🏷️ Basic Information

Make:

Mercedes-Benz

Model:

SLK32 AMG

Year:

2004

Chassis Code:

R171

Engine Code:

112.960 (M112 E32 ML)

👋 Introduction

Segment:

Compact Luxury Sports Roadster

Niche:

High-performance variant of the SLK-Class, targeting enthusiasts seeking AMG power and handling in a convertible package.

Competitors:

BMW Z4 M, Porsche Boxster S, Audi TT Quattro Sport.

Body Style:

Two-door convertible with a retractable hardtop (Vario-roof).

Performance Focus:

Tuned AMG engine, sport-tuned suspension, and enhanced braking systems distinguish it from standard SLK models.

Manual Value:

Provides essential information for maintaining the AMG performance and complex systems of this specialized vehicle.

📋 Manual Details

Systems Covered:

Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Bodywork, Interior, Diagnostics, Maintenance, Troubleshooting, Wiring Diagrams

Estimated Pages:

1500+

Type:

Official Factory Service & Repair Manual Software

Language:

English

Format:

Software (likely a proprietary executable or PDF archive)

📖 Manual Coverage

Engine Mechanical:

Detailed procedures for disassembly, inspection, repair, and reassembly of the M112 engine, including cylinder head, pistons, crankshaft, valvetrain, timing components, oil pump, cooling system, and supercharger.

Engine Performance:

Fuel injection system, ignition system, emission control systems, turbocharging/supercharging system (supercharger operation and maintenance).

Transmission:

Complete coverage of the 5G-TRONIC (722.6) automatic transmission, including internal components, valve body, torque converter, hydraulic controls, electronic control unit, fluid service, and troubleshooting.

Drivetrain:

Rear-wheel drive system, differential, drive shafts, axle components, and related maintenance.

Suspension And Steering:

Front and rear suspension components (struts, control arms, ball joints, bushings), power steering system, steering rack, and wheel alignment procedures.

Brakes:

Antilock Braking System (ABS), Electronic Stability Program (ESP), brake fluid service, caliper and rotor replacement, brake line routing, parking brake system.

Electrical System:

Comprehensive wiring diagrams, fuse box layouts, lighting systems, power windows, central locking, power mirrors, convertible top operation, instrument cluster, audio system, and starter/charging system.

HVAC:

Air conditioning system (refrigerant, compressor, condenser, evaporator), heating system, climate control unit, blower motor, and cabin air filter replacement.

Bodywork And Interior:

Panel removal and installation, door mechanisms, seat adjustments, interior trim, convertible top mechanism and seals.

Diagnostics:

On-Board Diagnostic (OBD-II) system, diagnostic trouble codes (DTCs) and their meanings, use of diagnostic scan tools, component testing procedures.

Scheduled Maintenance:

Detailed service intervals for oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections, brake checks, and comprehensive inspections.

Troubleshooting:

Systematic diagnostic flowcharts and symptom-based troubleshooting guides for common and uncommon issues across all major vehicle systems.

Repair And Rebuild:

Step-by-step instructions for component removal, repair, and reinstallation for nearly every part of the vehicle, from minor adjustments to major overhauls.

Special Tools:

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

Depth:

Comprehensive factory-level technical information, suitable for professional technicians and advanced DIY enthusiasts. Covers detailed specifications, tolerances, torque values, and diagnostic strategies.

📊 Manual Specifications

File Format:

Proprietary software executable or a collection of searchable PDFs. Verified for compatibility with Windows operating systems.

Print Quality:

High-resolution diagrams, clear text, and printable pages.

