Model:
Multiple Series (107, 123, 124, 126, 129, 140, 201)
Model Codes:
W107, W123, W124, W126, R129, W140, W201
Production Years:
1981-1993
Target Audience:
Mercedes-Benz owners, independent repair shops, and automotive technicians specializing in classic and modern Mercedes-Benz vehicles.
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.
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.
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)
Type:
Digital Workshop Maintenance Manual
Readability:
Searchable, Printable, Indexed, iPad-ready
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
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
Depth:
Comprehensive; covers detailed repair procedures, testing specifications, torque values, filling capacities, and special tool requirements. Aligns with factory maintenance system job numbers.
PDF Quality:
High-quality scanned PDF, optimized for digital use.
Searchability:
Text-based indexing allows for quick searching of specific terms and job numbers.
Printability:
Yes, printable pages for workshop use.
Binding:
Digital (PDF), not applicable for physical binding.
Paper Type:
Digital (PDF), not applicable for physical paper type.
Drm Status:
DRM-free, allowing unrestricted use on multiple devices.
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).
Data Availability:
Includes performance data, testing, and adjustment specifications for various engine variants.
Fuel Systems:
Carbureted (early models), K-Jetronic (CIS), KE-Jetronic (CIS-E), and early Electronic Fuel Injection (EFI) systems.
Components:
Cylinder Head Assy, Cylinder Block Assy, Camshaft, Crankshaft, Pistons, Connecting Rods, Valves, Valve Springs, Seals.
Cooling System:
Radiator, Water Pump, Thermostat, Hoses, Fan Clutch, Cooling Fan System.
Control Systems:
Mechanical fuel injection (CIS/CIS-E), ignition timing, and early electronic engine management.
Transmission Types:
4-speed and 5-speed Manual Transmissions, 4-speed and 5-speed Automatic Transmissions (e.g., 722.3, 722.4, 722.5).
Torque Converter Clutch:
Details on torque converter clutch operation and testing for automatic transmissions.
Transmission Control:
Information on transmission control cables, linkages, and hydraulic systems.
Transmission Fluid:
Specific fluid types and capacities for various manual and automatic transmissions covered.
Body Styles:
Sedan, Coupe, Convertible (SL), Estate (T-Model), Limousine (Lang).
Curb Weight Range:
Varies significantly by model series and configuration, detailed within specific model sections of the manual.
Safety Features Overview:
Covers safety systems relevant to the period, including airbags (Supplemental Restraint System), seat belts, and ABS where equipped.
ABS:
Information on Anti-lock Braking System (ABS) operation, testing, and troubleshooting for models equipped with it.
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.
Audio Systems:
Covers maintenance and basic troubleshooting for factory radio receivers and speaker systems of the era.
Cruise Control:
Information on the operation and maintenance of cruise control systems.
Power Accessories:
Detailed wiring and component information for power windows, power mirrors, and power door locks.
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.
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, power steering fluid, and transmission fluid types.
Common Wear Items:
While not explicitly listing 'known issues,' the manual provides procedures for inspecting and replacing common wear items such as drive belts, hoses, suspension bushings, and brake components.
Torque Values:
Extensive listing of torque specifications for critical fasteners across all systems, essential for proper assembly and safety.
Capacities:
Detailed information on all fluid filling capacities, including engine oil, coolant, transmission fluid, brake fluid, and washer fluid.
Mercedes Benz Reputation:
This era represents a period of high build quality, engineering excellence, and luxury for Mercedes-Benz, with models like the W124 and R129 often cited as benchmarks.
Series Overview:
The manual covers a diverse range of Mercedes-Benz vehicles that defined luxury, performance, and practicality across multiple segments: W107 (end of its run), W123 (transitioning), W124 (highly acclaimed E-Class), W126 (flagship S-Class), R129 (new SL generation), W140 (new S-Class generation), and W201 (compact executive 'Baby Benz').
Manufacturing Locations:
Primarily Germany, with potential assembly in other international locations.
