Mercedes-Benz Mercedes CLS 2004-2010 Drivetrain Specifications
Explore the detailed drivetrain specifications for the 2004-2010 Mercedes-Benz CLS, including engine configurations, transmission types, and performance metrics. Ideal for technicians, enthusiasts, and owners.
Overview Specifications
This document provides detailed specifications and technical information about the drivetrain of the 2004-2010 Mercedes-Benz CLS. It is designed to assist enthusiasts, technicians, and owners in understanding the vehicle's drivetrain components, performance, and maintenance. Use the search functionality to locate specific details or navigate through sections for a comprehensive overview of the drivetrain system.
How to Use
Use the search bar to find specific drivetrain components or terms. Enter keywords like 'transmission', 'engine', or 'differential' to quickly locate relevant information.
Browse through the sections listed below to explore different aspects of the drivetrain. Each section contains subsections with detailed technical points for easy reference.
Key Specifications
Engine Power
268-507 hp
Torque
258-465 lb-ft
Transmission
7-speed automatic
Drivetrain
RWD / AWD
Axle Ratio
2.82:1
Available Specifications
Engine Specifications
This section covers the engine options available for the 2004-2010 Mercedes-Benz CLS, including displacement, power output, and fuel delivery systems. It also highlights key features like turbocharging and direct injection.
Engine Specifications
This section covers the engine options available for the 2004-2010 Mercedes-Benz CLS, including displacement, power output, and fuel delivery systems. It also highlights key features like turbocharging and direct injection.
Engine Options
- 3.5L V6 engine producing 268 hp and 258 lb-ft of torque
- 5.0L V8 engine producing 302 hp and 339 lb-ft of torque
- 5.5L V8 engine producing 382 hp and 391 lb-ft of torque
- 6.2L V8 engine producing 507 hp and 465 lb-ft of torque
- Turbocharged 3.0L V6 diesel engine producing 224 hp and 398 lb-ft of torque
Fuel Delivery
- Direct fuel injection for improved efficiency
- Multi-point injection system for V6 models
- Turbocharging for diesel and high-performance V8 engines
- Variable valve timing for optimized performance
Transmission Systems
This section details the transmission systems used in the 2004-2010 Mercedes-Benz CLS, including gear ratios, shift mechanisms, and performance features.
Transmission Systems
This section details the transmission systems used in the 2004-2010 Mercedes-Benz CLS, including gear ratios, shift mechanisms, and performance features.
Transmission Types
- 7-speed automatic transmission (7G-TRONIC)
- Rear-wheel drive configuration
- Optional 4MATIC all-wheel drive system
- Adaptive shift logic for smooth gear changes
Gear Ratios
- 1st gear: 4.38:1
- 2nd gear: 2.86:1
- 3rd gear: 1.92:1
- 4th gear: 1.37:1
- 5th gear: 1.00:1
- 6th gear: 0.82:1
- 7th gear: 0.73:1
Drivetrain Components
This section provides an in-depth look at the drivetrain components, including the differential, driveshaft, and axle configurations. It also covers maintenance and performance upgrades.
Drivetrain Components
This section provides an in-depth look at the drivetrain components, including the differential, driveshaft, and axle configurations. It also covers maintenance and performance upgrades.
Differential
- Open differential for standard models
- Limited-slip differential for AMG models
- 4MATIC models feature a center differential
- Differential lock for improved traction
Driveshaft and Axles
- Carbon fiber driveshaft for reduced weight
- High-strength steel axles
- Independent rear suspension for improved handling
- Axle ratio of 2.82:1 for most models
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Component Specifications
Overview
- Type
- Rear-wheel drive (RWD) / All-wheel drive (4MATIC)
- Configuration
- Longitudinal engine placement
- Platform
- Mercedes-Benz W219 platform
- Material
- High-strength steel and aluminum
- Location
- Underbody, center-rear for differential
Dimensions
- Driveshaft Length
- 72.8 inches (185 cm)
- Differential Width
- 24.4 inches (62 cm)
- Transmission Length
- 32.7 inches (83 cm)
- Axle Track Width
- 62.2 inches (158 cm)
- Ground Clearance
- 5.1 inches (13 cm)
- Propeller Shaft Diameter
- 3.5 inches (8.9 cm)
- Differential Gear Ratio
- 2.82:1 (standard)
Materials
- Driveshaft
- High-strength steel with carbon fiber reinforcement
- Differential Housing
- Aluminum alloy
- Transmission Case
- Magnesium alloy
- Axles
- Forged steel with heat treatment
- Mounts
- Rubber and polyurethane composite
Features
- Transmission
-
- 7-speed automatic (7G-TRONIC)
- Adaptive shift logic
- Manual shift mode
- Torque converter lockup
- Differential
-
- Limited-slip differential (optional)
- Electronic traction control
- Sealed lubrication system
- Active torque distribution (4MATIC models)
- Driveshaft
-
- Balanced for high-speed operation
- Carbon fiber reinforcement
- Universal joints with grease fittings
- Suspension integration
-
- Multi-link rear suspension
- Dynamic damping system
- Air suspension compatibility
- Cooling
-
- Transmission oil cooler
- Differential cooling fins
- Integrated temperature sensors
Safety Features
- Stability Control
-
- Electronic Stability Program (ESP)
- Traction control system (TCS)
- Brake-based torque vectoring
- Structural integrity
-
- Crash-resistant driveshaft tunnel
- Reinforced differential mounts
