🏷️ Basic Information

Make:

Mercedes-Benz

Model:

CL600

Year:

2003

Chassis Code:

C215

Engine Code:

M137

Transmission Code:

722.6 (5G-TRONIC)

👋 Introduction

Market Position:

The 2003 CL600 (C215) represents the pinnacle of Mercedes-Benz's coupe offerings at the time, a luxury grand tourer focused on sophisticated design, advanced technology, and powerful performance. This manual software is targeted towards Mercedes-Benz dealerships, independent repair shops specializing in German luxury vehicles, and dedicated enthusiasts seeking to maintain or repair their CL600.

Competitive Analysis:

Competed against other high-end luxury coupes such as the BMW 8 Series (previous generation), Bentley Continental GT, and Jaguar XJR coupes of its era. Its emphasis was on V12 power, advanced comfort, and cutting-edge technology for its time.

Key Features:

Officially licensed, comprehensive digital repair information for the 2003 CL600, providing detailed procedures, specifications, and diagnostic guidance crucial for maintaining this complex luxury vehicle.

📋 Manual Details

Coverage Areas:

All mechanical and electrical systems, including engine, transmission, suspension, brakes, HVAC, body, interior, and diagnostics.

Page Count:

Digital (likely extensive, covering all aspects; specific number not provided in description)

Manual Type:

Official Service & Repair Manual Software

Language:

English (assumed based on common market availability for this product)

Format:

Software (Digital)

📖 Manual Coverage

Systems Covered:

Engine Mechanical (M137 V12), Engine Management (ME 2.8, ME 2.8 SFI), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Torque Converter Lock-up Clutch, Transmission Control, Drive Axles, Suspension (ABC - Active Body Control), Steering System, Brake System (ABS, BAS, ESP), Electrical System (Body, Chassis, Powertrain), Climate Control (Klimatronik), SRS (Supplemental Restraint System), Infotainment, Body Panels, Interior Trim, Diagnostics (OBD-II, Star Diagnosis)

Procedures Included:

Scheduled Maintenance, Routine Inspections, Diagnostic Troubleshooting, Component Removal and Installation, Repair Procedures, Adjustment Specifications, Wiring Diagrams, Component Testing, Fluid Capacities and Specifications, Torque Values, Special Tool Requirements, Overhaul Instructions.

Technical Depth:

Comprehensive, covering everything from basic fluid changes and filter replacements to in-depth engine and transmission overhauls, electrical system diagnostics, and specialized system repairs (e.g., ABC suspension).

📊 Manual Specifications

File Format:

Proprietary Software/Digital (likely searchable and interactive)

Print Quality:

N/A (Digital Format)

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

V12 SOHC (Single Overhead Camshaft per bank)

Engine Code:

M137

Displacement:

5.768 L (5768 cc / 352 cu in)

Bore X Stroke:

87.0 mm x 80.2 mm

Compression Ratio:

9.0:1

Power Output:

369 hp @ 5500 rpm

Torque Output:

391 lb-ft (530 Nm) @ 3100 rpm

0 60 Mph:

Approx. 5.3 seconds

Fuel Delivery:

Sequential Multi-Point Fuel Injection (SFI) with two spark plugs per cylinder (DIS - Distributorless Ignition System).

Fuel Type:

Premium Unleaded Gasoline (91+ Octane)

🔧 Transmission

Transmission Type:

5-speed Automatic with Touchshift

Transmission Code:

722.6 (Mercedes-Benz 5G-TRONIC)

Features:

Electronic control, adaptive shifting programs, torque converter lock-up clutch for improved efficiency, manual shifting mode (Touchshift).

Transmission Fluid Type:

MB 236.10 or MB 236.12 Automatic Transmission Fluid (ATF)

📐 Dimensions

Length:

199.2 inches (5060 mm)

Width:

72.5 inches (1841 mm)

Height:

54.5 inches (1384 mm)

Wheelbase:

113.9 inches (2895 mm)

Curb Weight:

Approximately 4580 lbs (2077 kg)

Gross Vehicle Weight Rating:

Approximately 5666 lbs (2570 kg)

🛡️ Safety Features

NHTSA Front Crash Rating:

4-star (Driver), 5-star (Passenger) - based on available data for similar vehicles of the era.

IIHS Front Crash Rating:

Good (assumed based on Mercedes-Benz engineering and chassis design for the period).

Active Safety Features:

Anti-lock Braking System (ABS), Brake Assist System (BAS), Electronic Stability Program (ESP), Traction Control System (ASR).

Passive Safety Features:

Driver and front passenger airbags, side airbags, curtain airbags, active head restraints, front and rear crumple zones, reinforced passenger cell.

Seat Belt Pre Tensioners:

Standard for front occupants.

💡 Technology Features

Infotainment System:

COMAND (Cockpit Management and Navigation System) with integrated radio, CD player, navigation, and climate controls. Features include a color display and multi-function steering wheel controls.

Audio System:

Bose premium sound system (optional or standard).

Driver Assistance Features:

Distronic (adaptive cruise control) was an option. Parktronic (parking assist).

Connectivity:

Keyless Go (proximity entry and start system), tele-aid (emergency communication system) were available features. Limited Bluetooth integration for phone calls.

🔧 Maintenance

Oil Change Interval:

Variable (based on 'Service A' or 'Service B' indicators, typically every 10,000-13,000 miles or 12 months, whichever comes first).

Major Service Interval:

Detailed in the manual, often around 30,000, 60,000, and 100,000 miles, covering spark plugs, fluids, filters, and system checks.

Engine Oil Type:

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

Engine Oil Capacity:

Approx. 9.5 liters (10 US quarts)

Coolant Type:

MB 325.0 (Glysantin G05 or equivalent)

Brake Fluid Type:

DOT 4 PLUS (or MB 331.0)

Known Issues:

Active Body Control (ABC) suspension leaks and pump failures, ignition coil failure (M137 engine characteristic), transmission conductor plate issues (722.6), catalytic converter failure, mass airflow sensor failures, electronic module failures (e.g., EIS - Electronic Ignition Switch).

Maintenance Recommendations:

Regular inspection of ABC hydraulic system for leaks, proactive replacement of ignition coils if symptoms appear, ensuring proper cooling system maintenance to prevent overheating. The manual will provide specific diagnostic steps for these common problems.

📚 Vehicle History

Brand Heritage:

Mercedes-Benz, established in 1926, is renowned for its engineering excellence, luxury, safety, and innovation in the automotive industry, particularly in the development of advanced powertrains and comfort technologies.

Model Evolution:

The CL-Class evolved from the S-Class Coupe lineage, offering a more stylish, sport-oriented, and exclusive interpretation of Mercedes-Benz's flagship luxury sedan. The C215 generation (1999-2006) was a significant leap forward in design and technology.

Production Years:

2003 model year

Manufacturing Location:

Sindelfingen, Germany

🏆 Awards & Recognition

Recognitions:

While specific awards for the 2003 CL600 are not widely documented, its platform and technology (like ABC and V12 engine) were critically acclaimed for their engineering sophistication and contribution to automotive luxury and performance.