🏷️ Basic Information

Make:

Mercedes-Benz

Model:

300 TE 4MATIC

Chassis Code:

W124 (E-Class)

Generation:

First Generation W124 (1984-1995)

Engine Code:

M103

Body Style:

Estate/Wagon (T-model)

👋 Introduction

Positioning:

The Mercedes-Benz W124 series, particularly the 300 TE 4MATIC, represented a peak of engineering and luxury in the late 1980s and early 1990s. Known for its robust construction, exceptional build quality, and sophisticated comfort, it was a direct competitor to other premium executive wagons from brands like BMW and Audi.

Competitors:

BMW 5 Series Touring (E34), Audi 100/200 Avant (C3/C4), Volvo 700/900 series wagons.

Features:

The 300 TE 4MATIC offered a blend of practicality (station wagon body), performance (inline-six engine), and advanced (for its time) all-wheel-drive capability, making it a versatile and desirable luxury family vehicle.

Purpose:

This manual is a crucial resource for maintaining the longevity and optimal performance of the Mercedes 300 TE 4MATIC. Its detailed procedures and diagnostic information are invaluable for both professional technicians and dedicated enthusiasts.

📋 Manual Details

Covered Years:

1990, 1991, 1992, 1993

Estimated Pages:

Extensive (Specific count not provided, but typical for a comprehensive service manual covering multiple years)

Type:

Service and Repair Manual

Language:

English

Digital Format:

PDF / WINRAR

📖 Manual Coverage

Engine:

Engine mechanical, lubrication system, cooling system, fuel system, emission control system, ignition system

Transmission:

Manual transmission, Automatic transmission (722.3/722.4), Transfer case (4MATIC)

Drivetrain:

4MATIC all-wheel drive system, drive shafts, axles, differentials

Suspension:

Front and rear suspension, shock absorbers, springs, control arms, ball joints, self-leveling suspension (if equipped), Level Control, ADS (Adaptive Damping System)

Brakes:

Front and rear brakes (disc), parking brake, brake fluid, brake lines, ABS (Anti-lock Braking System), ASD (Automatic Slip Differential)

Steering:

Power steering system, steering linkage, steering column

Electrical:

Battery, charging system, starting system, lighting system, instrumentation, warning lamps, ignition system, basic troubleshooting of electrical circuits

Body And Chassis:

Body structure inspection, water leakage, corrosion, suspension and body structure inspection, door hinges, door locks, hood lubrication, sunroof, soft top (if applicable to TE model variant - though TE is typically fixed roof), hydraulic top systems (relevant to convertible models, but general fluid checks might apply to other hydraulic systems like self-leveling)

HVAC:

Heating and ventilation system, dust filter replacement, recirculating air filter replacement, active charcoal filter replacement, AC refrigerant charge check

Routine Maintenance:

Engine oil and filter change, air filter replacement, fuel filter replacement, fuel prefilter replacement, V-belt inspection and tensioning, poly V-belt inspection, spark plug inspection and replacement, coolant level and antifreeze check, cooling system inspection, manual and automatic transmission fluid changes, transfer case fluid change, clutch system checks, power steering fluid check, windshield washer fluid check, battery fluid check

Engine Repair:

Valve clearance adjustment, idle speed adjustment, injection timing adjustment, fuel system checks, intake and exhaust manifold seating checks, oxygen sensor replacement, engine mount bolt retorquing, engine stop adjustment

Transmission Repair:

Transmission oil level checks and correction, automatic transmission fluid and filter change, clutch system inspection and fluid checks

Suspension And Steering Repair:

Suspension component inspection, ball joint inspection (including using special tools), front and rear axle oil level checks, steering play checks, steering bolt retightening, level control fluid level checks (ADS, 4MATIC)

Brake Repair:

Brake fluid level check, brake line inspection, brake pad and disk thickness inspection, brake disk cleaning, parking brake cable adjustment, brake fluid replacement, parking brake test

Body And Trim Repair:

Inspection of component condition, lines and hoses, suspension and body structure, water leakage and corrosion, wheel inspection and rotation, tire pressure correction, wheel bolt tightening, drive shaft flexible coupling inspection, lubricating door hinges and locks, cleaning antenna mast, lubricating folding side mirrors, lubricating hood, safety belt inspection, backrest lock check, noise encapsulation panel removal/installation, body paint damage inspection

HVAC Repair:

Dust filter replacement, active charcoal filter replacement, recirculating air filter replacement, AC refrigerant charge check

Depth:

Comprehensive; Covers troubleshooting, diagnosis, repair, disassembly, inspection of parts for reuse, rebuilding, and assembly of components, aiming to aid mechanics.

📊 Manual Specifications

Primary Format:

PDF

Compression Format:

WINRAR

Printability:

High quality, printable pages suitable for professional workshops and home mechanics.

