🏷️ Basic Information

Make:

Mercedes-Benz

Model:

C240

Year:

2001

Chassis Code:

W203

Generation Name:

First Generation (W203)

👋 Introduction

Segment:

Compact Executive Sedan

Target Audience:

Owners seeking to perform maintenance, repairs, and diagnostics on their 2001 Mercedes-Benz C240.

Competitors 2001:

BMW 3 Series (E46), Audi A4 (B6), Lexus IS300, Acura TL

Design Philosophy:

Combines Mercedes-Benz luxury and comfort with a more accessible entry-level executive sedan package.

Licensing:

Officially Licensed Product, ensuring accuracy and authenticity.

Digital Advantage:

Instant online access, searchable content, and potential for interactive diagrams or links.

📋 Manual Details

Systems Covered:

Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body & Interior, Diagnostics, Maintenance Schedules, Specifications

Estimated Pages:

1500+

Type:

Official Service and Repair Manual Software

Language:

English

Format:

Software (likely PDF or proprietary application)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, valve train, pistons, crankshaft, camshafts, timing system, oil pump, oil cooler, cooling system, lubrication system, fuel injection system (ME 2.8)

Engine Management:

ECU diagnosis, sensors (crankshaft position, camshaft position, MAF, MAP, O2, coolant temp), actuators (injectors, ignition coils), emissions control (catalytic converter, EVAP)

Transmission Drivetrain:

5G-TRONIC automatic transmission (722.6), gearbox assembly, torque converter, shift controls, drive shafts, differential, axle shafts, wheel bearings

Suspension Steering:

Front MacPherson strut suspension, rear multi-link suspension, shock absorbers, coil springs, control arms, bushings, steering system (rack and pinion), power steering pump, steering column

Brakes:

Front and rear disc brakes, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), brake calipers, rotors, pads, brake lines, brake fluid, parking brake

Electrical System:

Battery, charging system (alternator), starting system (starter motor), ignition system, lighting system (headlights, taillights, interior lights), fuses, relays, wiring diagrams, body control module (BCM), multiplexing systems

HVAC:

Air conditioning system, climate control, heater core, evaporator, compressor, refrigerant R134a, blower motor, ducting, cabin air filter

Body Interior:

Body panels, doors, hood, trunk, interior trim, seats, airbags, seat belts, windows, locks, exterior trim, bumpers

Maintenance:

Oil changes, filter replacements (oil, air, cabin), spark plug replacement, fluid checks and changes (coolant, brake fluid, power steering fluid, transmission fluid), belt inspection and replacement

Diagnostics:

Troubleshooting guides, fault code retrieval and interpretation (OBD-II), component testing, diagnostic connector pinouts

Repair:

Engine component overhaul, transmission service and repair, brake system bleeding and component replacement, suspension and steering component replacement, electrical system diagnosis and repair, HVAC system repairs, body panel repair and replacement

Adjustments:

Wheel alignment specifications, steering wheel centering, parking brake adjustment

Depth:

Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and wiring diagrams.

📊 Manual Specifications

File Type:

Software Application (likely executable or interactive PDF)

Searchability:

Searchable text content for quick information retrieval

Printable Pages:

Allows for printing of specific sections or full manuals

Binding:

N/A (Software)

Paper:

N/A (Software)

⚙️ Engine Specifications

Engine Code:

M112 E26

Engine Type:

Naturally Aspirated V6

Displacement:

2.6 Liters (2597 cc)

Bore X Stroke:

89.9 mm x 68.2 mm

Compression Ratio:

10.5:1

Horsepower Hp:

168 hp @ 5700 rpm

Torque Lb-Ft:

177 lb-ft @ 4500 rpm

Fuel Delivery:

Sequential Electronic Fuel Injection (SEFI)

Fuel Type:

Premium Unleaded Gasoline (91 Octane Recommended)

Cylinder Block Material:

Aluminum Alloy

Cylinder Head Material:

Aluminum Alloy

Valvetrain:

SOHC (Single Overhead Camshaft) with 3 valves per cylinder (18 valves total)

Coolant Type:

Mercedes-Benz Approved Antifreeze/Coolant (e.g., G05 or equivalent)

Coolant Capacity Liters:

Approx. 8.5 Liters

Oil Type:

Mobil 1 Synthetic (or Mercedes-Benz Approved Synthetic 5W-40, 0W-40)

Oil Capacity Liters:

Approx. 6.5 Liters (with filter)

🔧 Transmission

Transmission Type:

5-Speed Automatic (5G-TRONIC)

Transmission Code:

722.6

Optional Transmission:

None offered for this specific C240 model year in most markets.

