2003 Mercedes C-Class (W203) Service and Repair Manual

常规价格: $16.99
促销价: $16.99
常规价格
单价: 单价

🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Model Code: W203 Model Year: 2003 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon Positioning Statement: The W203 C-Class represented Mercedes-Benz's entry...

21 people are viewing this right now

类型: Car

斯库: 183233

标签: 2003 C-Class Car Cars Mercedes Misc W203

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

C-Class

Model Code:

Model Year:

👋 Introduction

Market Position

Segment:

Compact Executive Sedan/Coupe/Wagon

Positioning Statement:

The W203 C-Class represented Mercedes-Benz's entry into a more accessible luxury segment, blending premium quality with robust engineering and advanced technology.

Competitive Analysis

Key Competitors:

BMW 3 Series (E46), Audi A4 (B6), Lexus IS, Acura TL, Infiniti G35.

Key Features

Premium Attributes:

High build quality, comfortable ride, sophisticated interior, strong brand reputation, advanced safety features.

Technological Advancements:

Introduction of CAN-bus networking, advanced driver assistance systems (optional), and improved interior ergonomics.

📋 Manual Details

Coverage Areas

Overall Coverage:

All Models & All Repairs A-Z

Page Count

Estimated Page Count:

Refer to specific manual edition (typically 1000+ pages)

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF) or Printed

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine overhaul, cylinder head, block, crankshaft, pistons, connecting rods, timing system, oil pump, lubrication system, cooling system.

Engine Management:

Fuel injection, ignition system, emissions control, engine control module (ECM) diagnosis and replacement, sensor testing.

Transmission Manual:

Clutch system, gearbox overhaul, gear selection, drive axles.

Transmission Automatic:

Automatic transmission overhaul, valve body, torque converter, transmission control module (TCM), fluid and filter changes.

Brakes:

Front and rear brake systems, ABS, ESP, brake fluid service, caliper and rotor replacement, parking brake.

Suspension:

Front and rear suspension components, shock absorbers, struts, control arms, ball joints, wheel bearings, alignment procedures.

Steering:

Power steering system, steering rack, steering column, wheel alignment.

Electrical:

Battery, charging system, starter, lighting systems, power windows, power seats, central locking, ignition switch, wiring diagrams, fuse and relay locations.

Climate Control:

HVAC system, air conditioning (A/C) compressor, evaporator, condenser, refrigerant service, heater core, climate control module.

Body And Interior:

Body panel removal and installation, door mechanisms, interior trim, seats, dashboard, headliner, body repair, rust prevention.

Chassis:

Frame components, subframes, exhaust system, fuel tank and lines, driveline.

Diagnostic Troubleshooting:

On-Board Diagnostics (OBD-II), fault code interpretation, symptom-based troubleshooting guides.

Procedures Included

Scheduled Maintenance:

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

Routine Inspections:

Inspection of belts, hoses, suspension components, brake wear, exhaust system integrity.

Repair Procedures:

Step-by-step instructions for component removal, installation, and repair for all covered systems.

Troubleshooting Guides:

Systematic approaches to diagnosing and resolving common and complex vehicle issues.

Diagnostic Testing:

Procedures for testing electrical circuits, sensors, actuators, and control modules.

Wiring Diagrams:

Detailed wiring schematics for all electrical systems, aiding in fault diagnosis.

Technical Depth

Depth:

Comprehensive (A-Z), from basic maintenance to complete engine and transmission rebuilds.

Target Audience:

Professional Technicians and DIY Enthusiasts

📊 Manual Specifications

File Format

Digital Features:

Searchable text, hyperlinked sections, printable pages.

Print Quality

Print Quality:

High-resolution diagrams and text (for printed versions).

Binding Type

Binding Type:

Perfect bound or spiral bound (for printed versions, allowing for flat opening).

Paper Type

Paper Type:

Durable, glossy or semi-gloss paper to withstand workshop conditions (for printed versions).

