🏷️ Basic Information

Make:

Mercedes-Benz

Model:

E320

Model Code:

W210

Year:

1998

Chassis Code:

W210

Engine Code General:

M104

👋 Introduction

Segment:

Executive Mid-size Sedan

Prestige:

Premium luxury vehicle, known for build quality, comfort, and engineering.

Competitors 1998:

BMW 5 Series (E39), Audi A6 (C5), Lexus GS300, Volvo S70/V70.

Design Philosophy:

Elegant, timeless design with a focus on aerodynamic efficiency and safety.

Powertrain Emphasis:

Smooth and powerful inline-six engine, refined automatic transmission.

📋 Manual Details

General Coverage:

Complete Service and Repair

Specific Systems:

Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical System, HVAC, Bodywork, Diagnostics, Maintenance

Estimated Pages:

1500-2000 (estimated for comprehensive software)

Type:

Service and Repair Manual Software

Language:

English

Format:

Digital Software (likely PDF or proprietary viewer)

📖 Manual Coverage

Engine Mechanical:

Full overhaul, component testing, timing, cylinder head, crankshaft, pistons, rings, lubrication system, cooling system.

Engine Management:

Fuel injection (KE-Jetronic variants or early electronic), ignition system, sensors, actuators, ECU diagnosis.

Transmission Automatic:

722.6 '722.6' series automatic transmission: overhaul, diagnosis, fluid service, electronic control unit (TCU).

Drivetrain:

Rear-wheel drive (RWD) configuration, driveshaft, differential, axle shafts, wheel bearings.

Brakes:

ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), hydraulic system, brake pad/rotor replacement, caliper service, bleeding procedures.

Suspension:

Front independent suspension (McPherson struts), rear independent multi-link suspension, shock absorbers, springs, bushings, control arms, alignment specifications.

Steering:

Hydraulic power steering system, steering gear, tie rods, power steering fluid type and capacity.

Electrical System:

Battery, alternator, starter motor, lighting, power windows, power seats, central locking, fuse box locations and diagrams, wiring diagrams.

HVAC:

Automatic climate control system, refrigerant type (R134a), compressor, evaporator, condenser, heater core, blower motor, diagnostic procedures.

Body Interior:

Door panel removal, seat adjustment, dashboard trim, interior lighting, airbag system safety precautions.

Body Exterior:

Bumpers, fenders, hood, trunk lid, door installation/adjustment, glass replacement, trim removal.

Diagnostics:

OBD-II (On-Board Diagnostics II) capabilities, diagnostic trouble codes (DTCs), scan tool usage, troubleshooting flowcharts.

Maintenance Tasks:

Oil and filter changes, air filter replacement, spark plug replacement, coolant flush, brake fluid replacement, transmission fluid service, differential fluid change.

Repair Procedures:

Engine component replacement (e.g., water pump, thermostat, alternator), brake caliper rebuild, suspension component replacement, fuel pump replacement, starter motor replacement.

Troubleshooting:

Systematic diagnosis of common and uncommon problems with step-by-step guides and symptom analysis.

Special Tools:

Identification and usage of specialized Mercedes-Benz tools required for specific repairs.

Depth:

Comprehensive, covering basic maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures and specifications.

📊 Manual Specifications

Digital Format:

Software-based, likely with a proprietary viewer or exportable to PDF. Optimized for searchability and clear presentation of diagrams.

Visuals:

Includes detailed diagrams, schematics, illustrations, and photographs for clarity.

Digital Access:

N/A (Software)

Digital Media:

N/A (Software)

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, DOHC, 24 valves

Engine Code:

M104.945

Displacement:

3.2 Liters (3199 cc)

Horsepower:

217 hp @ 5500 rpm

Torque:

229 lb-ft @ 3750 rpm

Fuel Delivery:

Electronic Fuel Injection (Bosch Motronic M1.3 or similar)

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher)

Coolant Type:

MB coolant specification 325.0 (or equivalent G05/HOAT coolant), typically 50/50 mix with distilled water.

