🏷️ Basic Information

Make:

Mercedes-Benz

Model:

SLK32 AMG

Year:

2003

Chassis Code:

R170

Engine Code:

M112 E32 ML

👋 Introduction

Market Position:

The 2003 Mercedes-Benz SLK32 AMG represented the pinnacle of performance within the R170 SLK-Class roadster lineup, targeting enthusiasts seeking potent German engineering in a compact, stylish package.

Competitive Analysis:

Competed with high-performance compact roadsters such as the Porsche Boxster S, BMW Z4 M Roadster, and Audi TT 3.2 quattro.

Key Features:

Supercharged V6 engine, AMG performance enhancements, retractable vario-roof, sporty handling, premium interior appointments.

Target Audience:

Professional Mercedes-Benz technicians, independent repair shops, and advanced DIY enthusiasts with a strong mechanical aptitude.

📋 Manual Details

Coverage Areas:

Engine, Drivetrain, Suspension, Brakes, Steering, Electrical System, HVAC, Bodywork, Diagnostic Trouble Codes (DTCs), Maintenance Schedules

Page Count:

Over 1500 Pages (Estimated for comprehensive digital software)

Manual Type:

Official Service and Repair Manual Software

Language:

English

Format:

Software (Digital Download)

Update Information:

This software likely incorporates technical updates and service bulletins relevant to the 2003 model year SLK32 AMG.

User Interface:

Intuitive interface with hyperlinked sections for easy navigation and cross-referencing.

📖 Manual Coverage

Systems Covered:

Engine mechanical and electrical, Fuel and Emissions, Transmission (5-Speed Automatic 5G-Tronic), Drivetrain (Rear-Wheel Drive), Suspension (Front: MacPherson strut, Rear: Multi-link), Steering (Hydraulic power assist), Braking System (ABS, ESP, Ventilated Discs Front/Rear), Climate Control (Klimatronic), Body and Chassis, Electrical System (including CAN bus diagnostics), SRS Airbag System, Infotainment System

Procedures Included:

Routine Maintenance, Troubleshooting and Diagnostics, Engine Repair and Overhaul, Transmission Service and Rebuild, Brake System Service and Replacement, Suspension and Steering Component Replacement, Electrical System Diagnosis and Repair, HVAC System Repair, Body Panel Repair and Replacement, Wiring Diagrams, Component Testing, Special Tools Required

Technical Depth:

Comprehensive diagnostic procedures, detailed step-by-step repair instructions, torque specifications, electrical schematics, exploded views, and service bulletins.

Diagnostic Codes Coverage:

Includes a comprehensive listing and explanation of Diagnostic Trouble Codes (DTCs) for all major vehicle systems, aiding in precise troubleshooting.

Wiring Schematics Coverage:

Detailed color-coded wiring diagrams for all electrical systems, including engine management, lighting, comfort features, and communication networks.

📊 Manual Specifications

File Format:

Proprietary Software Executable (requiring installation on compatible operating system, likely Windows)

Print Quality:

N/A (Digital Software)

Binding Type:

N/A (Digital Software)

Paper Type:

N/A (Digital Software)

Searchability:

Highly searchable text content, allowing for quick navigation to specific topics or procedures.

⚙️ Engine Specifications

Primary Engine:

3.2L Supercharged V6 (M112 E32 ML)

Horsepower:

354 hp @ 6100 rpm

Torque:

332 lb-ft @ 3500-4500 rpm

Fuel System:

Electronic Fuel Injection (EFI) with Bosch Motronic ME 2.8, Roots-type supercharger

Bore X Stroke:

89.9 mm x 84.0 mm

Compression Ratio:

9.0:1

Valvetrain:

SOHC (Single Overhead Camshaft) with 3 valves per cylinder (2 intake, 1 exhaust)

Supercharger Type:

Twin-screw (Lysholm type) supercharger

Engine Oil Type:

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

Engine Oil Capacity:

8.0 liters (with filter)

Coolant Type:

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

Emission Control Systems:

Catalytic converter, secondary air injection system, evaporative emissions control (EVAP).

