🏷️ Basic Information Identification Make: Mercedes-Benz Model: 300TE 4MATIC Wagon Chassis Code: W124 Body Style: Station Wagon (S124) Production Years Covered: 1990-1993 Codes Engine Code: M103.984 Transmission Code: 722.4 (4-speed Automatic) 👋 Introduction Market Position Class: Mid-size Luxury Station Wagon / Estate Segment Competitors: BMW 5 Series Touring, Audi 100 Avant, Volvo 240/740/940 Wagon, Saab 9000 Wagon Competitive Analysis Key Strengths: Exceptional Build Quality, Durable Powertrain, Refined Ride Comfort, Robust 4MATIC All-Wheel Drive System, Practicality and Versatility Key Features Features: Oak-wood interior trim, optional rear-facing third-row jump seats, power-operated tailgate, optional self-leveling rear suspension, advanced for its time 4MATIC system 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting Page Count Estimated Page Count: 1000+ Manual Type Type: Workshop Service Manual (WSM) Language Language: English Format Format: Digital PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (M103.984), Fuel Injection (KE-Jetronic), Ignition, Cooling, Exhaust, Transmission (4-speed Automatic 722.4), Drivetrain (4MATIC All-Wheel Drive) Chassis: Suspension (Front Independent, Rear Multi-link), Steering System, Braking System (ABS equipped), Wheels and Tires Electrical: 12V Electrical System, Battery, Alternator, Starter, Lighting, Instrumentation, Fuses and Relays, Engine Control Unit (ECU), ABS Control Module, Power Accessories (Windows, Sunroof, Seats, Mirrors), 4MATIC Control Module Body: Body Structure, Doors, Hood, Tailgate, Bumpers, Interior Trim, Exterior Trim, Seating Systems, Climate Control System (HVAC) Procedures Included Maintenance: Scheduled Maintenance (Oil Changes, Filter Replacements, Spark Plugs), Fluid Checks and Replacements (Coolant, Brake Fluid, Power Steering Fluid, Transmission Fluid), Belt Inspections and Replacements Troubleshooting: Diagnostic Procedures for Common Issues, Electrical System Fault Finding, Engine Performance Problems, Transmission Shift Quality Issues Repair: Engine Overhaul, Transmission Rebuild, Brake System Servicing, Suspension Component Replacement, Steering System Repair, Electrical Component Repair/Replacement, HVAC System Repair, Body Panel Repair Diagnostics: On-Board Diagnostics (OBD) interpretation for the era, Fuel System Diagnostics, Ignition System Diagnostics, ABS Diagnostics, 4MATIC System Diagnostics Technical Depth Depth: Detailed Component Removal and Installation, Torque Specifications, Electrical Schematics, Diagnostic Flowcharts, Exploded Views, Repair Times (often included in OE manuals) 📊 Manual Specifications File Format Format: PDF Searchability: Searchable Text Content (OCR Optimized) Print Quality Resolution: High-Resolution Scans for Clear Diagrams and Text Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-6, Naturally Aspirated Displacement: 3.0 Liters (2960 cc) Bore X Stroke: 88.5 mm x 80.25 mm Compression Ratio: 9.2:1 Performance Horsepower: 180 hp @ 5700 RPM (approx.) Torque: 240 lb-ft @ 4400 RPM (approx.) Fuel System Fuel Delivery: Bosch KE-Jetronic Electronic Fuel Injection Fuel Type: Unleaded Premium Gasoline (91 Octane or higher) Ignition System Ignition Type: Distributorless Electronic Ignition (EZL/AKR) Cooling System Coolant Type: Mercedes-Benz approved Antifreeze/Coolant (Glysantin G48 or equivalent) Coolant Capacity: 9.5 Liters (approx.) 🔧 Transmission Standard Type: 4-speed Automatic (722.4) Optional Type: 5-speed Manual (Rare on 4MATIC) Features Drivetrain: 4MATIC Permanent All-Wheel Drive Transmission Fluid Type: MB Approved ATF (e.g., Shell ATF 3403 M-115 or equivalent) Transmission Fluid Capacity: 8.0 Liters (approx. for complete fill) 📐 Dimensions Exterior Length: 4740 mm (approx.) Width: 1795 mm (approx.) Height: 1490 mm (approx.) Wheelbase: 2800 mm Interior Seating Capacity: 5-7 (depending on optional rear jump seats) Cargo Cargo Volume: 600 - 1600 Liters (with rear seats folded) Weights Curb Weight: 1700 - 1800 kg (approx.) Gross Vehicle Weight: 2300 kg (approx.) Wheels And Tires Wheel Bolt Pattern: 5x112 Wheel Offset: ET37 (typical) Standard Tire Size: 205/65R15 Optional Tire Size: 205/60R15, 215/55R16 🛡️ Safety Features Ratings NHTSA Rating: Not rated by modern NHTSA standards; designed to meet 1980s/90s safety requirements. Active Features ABS: Anti-lock Braking System (ABS) standard on 4MATIC models Traction Control: ASR (Anti-Slip Regulation) not standard on these early 4MATIC models, but some later W124s had it. Passive Features Airbags: Driver's airbag standard, optional passenger airbag available later in production. Seatbelts: Front and rear three-point seatbelts, pre-tensioners on front seatbelts Body Structure: Reinforced passenger compartment, crumple zones 💡 Technology Features Infotainment Audio System: Factory installed Becker cassette or radio/cassette systems, optional CD changer. Climate Control: Manual or automatic climate control (optional) with adjustable A/C and heater. Driver Assistance Cruise Control: Standard on most models. Wiper Features: Intermittent wipers, headlight washers and wipers (optional). Connectivity Factory Options: Original communication systems (rare), antenna systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 - 15,000 km or 12 months (whichever comes first), using synthetic oil. Air Filter Replacement: Every 20,000 - 30,000 km or 24 months. Spark Plug Replacement: Every 40,000 - 60,000 km (depending on plug type). Transmission Fluid Service: Every 40,000 - 60,000 km or 48 months. Fluid Specifications Engine Oil Specification: API SG/SH, ACEA A2-96 or MB 229.1 approved (e.g., 10W-40 or 15W-40 synthetic blend/full synthetic recommended). Engine Oil Capacity: 7.5 Liters (with filter change) Brake Fluid Specification: DOT 3 or DOT 4 Power Steering Fluid Specification: MB Approved Hydraulic Fluid (e.g., CHF 11S, check specific model...