Oil Capacity:

Approx. 8.5 liters (with filter)

Oil Type:

SAE 0W-30 or 5W-40, MB-Approval 229.1 or 229.3 specification.

🔧 Transmission

Transmission Type:

5-speed Automatic (722.6 '722.6' series)

Optional Transmission:

N/A (All US market 1998 E320 W210 were automatic)

Transmission Control:

Electronic Control Unit (TCU) with multiple shift modes (e.g., Comfort, Sport).

Transmission Fluid Type:

MB 236.10 or 236.12 specification Automatic Transmission Fluid (ATF), commonly known as 'Mobil ATF 134' or equivalent.

📐 Dimensions

Length:

189.9 inches (4826 mm)

Width:

70.2 inches (1783 mm)

Height:

56.7 inches (1440 mm)

Curb Weight:

Approx. 3600-3700 lbs (1633-1678 kg)

Gross Vehicle Weight Rating:

Approx. 4586 lbs (2080 kg)

🛡️ Safety Features

NHTSA Frontal Impact:

4-star driver, 4-star passenger (for 1998 models based on available data, actual ratings might vary slightly by specific test year).

ABS:

Standard

Traction Control:

Standard (ASR - Acceleration Skid Regulation)

Airbags:

Driver and front passenger airbags standard. Optional side airbags.

Seatbelts:

Pretensioning front seatbelts, rear three-point seatbelts.

💡 Technology Features

Audio System:

Factory AM/FM/Cassette or CD player with premium speaker options (e.g., Bose).

Navigation:

Optional factory navigation system, often CD-ROM based.

Cruise Control:

Standard electronic cruise control.

Rain Sensing Wipers:

Optional on some models.

Phone Integration:

Optional factory telephone system or provision for aftermarket installation.

🔧 Maintenance

Oil Change Interval:

Every 7,500 to 10,000 miles (or 12,000 to 16,000 km) or annually, whichever comes first, depending on driving conditions and oil used. Check 'Service A' or 'Service B' indicators.

Transmission Service:

Recommended every 40,000 to 60,000 miles (64,000 to 96,000 km) for fluid and filter change.

Coolant Change:

Every 2 years or 30,000 miles (48,000 km).

Spark Plug Replacement:

Around 60,000 to 100,000 miles (96,000 to 160,000 km), depending on plug type. Factory plugs were typically long-life.

Brake Fluid Type:

DOT 3 or DOT 4 (check specific vehicle placard, MB typically uses DOT 4 variants).

Power Steering Fluid:

MB specification 236.3 (Pentosin CHF 11S or equivalent approved fluid).

Cooling System Leaks:

Plastic coolant reservoirs can become brittle and crack. Water pump seals and hoses are also potential leak points.

Mass Air Flow Sensor:

Can become contaminated, leading to rough idling and poor performance. Cleaning or replacement may be required.

Window Regulators:

Plastic components in the window regulator mechanism can fail, causing windows to drop.

Seat Heater Elements:

Can fail over time, especially in driver's seat.

Harmonic Balancer:

The rubber insert in the harmonic balancer can degrade, leading to vibrations and potential failure.

📚 Vehicle History

Mercedes Benz Legacy:

Long-standing reputation for engineering excellence, safety, and luxury since the late 19th century.

W210 Introduction:

The W210 chassis replaced the W124 E-Class and introduced a more rounded, modern styling. The 1998 model year falls within the early production phase of this generation.

W210 Design:

Known for its quad-headlight design, a significant departure from its predecessor.

Production Years:

W210 E-Class: 1995-2002

Manufacturing Locations:

Primary production in Sindelfingen, Germany.

🏆 Awards & Recognition

Car And Driver 10Best:

The W210 E-Class generally received strong reviews and was often considered a benchmark in its class for comfort and refinement. While specific model year awards might vary, the generation was highly regarded.

Konsumen Reports Ratings:

Consumer Reports often rated Mercedes-Benz models favorably for comfort and performance, though repair costs could be a factor. Specific reliability ratings vary by model year and component.