Binding:

Digital (No physical binding type applies)

Paper Quality:

N/A (Digital format)

Operating Systems:

Win95/98/ME/XP/vista/7/8/Linux/MAC, iOS/Android compatible devices

Delivery Method:

Instant Download

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, Naturally Aspirated

Displacement:

2960 cc (3.0 Liters)

Bore X Stroke:

88.5 mm x 80.25 mm

Compression Ratio:

9.2:1 (Typical for M103)

Horsepower:

Approx. 180 hp (132 kW) @ 5700 rpm (varies slightly by market and year)

Torque:

Approx. 188 lb-ft (255 Nm) @ 4400 rpm (varies slightly by market and year)

Fuel Injection:

Bosch KE-Jetronic (CIS-E with electronic control)

Fuel Type:

Unleaded Gasoline (Premium)

Ignition System:

Electronic Ignition (CDI - Capacitive Discharge Ignition)

🔧 Transmission

Transmission Type:

4-speed Automatic Transmission (722.3/722.4) was standard on 4MATIC models.

Transmission Type:

A 5-speed manual transmission was available on RWD models but less common or unavailable on 4MATIC variants.

Drive System:

4MATIC All-Wheel Drive system with a center differential and viscous coupling.

Automatic Transmission Fluid Type:

MB 236.3 (e.g., ATF Dexron II / Mercon compatible)

Manual Transmission Fluid Type:

MB 235.0 (Hypoid Gear Oil SAE 90)

Transfer Case Fluid Type:

MB 235.0 (Hypoid Gear Oil SAE 90)

📐 Dimensions

Length:

Approx. 4740 mm (186.6 in)

Width:

Approx. 1740 mm (68.5 in)

Height:

Approx. 1450 mm (57.1 in)

Curb Weight:

Approx. 1650 - 1750 kg (3638 - 3858 lbs) depending on options

Gross Vehicle Weight Rating:

Approx. 2250 kg (4960 lbs)

Cargo Volume:

Approx. 570 - 1570 Liters (with rear seats folded)

🛡️ Safety Features

Crash Test Data:

While specific standardized crash test ratings (like NHTSA or Euro NCAP) were less prevalent and standardized in the early 90s as they are today, Mercedes-Benz vehicles of this era were renowned for their robust safety engineering, including strong A/B pillars, crumple zones, and side-impact protection.

Active Safety:

ABS (Anti-lock Braking System), ASD (Automatic Slip Differential - regulates torque to rear wheels under slip).

Passive Safety:

Reinforced body structure, safety-designed interior, front airbags (driver and passenger often standard or optional by final years), seatbelt pretensioners, energy-absorbing steering column.

💡 Technology Features

Audio System:

Factory-installed Clarion or Becker radio/cassette players were common. Options included CD changers and premium sound systems.

Driver Aids:

ABS, ASD, optional cruise control, power adjustable seats with memory, power sunroof, heated seats, automatic climate control (optional).

Connectivity Features:

Limited by era; primarily focused on basic car functions. External antenna for radio. No integrated Bluetooth or USB ports.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 - 15,000 km (6,000 - 9,000 miles) or annually, whichever comes first, depending on driving conditions and oil used. Refer to manual for precise interval.

Transmission Fluid Change Interval:

Automatic: Generally every 50,000 - 80,000 km (30,000 - 50,000 miles). Manual: Typically less frequent, around 80,000 - 100,000 km (50,000 - 60,000 miles).

Engine Oil Specification:

MB 229.1 (e.g., 10W-40 or 15W-40 synthetic blend, depending on climate and specific oil recommendations. Consult manual for exact viscosity.)

Coolant Specification:

MB 325.0 (Ethylene Glycol based coolant, typically a 50/50 mix with distilled water for antifreeze protection. Color can vary, but green or blue were common.)

Brake Fluid Specification:

DOT 3 or DOT 4 (Glycol-based)

Power Steering Fluid Specification:

MB 236.3 (ATF Dexron II/Mercon compatible)

Common Issues:

Wire harness degradation (especially insulation on engine sensors/injectors), fuel distributor leaks, valve cover gasket leaks, OVP relay failure (Over Voltage Protection), sagging headliner, rust (especially around wheel arches, sunroof, and rear hatch), differential seal leaks, vacuum hose deterioration, ABS/ASD sensor issues, automatic transmission shifting concerns, suspension component wear (ball joints, bushings).

📚 Vehicle History

Heritage:

Mercedes-Benz has a long-standing reputation for automotive excellence, innovation, and safety, dating back to the invention of the automobile itself. The W124 generation continued this legacy.

W124 Evolution:

The W124 E-Class was introduced in 1984 and underwent a significant facelift in 1989/1990, which included updated styling (clear-lens headlights, revised bumpers and body cladding), increased engine options, and improved safety features. The 300 TE 4MATIC was a part of this updated lineup, offering enhanced traction.

Production Period:

The W124 T-model (Estate) was produced from 1985 to 1996. The 300 TE 4MATIC specifically falls within the later years of this range, aligning with the 1990-1993 product information.

🏆 Awards & Recognition

Vehicle Awards:

The W124 series as a whole consistently received high marks and praise from automotive journalists for its build quality, durability, and engineering prowess during its production run. Often cited as one of Mercedes-Benz's best-built cars.