🏷️ Basic Information Identification Make: Mercedes-Benz Model: 124 Sedan E320 Years Covered: 1993, 1994, 1995 Codes Chassis Code: W124 Engine Code: M104.992 👋 Introduction Market Position Segment: Mid-size Luxury Sedan Reputation: Known for exceptional build quality, durability, and sophisticated engineering. Competitive Analysis Competitors: BMW 5 Series, Audi 100/A6, Lexus GS, Cadillac DeVille. Mercedes Advantage: Superior ride comfort, robust chassis, and long-term reliability were key differentiators. Key Features Design Philosophy: Understated elegance, functional ergonomics, and timeless styling. Powertrain Refinement: The M104 engine provided smooth, powerful, and efficient performance. Safety Engineering: Early adoption of advanced safety features for its era. 📋 Manual Details Coverage Areas Diagnostic Procedures: Comprehensive diagnostic procedures for all major systems. Electrical System: Wiring diagrams, component testing, and troubleshooting for the entire electrical system. Engine Mechanical: Detailed rebuild and repair procedures for the M104 engine. Transmission System: Service and repair of the 722.4 automatic transmission. Suspension Steering: Repair and alignment procedures for suspension and steering components. Brake System: Inspection, service, and repair of hydraulic and ABS braking systems. Body And Chassis: Panel repair, rust prevention, and structural information. HVAC System: Diagnosis and repair of climate control systems. Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital PDF (Instant Download) 📖 Manual Coverage Systems Covered Engine: M104 3.2L Inline-6, DOHC, 24-valve, Fuel Injection (Bosch LH-Jetronic) Transmission: 4-Speed Automatic Transmission (722.4) Fuel System: Fuel injection, fuel pump, pressure regulator, injectors, fuel filter. Cooling System: Radiator, thermostat, water pump, coolant hoses, fan clutch. Ignition System: Distributorless ignition system (CDI components), spark plugs, ignition coils. Exhaust System: Exhaust manifold, catalytic converter, muffler, oxygen sensors. Emission Control: EGR system, secondary air injection, EVAP system. Steering: Power steering system, steering column, rack and pinion. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, sway bars. Brakes: Front and rear disc brakes, ABS (Anti-lock Braking System), brake fluid, hydraulic lines. Electrical Components: Starter, alternator, battery, fuses, relays, lighting system, wipers, power accessories. Body Electrical: Door locks, windows, mirrors, seat adjustments, interior lighting. Climate Control: HVAC blower, A/C compressor, evaporator, condenser, refrigerant handling, climate control module. Safety Systems: Seat belt mechanisms, airbag system (if equipped and applicable to this generation). Procedures Included Scheduled Maintenance: Detailed maintenance schedules and procedures. Troubleshooting: Systematic troubleshooting guides and symptom-based diagnostics. Repair Procedures: Step-by-step repair instructions for all major components. Overhaul Procedures: Complete engine and transmission overhaul instructions. Electrical Diagnostics: Testing of sensors, actuators, control modules, and wiring harnesses. Component Replacement: Instructions for replacing all user-serviceable and some non-user-serviceable parts. Calibration Procedures: Procedures for systems requiring calibration after repair. Torque Specifications: Essential torque values for critical fasteners. Technical Depth Depth: Comprehensive, from basic fluid changes to complete engine and transmission rebuilds. Diagnostic Level: Advanced diagnostic information including troubleshooting trees and component data. Wiring Diagrams Quality: Detailed, color-coded wiring diagrams with component location references. 📊 Manual Specifications File Format Format: PDF Searchability: Fully searchable text content for quick information retrieval. Print Quality Resolution: High-resolution scans suitable for printing. Readability: Clear, crisp text and legible diagrams. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Software Requirements Software: Standard PDF reader (e.g., Adobe Acrobat Reader). ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-Cylinder, Naturally Aspirated Displacement: 3.2 Liters (3199 cc) Valvetrain: DOHC, 24 Valves (4 valves per cylinder) Bore X Stroke: 89.9 mm x 84.0 mm Compression Ratio: 10.0:1 Performance Horsepower: 217 hp @ 5500 rpm (approx.) Torque: 228 lb-ft @ 4000 rpm (approx.) Fuel System Fuel Delivery: Bosch LH-Jetronic Electronic Fuel Injection Fuel Type: Premium Unleaded Gasoline (91+ Octane) Cooling System Cooling Capacity: 10.5 Liters (approx.) Lubrication System Oil Capacity: 7.5 Liters (approx.) Ignition System Ignition Type: Distributorless Ignition System (CDI) 🔧 Transmission Standard Type: 4-Speed Automatic Transmission Model Code: 722.4 Optional Type: 5-Speed Manual Transmission (Rare for E320, more common on other W124 variants) Features Shift Modes: Standard, Economy (E), and Sport (S) modes. Fluid Type: ATF Dexron III or equivalent (MB spec 236.1) Fluid Capacity Capacity: 7.0 Liters (approx. for overhaul) 📐 Dimensions Exterior Length: 188.0 inches (approx.) Width: 69.5 inches (approx.) Height: 55.5 inches (approx.) Wheelbase: 110.1 inches (approx.) Weights Curb Weight: 3600 - 3800 lbs (approx.) Gross Vehicle Weight Rating: 4850 lbs (approx.) Cargo Trunk Volume: 17.3 cubic feet (approx.) 🛡️ Safety Features Ratings NHTSA Front Impact: N/A (Rating systems differed significantly in this era) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Acceleration Skid Control (ASR) Passive Features Airbags: Driver side airbag standard. Passenger airbag optional or phased in during these years. Seatbelts: Front and rear seatbelts with pre-tensioners (front). Body Structure: Reinforced chassis and crumple zones. 💡 Technology Features Infotainment Radio: Factory AM/FM cassette stereo with optional CD changer. Display: Analog gauges, with a small digital clock and odometer display. Driver Assistance Cruise Control: Standard electronic cruise...