🏷️ Basic Information

Make:

Mercedes-Benz

Model:

SL500

Year:

2003

Chassis Code:

R230

Engine Code:

M113 E50

👋 Introduction

Positioning:

The Mercedes-Benz SL500 (R230) was positioned as a premium grand tourer and luxury convertible, blending high performance with advanced technology and comfort. It appealed to discerning buyers seeking sophisticated open-top motoring with a strong brand heritage.

Competitors:

Competed with vehicles like the Porsche 911 Cabriolet, BMW 6 Series Convertible, and Jaguar XK convertible, offering a more comfort-oriented and technologically advanced alternative.

Features:

Retractable hardtop (vario-roof), powerful V8 engine, advanced suspension system (Active Body Control - ABC), premium interior materials, sophisticated infotainment and climate control, high level of safety features.

📋 Manual Details

Coverage:

Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (U.S. Only), Cleaning, Maintenance, Specifications, Engine Compartment, Engine Oil, Battery, Fuel Information, Air Filter(s), Part Numbers, Refill Capacities, Lubricant Specifications, Accessories, Repair Information, Service Information, Maintenance Information

Estimated Page Count:

Varies by specific factory release, often 300-500 pages for comprehensive owner's manuals.

Type:

Owner's Manual / Service Information

Language:

English

Format:

Digital PDF

📖 Manual Coverage

Systems:

Engine operation and maintenance, powertrain controls, climate control system (THERMATIC/THERMOTRONIC), lighting systems (headlights, interior lights), power locks and central locking, security systems (immobilizer, alarm), seating adjustments and power functions, safety restraint systems (airbags, seatbelts), electronic systems (instrument cluster, infotainment), basic vehicle operation, driving aids, fluid levels and types, filters, battery maintenance, fuel system, cooling system, lubrication system, exhaust system, chassis and suspension basics, brake system overview, steering system overview.

Procedures:

Basic maintenance checks (oil, coolant, washer fluid), tire pressure checks and adjustments, changing wiper blades, fuel filling procedures, understanding dashboard warning lights and indicators, operation of comfort features (seats, climate control, convertible top), basic troubleshooting for common issues, cleaning and care recommendations, refilling fluid capacities, understanding technical specifications, identifying part numbers for common consumables.

Depth:

Comprehensive coverage of owner-operated maintenance, system functionalities, and basic troubleshooting. While not a full workshop repair manual, it provides essential information for understanding vehicle operation and performing routine upkeep. It details 'what' and 'how' for the owner's interaction with the vehicle's systems and basic maintenance tasks.

📊 Manual Specifications

Format:

PDF

Printability:

Printable from any computer and printer.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Format)

Size:

Can be very large, up to 1 GB, requiring sufficient storage space and a stable internet connection for download.

Requirements:

Requires a PDF reader (e.g., Adobe Acrobat Reader, Foxit Reader) or compatible software.

Compression:

Some manuals may be zipped, requiring WinZip or WinRAR to extract.

⚙️ Engine Specifications

Engine:

5.0L V8 (M113 E50)

Horsepower:

302 hp @ 5600 rpm

Torque:

339 lb-ft @ 2700-4250 rpm

System:

Electronic Fuel Injection (EFI), Bosch Motronic ME 2.8

Layout:

Front-mounted, longitudinal

Specification:

MB 229.5 or MB 229.51 (e.g., Mobil 1 0W-40)

Capacity:

Approximately 8.0 liters (8.5 US quarts)

Octane Rating:

Premium Unleaded (91 AKI or higher)

Part Number:

A2710900101 (Example, consult specific parts catalog for exact fitment)

🔧 Transmission

Type:

5-speed Automatic (722.6)

Type:

N/A for 2003 SL500

Features:

TouchShift manual shifting mode, electronically controlled.

Fluid Type:

MB 236.10 or MB 236.12 Automatic Transmission Fluid (ATF) (e.g., Shell ATF 134)

Capacity:

Approximately 7.5 - 8.0 liters (7.9 - 8.5 US quarts) for a dry fill. Fluid level check typically done when warm.

📐 Dimensions

Length:

177.9 inches (4519 mm)

Width:

73.1 inches (1857 mm)

Height:

52.5 inches (1333 mm)

Curb Weight:

Approximately 4,000 - 4,200 lbs (1814 - 1905 kg)

Gross Vehicle Weight Rating:

Approx. 4,800 lbs (2177 kg)

Trunk Volume:

Approx. 11.2 cu ft (317 L) with roof up, reduced significantly with roof down.

🛡️ Safety Features

NHTSA Front Impact:

Not rated for this specific model year by NHTSA for the R230 generation in all categories, but typically performed well in internal tests.

IIHS Rating:

Not specifically rated by IIHS for this model year.

Active Safety:

Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (ASR), Active Body Control (ABC) suspension.

Passive Safety:

Dual-stage front airbags, side-impact airbags (integrated into seats), knee airbags (driver), rollover protection system (pop-up bars), pre-tensioning seatbelts, crumple zones.

💡 Technology Features

Head Unit:

COMAND (Cockpit Management and Navigation Device) with CD player, optional navigation system, radio, and cassette player.

Audio System:

Bose premium sound system with amplifier.

Driver Assistance:

Cruise control, optional Distronic (adaptive cruise control), parking assist (Parktronic).

Connectivity:

Optional Mercedes-Benz integrated mobile phone preparation (often with a cradle and antenna connection).

Top Operation:

Electro-hydraulic retractable hardtop with automatic roll-over protection system.

🔧 Maintenance

Major Service:

Mercedes-Benz typically recommends 'Service A' and 'Service B' intervals, which vary based on driving conditions, usually around every 10,000 miles or annually. Specific items like spark plugs, transmission fluid, brake fluid, and coolant have longer intervals. Consult the manual for the 'flexible' service indicator system.

Brake Fluid:

DOT 4 Plus (MB 331.0)

Coolant:

Mercedes-Benz G48 or equivalent silicate-free, OAT coolant (e.g., Zerex G-48)

Power Steering Fluid:

MB Spec 343.0 hydraulic fluid (e.g., Pentosin CHF 11S for ABC system, consult manual for steering system fluid if different).

Common Issues:

Active Body Control (ABC) suspension leaks or malfunctions, convertible top hydraulic system issues, alternator failure, crank position sensor failure, mass airflow sensor issues, early generation EIS (Electronic Ignition Switch) problems, wheel speed sensor failures.

Part Number:

NGK Iridium (e.g., BKR6EIX-11)

Size Driver Side:

26 inches

Size Passenger Side:

24 inches

📚 Vehicle History

Heritage:

Mercedes-Benz has a long-standing heritage in producing luxury roadsters and grand tourers, with the 'SL' designation representing 'Sport Leicht' (Sport Light) since the iconic 300 SL 'Gullwing' of the 1950s.

Evolution:

The R230 generation replaced the R129 SL-Class. It marked a significant technological leap with the introduction of the vario-roof (retractable hardtop) and Active Body Control (ABC) suspension, offering a more modern interpretation of the SL.

Production Years:

2003-2012 (R230 generation).

Location:

Bremen, Germany.

🏆 Awards & Recognition

Market Recognition:

Generally well-received for its blend of performance, luxury, and innovative technology upon its release. Often cited for its refined ride and powerful engine.