🔧 Transmission

Standard Transmission:

5-Speed Automatic (722.632 AMG Speedshift)

Transmission Features:

AMG Speedshift functionality for faster gear changes, manual mode selection.

Transmission Fluid Type:

MB Approved 236.10 (e.g., Shell ATF 134 or equivalent)

Transmission Fluid Capacity:

9.0 liters (dry fill), 7.5 liters (service fill)

Transmission Gear Ratios:

1st: 3.59, 2nd: 2.19, 3rd: 1.41, 4th: 1.00, 5th: 0.83, Reverse: 3.15, Final Drive: 3.06

Transmission Cooling:

Integrated transmission oil cooler.

📐 Dimensions

Length:

161.5 inches (4102 mm)

Width:

68.7 inches (1745 mm)

Height:

50.5 inches (1283 mm)

Wheelbase:

87.5 inches (2222 mm)

Curb Weight:

3263 lbs (1480 kg)

Gross Vehicle Weight Rating:

Approx. 4012 lbs (1820 kg)

Cargo Volume:

7.5 cubic feet (with roof up), significantly reduced when roof is stowed.

Wheel Bolt Pattern:

5x112

Wheel Size:

17 inch (standard AMG wheels)

Tire Size Front:

225/45R17

Tire Size Rear:

245/40R17

🛡️ Safety Features

NHTSA Overall Rating:

Not explicitly rated under current NHTSA protocols for this model year, but expected to be high for its era.

Active Features:

Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (TCS), Roll Bar System

Passive Features:

Driver and Passenger Airbags, Side-impact Airbags, Pretensioner seatbelts, Rollover protection system

Safety Features:

Headlamp washers, fog lamps, limited-slip differential (standard on AMG models for improved traction).

💡 Technology Features

Infotainment System:

COMAND (Cockpit Management and Navigation) system with CD player, optional Bose sound system, navigation capabilities.

Driver Assistance Features:

Cruise Control, Traction Control (ASR), Electronic Stability Program (ESP), Parktronic parking assist (optional)

Connectivity Features:

Pre-wiring for CD changer, optional hands-free telephone system.

🔧 Maintenance

Oil Change Interval:

Every 10,000 miles or 1 year, whichever comes first (under normal driving conditions).

Air Filter Replacement:

Every 30,000 miles or 2 years.

Spark Plug Replacement:

Every 60,000 miles (refer to manual for specific type/gap).

Transmission Service:

Every 40,000 miles (fluid and filter change).

Brake Fluid Type:

DOT 4 (MB Approved 331.0)

Power Steering Fluid Type:

MB Approved 236.3 (e.g., Pentosin CHF 11 S)

Transfer Case Fluid Type:

N/A (Rear-Wheel Drive)

Differential Fluid Type:

MB Approved 235.7 (Hypoid gear oil, API GL-5)

Known Issues:

Variable Valve Timing (VVT) solenoid issues, oil cooler leaks, mass air flow sensor (MAF) problems, electronic module failures, supercharger pulley bearing wear, interior trim degradation (especially common in convertibles), ABC suspension issues (if equipped, though less common on SLK32 compared to larger models).

Maintenance Schedule Details:

Detailed intervals for all major services (A, B, etc.) including checks of brakes, steering, suspension, belts, hoses, and fluid levels, with specific procedures outlined for each.

📚 Vehicle History

Brand Heritage:

Mercedes-Benz has a long-standing reputation for luxury, engineering excellence, and motorsport involvement, with AMG being its performance division.

Model Evolution:

The R170 SLK-Class was introduced in 1996. The SLK32 AMG, launched for the 2002 model year, was the highest performance variant of the first generation (R170), featuring a supercharged V6 engine developed by AMG.

Production Years:

2002-2004

Manufacturing Location:

Bremen, Germany

🏆 Awards & Recognition

Recognitions:

While specific awards for the 2003 SLK32 AMG are not widely documented, the R170 SLK-Class generally received praise for its innovative vario-roof and sporty character. AMG variants are consistently recognized for their performance capabilities.