Binding Type:

N/A (Software format)

Paper Type:

N/A (Software format)

⚙️ Engine Specifications

Engine Type:

Supercharged V6

Displacement:

3.2 Liters (3199 cc)

Bore X Stroke:

89.6 mm x 84.0 mm

Compression Ratio:

8.5:1

Valvetrain:

SOHC (Single Overhead Camshaft) with 3 valves per cylinder

Horsepower:

354 hp @ 6100 rpm

Torque:

334 lb-ft (453 Nm) @ 3500 rpm

Redline:

6400 rpm

Fuel Delivery:

Sequential Electronic Fuel Injection (SEFI)

Supercharger:

Twin-screw supercharger with intercooler

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher)

Engine Oil Capacity:

8.0 Liters (with filter)

🔧 Transmission

Type:

5-Speed Automatic (5G-TRONIC, 722.6)

Shift Modes:

Comfort (C) and Sport (S) modes

Transmission Fluid:

MB-Approved ATF (e.g., Shell ATF 134, Pentosin ATF 3000 or equivalent)

Transmission Fluid Capacity:

8.2 Liters (Dry fill), 6.5 Liters (Service fill)

📐 Dimensions

Length:

169.2 in (4300 mm)

Width:

70.5 in (1790 mm)

Height:

51.0 in (1295 mm)

Wheelbase:

94.5 in (2400 mm)

Front Track:

59.6 in (1514 mm)

Rear Track:

58.7 in (1491 mm)

Curb Weight:

3307 lbs (1500 kg)

Gross Vehicle Weight Rating:

4189 lbs (1900 kg)

Cargo Volume:

6.5 cu ft (184 liters) with roof up; 10.3 cu ft (292 liters) with roof down (approximate, varies slightly with roof position).

🛡️ Safety Features

NHTSA Ratings:

Specific NHTSA ratings for the 2004 SLK32 AMG may vary; generally, the R171 platform received good ratings for its era.

ABS:

Standard Anti-lock Braking System

Esp:

Standard Electronic Stability Program (ESP)

Traction Control:

Standard Traction Control System (ASR)

Airbags:

Driver and passenger front airbags, side airbags.

Rollover Protection:

Integrated roll-over protection bars behind the headrests.

Seatbelts:

Pretensioning seatbelts with force limiters.

💡 Technology Features

Audio System:

Premium sound systems available, often with CD player and optional navigation.

Climate Control:

Automatic climate control with cabin air filtration.

Cruise Control:

Standard cruise control.

Lighting:

Automatic headlamps, fog lamps.

Telephone:

Optional integrated telephone system or Bluetooth preparation.

🔧 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.

Spark Plug Replacement:

Every 60,000 miles (typically iridium-tipped plugs).

Transmission Fluid Service:

Recommended every 30,000-40,000 miles, though sometimes considered 'lifetime' by manufacturers, proactive changes are advisable for longevity.

Engine Oil Spec:

MB 229.5 Specification Synthetic Engine Oil (e.g., Mobil 1 0W-40)

Coolant Spec:

MB-Approved Antifreeze/Coolant (e.g., Glysantin G48 or equivalent)

Brake Fluid Spec:

DOT 4 Plus (or MB-approved equivalent)

Common Wear Items:

Mass airflow sensors, ignition coils, serpentine belts, front suspension bushings, and convertible top hydraulic cylinders can be points of wear.

Supercharger Belt:

The supercharger drive belt may require inspection and potential replacement due to heat and stress.

📚 Vehicle History

Heritage:

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

Generation:

The SLK32 AMG is part of the first generation of the R171 SLK-Class (introduced for 2005 model year), though the R170 SLK was the direct predecessor. This R171 SLK32 AMG represents a specific high-performance variant.

Amg Development:

The SLK32 AMG was one of the first SLK models to receive full AMG treatment, featuring a significantly uprated engine and chassis modifications.

Production Years:

2002-2004

Manufacturing Location:

Bremen, Germany

🏆 Awards & Recognition

Performance Accolades:

AMG models are generally recognized for their performance capabilities and engineering prowess, though specific awards for the 2004 SLK32 AMG are less commonly cited than for later AMG models.

Automotive Press:

The R171 SLK-Class platform was generally well-received by automotive press for its styling, handling, and advanced features.