2004 Mercedes SL-Class (R230) Service and Repair Manual

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🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Chassis Code: R230 Model Year: 2004 Generation Generation Designation: Third Generation (R230) Generation Start Year: 2002 Generation End Year: 2011 Codes Specific...

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Stichworte: 2004 Car Cars Mercedes Misc R230 SL-Class

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Beschreibung

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

SL-Class

Chassis Code:

Model Year:

Generation

Generation Designation:

Third Generation (R230)

Generation Start Year:

Generation End Year:

Codes

Specific Model Code 2004 Sl500:

230.475

Specific Model Code 2004 Sl55 Amg:

230.474

👋 Introduction

Market Position

Vehicle Segment:

Luxury Grand Tourer / Sports Roadster

Target Audience:

Affluent consumers seeking performance, luxury, and advanced technology

Competitive Analysis

Key Competitors 2004:

BMW 6 Series Convertible, Porsche 911 Carrera Cabriolet, Jaguar XK, Lexus SC

Key Features

Defining Feature 1:

Retractable Hardtop (Vario-Roof) offering coupe and convertible experience

Defining Feature 2:

Advanced Active Body Control (ABC) suspension system

Defining Feature 3:

Sensotronic Brake Control (SBC) braking system (on select models)

📋 Manual Details

Coverage Areas

Comprehensive Coverage:

All Models and All Repairs A-Z

Page Count

Estimated Page Count:

1500+

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing system, lubrication system, cooling system, engine management

Engine Performance:

Engine tuning, performance diagnostics, emissions control

Fuel System:

Fuel injection (ME 2.8, ME 2.8.1), fuel pump, fuel filter, fuel pressure regulation, EVAP system

Transmission Automatic:

5G-TRONIC (722.6) automatic transmission, torque converter, valve body, electronic control module (ETC), fluid changes

Suspension:

Active Body Control (ABC) system, hydraulic lines, accumulators, struts, control arms, bushings, springs, shock absorbers

Steering:

Hydraulic power steering system, steering rack, power steering pump, steering column, alignment specifications

Brakes:

Anti-lock Braking System (ABS), Electronic Stability Program (ESP), brake calipers, rotors, pads, brake fluid, parking brake, SBC (Sensotronic Brake Control) system details

Electrical System:

Battery, alternator, starter, ignition system, lighting (headlights, taillights, interior), wiring diagrams, fuses, relays

Body And Interior:

Body panels, doors, hood, trunk lid, convertible top mechanism (Vario-Roof), interior trim, seats, climate control system (HVAC)

Comfort Systems:

Power windows, power seats, heated seats, ventilated seats, memory seats, cruise control, keyless entry, remote operation

Infotainment And Navigation:

COMAND system, navigation unit, radio, CD player, speaker system, antenna systems

Safety Systems:

Airbag system (SRS), seatbelt pre-tensioners, occupant classification system

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, spark plug replacement, brake fluid flush, coolant flush, tire rotation

Troubleshooting:

Diagnostic trouble codes (DTCs), common fault diagnosis, step-by-step troubleshooting guides for various systems

Repair Procedures:

Component removal and installation, system overhauls, specific component repair

Diagnostic Procedures:

Use of Mercedes-Benz diagnostic tools (e.g., STAR Diagnosis), sensor testing, actuator testing, module programming

Calibration And Adjustment:

SBC system calibration, ABC system bleeding and pressurization, steering angle sensor calibration

Body Repair:

Body panel replacement, convertible top adjustment and repair, bumper repair

Technical Depth

Depth Of Information:

Comprehensive, dealership-level detail

Level Of Detail:

Specific torque specifications, clearances, fluid capacities, wiring schematics, diagnostic flowcharts

📊 Manual Specifications

File Format

Digital Format:

Searchability:

Searchable text for quick information retrieval

Print Quality:

High-resolution scans of original documents, suitable for printing

Binding Type

Binding:

N/A (Digital)

Paper Type

Paper Quality:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine Sl500

Engine Code:

Engine Type:

Naturally Aspirated V8

Displacement:

5.0 Liters (4966 cc)

Bore X Stroke:

97.0 mm x 84.0 mm

Compression Ratio:

10.0:1

Horsepower:

302 hp @ 5600 rpm

Torque:

339 lb-ft @ 3250 rpm

Engine Sl55 Amg

Engine Code:

M113 ML

Engine Type:

Supercharged V8

Displacement:

5.4 Liters (5439 cc)

Horsepower:

469 hp @ 6100 rpm

Torque:

516 lb-ft @ 2650-4500 rpm

Fuel System

Fuel Type:

Premium Unleaded Gasoline (91+ Octane)

Induction:

Sequential Multi-Port Fuel Injection (MPI)

Ignition:

Distributorless Electronic Ignition (DIS)

🔧 Transmission

Standard Sl500

Type:

5-speed Automatic (5G-TRONIC)

Transmission Control:

Electronic (ETC)

Torque Converter Ratio:

2.04:1

Optional Sl55 Amg

Type:

5-speed Automatic (AMG Speedshift)

Features:

Manual shift mode (Tiptronic)

Fluid Specifications

Automatic Transmission Fluid Type:

MB Specification 236.14 (or approved equivalent)

Automatic Transmission Fluid Capacity:

8.5 Liters (approx.)

📐 Dimensions

Exterior

Length:

175.1 inches (4448 mm)

Width:

73.1 inches (1857 mm)

Height:

51.5 inches (1308 mm)

Wheelbase:

101.8 inches (2585 mm)

Front Track:

62.0 inches (1575 mm)

Rear Track:

61.1 inches (1552 mm)

Weights

Curb Weight Sl500:

4299 lbs (1950 kg)

Curb Weight Sl55 Amg:

4497 lbs (2039 kg)

Gross Vehicle Weight Rating:

5401 lbs (2450 kg)

Cargo

Cargo Volume Convertible Top Up:

11.2 cu ft (317 L)

Cargo Volume Convertible Top Down:

7.9 cu ft (224 L)

Wheels And Tires

Wheel Bolt Pattern:

5x112

Standard Tire Size Sl500:

255/40 R 18

Optional Tire Size Sl55 Amg:

255/35 R 19 (front), 285/30 R 19 (rear)

🛡️ Safety Features

Ratings

NHTSA Front Crash Test Rating:

4 stars (driver), 4 stars (passenger)

IIHS Side Impact Rating:

Active Features

Standard (Anti-lock Braking System)

Standard (Electronic Stability Program)

Traction Control:

Standard

Standard on SL55 AMG, Optional/Available on SL500 (Sensotronic Brake Control)

Passive Features

Airbags:

Front dual-stage airbags, front side-impact airbags, knee airbags

Rollover Protection:

Integrated roll-over bar system (deployable)

Seatbelts:

Pre-tensioning front seatbelts with force limiters

💡 Technology Features

Infotainment

Comand System Version:

COMAND 2.5 or COMAND APS

Navigation Type:

DVD-based navigation system

Audio System:

Bose premium sound system (optional)

Driver Assistance

Adaptive Cruise Control:

Optional DISTRONIC

Parking Assistance:

Front and rear parking sensors (optional PARKTRONIC)

Connectivity

Bluetooth:

Optional (via UHI interface module)

Other Technology

Bi-Xenon Headlights:

Standard

Automatic Climate Control:

Dual-zone automatic climate control

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 10,000 miles or 12 months, whichever comes first (check manual for specifics)

Major Service Interval:

Variable, often around 30,000 - 60,000 miles or 3-5 years, includes coolant, transmission fluid, spark plugs, brake fluid

Fluid Specifications

Engine Oil Type:

SAE 0W-40 (MB Specification 229.5)

Engine Oil Capacity:

8.0 Liters (approx.) for M113, 8.5 Liters (approx.) for M113 ML

Coolant Type:

Mercedes-Benz approved Antifreeze/Coolant (G48 - Blue/Green)

Power Steering Fluid Type:

MB Specification 343.0 Hydraulic Fluid

Brake Fluid Type:

DOT 4 PLUS (MB Specification 331.0)

Abc System Fluid Type:

MB Specification 345.0 Hydraulic Fluid (or CHF 11S equivalent)

Known Issues

Abc System Leaks:

Common issue: hydraulic line leaks, pump failures, strut seal leaks due to age and heat

Sbc System Failures:

Potential for SBC hydraulic unit failure (requires replacement or specific repair procedure)

Vario Roof Mechanism:

Hydraulic leaks, sensor issues, or binding in the complex convertible top mechanism

Coil Packs:

Misfires due to failing ignition coil packs (especially on earlier M113 engines)

Mass Airflow Sensor:

Can become dirty or fail, leading to rough idle or poor performance

Active Body Control Pump Pulley:

Bearing failure in the ABC pump can lead to noise and eventual pump failure

📚 Vehicle History

Brand Heritage

Brand Origin:

Germany

Brand Reputation:

Luxury, performance, engineering excellence

Model Evolution

Sl Class Lineage:

Long-standing legacy of iconic roadsters dating back to the 300 SL 'Gullwing'

R230 Introduction Year:

Key Changes For 2004 Model Year:

Refinements in COMAND system, possible minor equipment adjustments

Production

Assembly Location:

Bremen, Germany

Production Run R230 Gen:

2002-2011

🏆 Awards & Recognition

Recognitions

Ward S 10 Best Engines Award:

M113 engine was recognized by Ward's AutoWorld multiple times for its performance and refinement

Ratings

Consumer Reports Reliability Rating:

Varies by model year and specific components, but generally average to above average for its class and complexity.

Certifications

Euro Ncapsafety Rating:

Not directly applicable for 2004 US market models, but consistent with Mercedes-Benz's commitment to safety.