varies by specific edition, but typically over 1000 pages for a complete set. Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed procedures for engine disassembly, assembly, overhaul, timing, and component replacement. Fuel Injection And Ignition: In-depth coverage of KE-Jetronic, K-Jetronic, and related ignition systems, including diagnostics and adjustments. Transmission Drivetrain: Service and repair for automatic transmissions (e.g., 722.3, 722.4, 722.5) and manual transmissions, including differential and drive shafts. Suspension Steering: Maintenance, repair, and alignment for independent front and rear suspension, power steering system. Braking System: Front and rear brake system service, including ABS (Antilock Braking System) on applicable models. Electrical System: Comprehensive wiring diagrams, component location, troubleshooting, and repair for all electrical circuits. Climate Control: Service and repair for manual and automatic climate control systems (Air Temp Control System). Bodywork And Interior: Body panel repair, door mechanisms, glass replacement, interior trim, and seating adjustments. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks and changes, belt inspections and replacement. Diagnostics And Troubleshooting: Step-by-step diagnostic procedures for common issues across all major systems. Component Replacement: Detailed instructions for replacing components such as alternators, starters, water pumps, fuel pumps, brake calipers, etc. Engine Rebuilding: Complete instructions for engine teardown, inspection, machining, and reassembly. Transmission Overhaul: Detailed procedures for the complete disassembly, repair, and reassembly of automatic and manual transmissions. Electrical Component Repair: Repair and replacement of electrical components like control modules, sensors, actuators, and wiring harnesses. Specific Tool Requirements: Identifies and describes the use of specialized Mercedes-Benz tools where necessary for certain procedures. Technical Depth Depth: Extremely detailed, covering everything from basic fluid changes to complete engine and transmission overhauls. Includes diagnostic fault codes and procedures. Diagrams Illustrations: Extensive use of step-by-step diagrams, exploded view diagrams, and detailed technical illustrations. Data Tables: Includes essential technical data such as torque specifications, fluid capacities, valve clearances, and engine timing settings. Wiring Diagrams Detail: Detailed, often color-coded, wiring diagrams for all electrical systems, including component identification and circuit functions. 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text within PDF for quick access to information. Distribution Method: Digital download of PDF files. Print Quality Printability: All pages are printable, allowing users to create physical copies of specific sections. Binding Type Binding: N/A (Digital PDF Format) Paper Type Paper Type: N/A (Digital PDF Format) ⚙️ Engine Specifications Primary Engine Common Engines: M103 (2.6L, 3.0L I6), M110 (2.8L I6), M116 (3.8L V8), M117 (4.2L, 5.0L V8), M104 (3.0L, 3.2L I6 - later models). Performance Hp Range: Approximately 150 hp (2.6L) to over 240 hp (5.6L AMG variants). Torque Range: Approximately 177 lb-ft (2.6L) to over 330 lb-ft (5.6L). Fuel System Injection Systems: Bosch K-Jetronic (CIS), KE-Jetronic (CIS-E), and later LH-Jetronic fuel injection systems. Fuel Type: Unleaded gasoline (Premium). Technical Data Timing Belt Chain: Timing chain for most M103, M116, M117 engines; timing belt for M104. 🔧 Transmission Standard Default Transmission: 4-speed automatic transmission (e.g., 722.3, 722.4) was standard on most models. Optional Optional Transmission: 5-speed manual transmission was available on some early models and specific engines (e.g., M110). Features Automatic Transmission Features: Hydraulic control, torque converter lock-up, sport/economy modes on some variants. Fluid Specifications Automatic Transmission Fluid Type: Typically Mercedes-Benz Specification 236.6 or 236.7 (e.g., Dexron II). 📐 Dimensions Exterior Body Styles: 4-door Sedan (Saloon) and 2-door Coupe. Length Sedan Approx: 5020 mm (197.6 in) Length Coupe Approx: 4965 mm (195.5 in) Weights Curb Weight Approx: 1650 kg - 1900 kg (3638 - 4189 lbs) depending on engine and options. 🛡️ Safety Features Ratings Passive Safety: Designed with significant passive safety features including crumple zones, reinforced passenger cell, and dual-circuit braking. Active Features Antilock Braking System: ABS (Antilock Braking System) was an option and became standard on later models. Passive Features Airbags: Driver's side airbag became available as an option in later years of the W126 generation. 💡 Technology...