🏷️ Basic Information Identification Make: Mercedes-Benz Model: Multiple Series (107, 123, 124, 126, 129, 140, 201) Model Codes: W107, W123, W124, W126, R129, W140, W201 Generation Production Years: 1981-1993 👋 Introduction Market Position Target Audience: Mercedes-Benz owners, independent repair shops, and automotive technicians specializing in classic and modern Mercedes-Benz vehicles. Competitive Analysis Advantage: Provides a single, comprehensive digital resource covering multiple iconic Mercedes-Benz series from a crucial transitional period, offering significant value compared to acquiring individual manuals. Key Features Job Number System: Manual is structured around a job number system that directly correlates with Mercedes-Benz's official Maintenance System Sheets and Booklets, facilitating quick access to specific procedures and data. Completeness: Guaranteed 100% complete and intact, ensuring no missing or corrupt pages/sections for reliable information. 📋 Manual Details Coverage Areas Supported Series: W107 (SL/SLC), W123 (Sedan/Coupe/Estate/Lang), W124 (Sedan/Coupe/Estate/Cabriolet), W126 (SE/SEL/SEC), R129 (SL), W140 (SE/SEL/SEC), W201 (190/190E/190D) Page Count Total Pages: 330+ Manual Type Type: Digital Workshop Maintenance Manual Language Language: English Format File Format: PDF Readability: Searchable, Printable, Indexed, iPad-ready 📖 Manual Coverage Systems Covered Engine: Mechanical, Cooling System, Lubrication System, Fuel System, Emission Control Systems, Ignition System, Starting System, Charging System, Engine Control System (Mechanical & Electronic) Drivetrain: Clutch System, Transmission (Manual & Automatic), Drive Shaft, Differential Case Assy, Rear Axle Brakes: Brake System, Brake Master Cylinder, Brake Booster, Brake Actuator, ABS (where applicable), Parking Brake Steering Suspension: Steering System, Power Steering, Suspension System (Front & Rear), Wheel Alignment Electrical: Wiring Diagrams, Lighting System, Combination Meter, Wiper & Washer System, Power Window Control System, Power Mirror Control System, Power Door Lock Control System, Supplemental Restraint System (Airbags), Cruise Control Body: Body Repair, Interior Trim, Sun Roof System, Convertible Top Systems (R129), Doors, Windows, Glass Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Belt Adjustments/Replacements Repair: Component Removal and Installation, System Overhaul, Troubleshooting and Diagnostics Adjustments: Valve Clearance, Idle Speed, Clutch Engagement, Brake Pedal Height Diagnostics: Component Testing, Fault Code Interpretation (where applicable), Symptom-based Troubleshooting Technical Depth Depth: Comprehensive; covers detailed repair procedures, testing specifications, torque values, filling capacities, and special tool requirements. Aligns with factory maintenance system job numbers. 📊 Manual Specifications File Format PDF Quality: High-quality scanned PDF, optimized for digital use. Searchability: Text-based indexing allows for quick searching of specific terms and job numbers. Print Quality Printability: Yes, printable pages for workshop use. Binding Type Binding: Digital (PDF), not applicable for physical binding. Paper Type Paper Type: Digital (PDF), not applicable for physical paper type. Protection Drm Status: DRM-free, allowing unrestricted use on multiple devices. ⚙️ Engine Specifications Primary Engine Engine Family Coverage: Wide range of Mercedes-Benz inline-4, inline-5, inline-6, V6, V8, and V12 engines (specifics vary by model series covered). Performance Data Availability: Includes performance data, testing, and adjustment specifications for various engine variants. Fuel System Fuel Systems: Carbureted (early models), K-Jetronic (CIS), KE-Jetronic (CIS-E), and early Electronic Fuel Injection (EFI) systems. Engine Mechanical Components: Cylinder Head Assy, Cylinder Block Assy, Camshaft, Crankshaft, Pistons, Connecting Rods, Valves, Valve Springs, Seals. Engine Coolant Cooling System: Radiator, Water Pump, Thermostat, Hoses, Fan Clutch, Cooling Fan System. Engine Control System Control Systems: Mechanical fuel injection (CIS/CIS-E), ignition timing, and early electronic engine management. 🔧 Transmission Standard Transmission Types: 4-speed and 5-speed Manual Transmissions, 4-speed and 5-speed Automatic Transmissions (e.g., 722.3, 722.4, 722.5). Optional Torque Converter Clutch: Details on torque converter clutch operation and testing for automatic transmissions. Features Transmission Control: Information on transmission control cables, linkages, and hydraulic systems. Fluid Specs Transmission Fluid: Specific fluid types and capacities for various manual and automatic transmissions covered. 📐 Dimensions Exterior Body Styles: Sedan, Coupe, Convertible (SL), Estate (T-Model), Limousine (Lang). Weights Curb Weight Range: Varies significantly by model series and configuration, detailed within specific model sections of the manual. 🛡️ Safety Features Ratings Safety Features Overview: Covers safety systems relevant to the period, including airbags (Supplemental Restraint System), seat belts, and ABS where equipped. Active Features ABS: Information on Anti-lock Braking System (ABS) operation, testing, and troubleshooting for models equipped with it. Passive Features Airbags: Details on the Supplemental Restraint System (SRS), including airbag sensors (e.g., Center Air Bag Sensor Assy, Side Air Bag Sensor Assy), spiral cable, and passenger airbag systems. 💡 Technology Features Infotainment Audio Systems: Covers maintenance and basic troubleshooting for factory radio receivers and speaker systems of the era. Driver Assistance Cruise Control: Information on the operation and maintenance of cruise control systems. Connectivity Power Accessories: Detailed wiring and component information for power windows, power mirrors, and power door locks. 🔧 Maintenance Service Intervals General Intervals: The manual details specific service intervals based on mileage and time for various components, as per Mercedes-Benz's recommendations for the period. Fluid Specifications Engine Oil: Specifies correct engine oil viscosity grades (e.g., 10W-40, 20W-50) and API classifications based on climate and engine type. Also covers brake fluid (e.g., DOT 4), coolant,...