Shift Modes:

Comfort (C) and Sport (S) modes

Transmission Fluid Type:

MB Spec 236.10 or 236.12 Automatic Transmission Fluid (ATF)

Transmission Fluid Capacity:

Approx. 7.5 Liters (for complete fill, varies with torque converter drain)

📐 Dimensions

Length Mm:

4526 mm

Width Mm:

1728 mm

Height Mm:

1425 mm

Wheelbase Mm:

2715 mm

Curb Weight Kg:

Approx. 1440 kg

Gross Vehicle Weight Rating Kg:

Approx. 1935 kg

Trunk Volume Liters:

Approx. 455 Liters

Standard Wheel Size:

16-inch Alloy

Standard Tire Size:

205/55 R16

Bolt Pattern:

5x112

Center Bore Mm:

66.6 mm

🛡️ Safety Features

NHTSA Front Impact:

5-Star (for similar models/years)

IIHS Front Impact:

Good (for similar models/years)

ABS:

Standard Anti-lock Braking System

Esp:

Standard Electronic Stability Program (ESP)

Traction Control:

Standard Acceleration Skid Control (ASR)

Airbags:

Frontal airbags for driver and passenger, front side-impact airbags, front and rear window curtain airbags (optional or standard depending on trim/market)

Seatbelts:

Pretensioning front seat belts with load limiters, three-point rear seat belts

Head Restraints:

Active front head restraints (optional)

💡 Technology Features

Head Unit:

Audio 20 (CD player, AM/FM radio, potentially cassette)

Optional Audio:

APS 30 (Navigation system with CD-ROM)

Speaker System:

Standard 6 or 8 speaker system, optional Bose sound system

Cruise Control:

Standard Cruise Control with Speedtronic variable speed limiter.

Rain Sensing Wipers:

Optional

Automatic Headlights:

Optional

Telematics:

Optional Tele Aid system (emergency call service).

Phone Integration:

Optional Bluetooth interface (HFP, SAP profiles depending on module).

🔧 Maintenance

Oil Change Interval:

Every 10,000 miles or 12 months, whichever comes first (using synthetic oil).

Air Filter Replacement:

Every 30,000 miles or 24 months.

Cabin Filter Replacement:

Every 15,000 miles or 12 months.

Spark Plug Replacement:

Every 60,000 miles (using Iridium spark plugs).

Transmission Fluid Service:

Every 60,000 miles or 4 years.

Coolant Flush Interval:

Every 30,000 miles or 2 years.

Brake Fluid:

DOT 4 (or DOT 3 if specified)

Power Steering Fluid:

Pentosin CHF 11S (or equivalent hydraulic fluid specified by Mercedes-Benz)

Windshield Washer Fluid:

Approved Mercedes-Benz washer fluid concentrate or equivalent

Common Problems:

Mass Air Flow (MAF) sensor issues, ignition coil failures, ABS/ESP sensor faults, oil leaks from valve cover gaskets or oil filter housing, sagging headliner, transmission conductor plate issues (in some cases), early thermostat housing leaks.

Troubleshooting Focus:

Manual provides specific diagnostic steps and repair procedures for these common issues.

📚 Vehicle History

Heritage:

Mercedes-Benz has a long-standing reputation for engineering excellence, luxury, and safety dating back to the late 19th century.

Predecessor:

Mercedes-Benz C-Class (W202)

Successor:

Mercedes-Benz C-Class (W204)

Introduction W203:

The W203 generation debuted in 2000 for the 2001 model year, representing a significant redesign with a more modern aesthetic and advanced technology.

Production Years W203:

2000-2007 (Sedan), 2001-2007 (Coupe), 2002-2007 (Wagon)

Manufacturing Locations:

Germany (Sindelfingen, Bremen), South Africa, Malaysia, Egypt

🏆 Awards & Recognition

General Recognition:

The W203 C-Class was generally well-received for its comfortable ride, refined interior, and solid build quality, though it faced stiff competition.

Specific Awards:

While specific awards for the 2001 C240 might be rare, the C-Class platform generally garnered praise in automotive reviews for its balance of luxury and sportiness.