⚙️ Engine Specifications

Primary Engine Options

C230 Kompressor:

2.3L Supercharged Inline-4 (M111 E23 ML), 192 hp @ 5500 rpm, 200 lb-ft @ 2500-4800 rpm

C240:

2.6L V6 (M112 E26), 174 hp @ 5700 rpm, 192 lb-ft @ 4500 rpm

C320:

3.2L V6 (M112 E32), 215 hp @ 5700 rpm, 229 lb-ft @ 3000-4800 rpm

Performance

C32 Amg:

3.2L Supercharged V6 (M112 E32 ML), 349 hp @ 6100 rpm, 332 lb-ft @ 3500 rpm

Fuel System

Injection Type:

Sequential Multi-Point Fuel Injection (MPI)

Fuel Type:

Premium Unleaded Gasoline (91+ octane recommended)

Engine Codes 2003

M111 E23Ml:

2.3L Supercharged (C230 Kompressor)

M112 E26:

2.6L V6 (C240)

M112 E32:

3.2L V6 (C320)

M112 E32Ml:

3.2L Supercharged V6 (C32 AMG)

🔧 Transmission

Standard Transmission

C230 Kompressor:

6-Speed Manual

C240:

5-Speed Automatic (722.6)

Optional Transmission

C230 Kompressor:

5-Speed Automatic (722.6)

C320:

5-Speed Automatic (722.6)

Features

Automatic Transmission Features:

TouchShift, Comfort/Sport modes.

Fluid Specifications

Automatic Transmission Fluid:

MB Spec 236.10 or 236.12 (e.g., Pentosin ATF1 or Mobil ATF 220/330).

Fluid Capacities

Automatic Transmission Fill Capacity:

Approximately 7.5-8.5 liters (refer to manual for exact quantity and procedure).

📐 Dimensions

Exterior

Length:

Approx. 4526 mm (178.2 in)

Width:

Approx. 1728 mm (68.0 in)

Height:

Approx. 1423 mm (56.0 in)

Wheelbase

Wheelbase:

Approx. 2715 mm (106.9 in)

Weights

Curb Weight:

Varies by model and equipment, typically 1400-1600 kg (3086-3527 lbs).

Cargo

Trunk Volume:

Approx. 455 liters (16.1 cu ft).

🛡️ Safety Features

Ratings

NHTSA Front Impact:

5 Stars

NHTSA Side Impact:

4 Stars

Active Features

Electronic Stability Program:

Standard (ESP)

Anti Lock Braking System:

Standard (ABS)

Traction Control System:

Standard (ASR)

Passive Features

Airbags:

Front airbags, side airbags, optional curtain airbags.

Seatbelts:

Front and rear three-point seatbelts with pretensioners and load limiters.

Child Seat Anchors:

ISOFIX/LATCH system.

💡 Technology Features

Infotainment

Audio System:

Optional COMAND (Cockpit Management and Navigation) system, Becker Audio systems with CD player and optional navigation.

Driver Assistance

Optional Systems:

Distronic (adaptive cruise control), Bi-Xenon headlamps with cornering function, rain-sensing wipers, automatic climate control.

Connectivity

Telematics:

Optional Mercedes-Benz TeleAid system for emergency assistance and vehicle tracking.

🔧 Maintenance

Service Intervals

Oil And Filter Change:

Typically every 10,000 miles or 1 year (depending on driving conditions and oil used), often indicated by the 'Service A' or 'Service B' reminder system.

Major Service Points:

Spark plugs (approx. 60,000 miles), brake fluid (every 2 years), coolant (approx. every 30,000 miles or 2 years), transmission fluid (check manual, often considered 'lifetime' but 40k-60k mile changes are recommended by many.

Fluid Specifications

Engine Oil:

MB Spec 229.5 (e.g., Mobil 1 0W-40 Synthetic)

Coolant:

MB Spec 325.0 or 326.0 (Blue or Green antifreeze concentrate).

Brake Fluid:

DOT 4 Plus (MB Spec 331.0).

Known Issues

Mass Airflow Sensor:

Common for MAF sensor to become dirty or fail, causing rough idle and poor performance.

Crankshaft Position Sensor:

Can lead to no-start conditions or stalling.

Ignition Coils And Spark Plugs:

Misfires can occur, especially on higher mileage vehicles.

Window Regulators:

Plastic components can break, leading to windows not operating.

Valve Cover Gasket Leaks:

Common on V6 engines, leading to oil leaks.

ABS Esp Wheel Speed Sensors:

Can trigger ABS/ESP warning lights, impacting braking performance.

O2 Sensors:

Can affect fuel economy and emissions.

📚 Vehicle History

Brand Heritage

Mercedes Benz Legacy:

Over a century of automotive innovation, known for engineering excellence, safety, and luxury.

Model Evolution

W203 Generation:

Second generation C-Class, introduced in 2000 for the 2001 model year, with a significant facelift in 2004.

Production

Production Years:

2000-2007 (W203 platform)

Manufacturing Locations:

Germany (Sindelfingen, Bremen), South Africa, Hungary.

🏆 Awards & Recognition

Recognitions

Safety Awards:

Consistently received high safety ratings from IIHS and NHTSA for its class.

Model Achievements:

Recognized for its blend of luxury, performance, and value within the compact executive segment.