- High-strength axle components
- Monitoring Systems
-
- Transmission temperature sensor
- Differential oil level sensor
- Driveshaft vibration sensor
Comfort Features
- Noise Reduction
-
- Acoustic driveshaft insulation
- Differential noise dampening
- Vibration-reducing mounts
- Smoothness
-
- Adaptive shift programming
- Torque converter smoothing
- Balanced rotating components
- Handling
-
- Precise torque distribution
- Dynamic rear-wheel steering (optional)
- Adaptive suspension integration
Accessories
- Performance Upgrades
-
- Limited-slip differential
- High-performance transmission fluid
- Reinforced driveshaft
- Maintenance Tools
-
- Differential oil pump
- Transmission fluid exchange kit
- Driveshaft balancing tool
- Diagnostic Equipment
-
- Transmission control module scanner
- Differential temperature monitor
- Driveshaft vibration analyzer
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Transmission fluid and filter replacement
- Differential oil change
- Driveshaft inspection and balancing
- Mount and bushing inspection
- Lubrication of universal joints
- Maintenance Notes
- Use only Mercedes-Benz approved fluids and lubricants.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Parts and labor for drivetrain components
- Powertrain Warranty
- Miles: 100,000Years: 7Coverage: Transmission, differential, and driveshaft
- Corrosion Warranty
- Miles: UnlimitedYears: 10Coverage: Rust perforation on drivetrain components
- Extended Warranty
- Miles: 120,000Years: 10Coverage: Optional extended coverage for drivetrain
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment of components
- Dynamic balancing of rotating parts
- Robotic assembly
- Quality Control
- Testing: High-speed vibration testing, Thermal stress testing, Durability testinginspection: X-ray inspection of welds, Ultrasonic testing for cracks, Dimensional accuracy checks
- Sustainability Practices
-
- Recycled aluminum in differential housing
- Low-emission manufacturing processes
- Eco-friendly lubricants
- Production Metrics
- Units Produced: Approximately 250,000Defect Rate: Less than 0.1%Production Time: 12 hours per drivetrain
Service Information for drivetrain Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check differential oil condition
- Lubricate universal joints
- Inspect driveshaft for damage
- Check mounts and bushings
Use only Mercedes-Benz approved fluids.
- Replace transmission fluid and filter
- Change differential oil
- Inspect and balance driveshaft
- Check for leaks in drivetrain components
- Test electronic control systems
Requires specialized diagnostic equipment.
- Complete transmission service
- Overhaul differential assembly
- Replace driveshaft if necessary
- Inspect and replace all mounts
- Perform full system diagnostics
Major service requires dealership-level tools and expertise.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What drivetrain components are compatible with the 2004-2010 Mercedes CLS?
What drivetrain components are compatible with the 2004-2010 Mercedes CLS?
The 2004-2010 Mercedes CLS is compatible with a range of drivetrain components, including the 7G-TRONIC automatic transmission, rear-wheel drive systems, and differentials designed for the W219 chassis. Ensure compatibility by verifying part numbers with Mercedes-Benz or authorized dealers. Upgrades like limited-slip differentials or performance driveshafts may require additional modifications.
Q2 What are the maintenance requirements for the CLS drivetrain?
What are the maintenance requirements for the CLS drivetrain?
The CLS drivetrain requires regular maintenance, including transmission fluid changes every 40,000-60,000 miles, differential fluid replacement every 50,000 miles, and inspection of driveshaft and axle components for wear. Adhere to the manufacturer's service schedule to prevent premature wear and ensure optimal performance.
Q3 How do I replace the driveshaft on a 2004-2010 Mercedes CLS?
How do I replace the driveshaft on a 2004-2010 Mercedes CLS?
To replace the driveshaft, lift the vehicle securely and remove the underbody panels. Disconnect the driveshaft from the transmission and differential using appropriate tools. Install the new driveshaft, ensuring proper alignment and torque specifications. Reassemble the underbody panels and test-drive the vehicle to confirm smooth operation.
Q4 What should I do if my CLS drivetrain makes unusual noises?
What should I do if my CLS drivetrain makes unusual noises?
Unusual noises may indicate worn driveshaft joints, failing differential bearings, or transmission issues. Inspect the drivetrain components for damage or excessive play. Check fluid levels and quality. If the issue persists, consult a professional technician for a detailed diagnosis and repair.
Q5 How can I optimize the performance of my CLS drivetrain?
How can I optimize the performance of my CLS drivetrain?
To optimize performance, use high-quality synthetic fluids for the transmission and differential. Consider upgrading to a performance driveshaft or limited-slip differential for improved handling. Regularly inspect and maintain drivetrain components to ensure they operate within factory specifications.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mercedes-Benz CLS W219 Service Manual
Coming SoonComprehensive guide covering drivetrain maintenance, repair procedures, and technical specifications for the 2004-2010 CLS models.
Technical Service Bulletin: Drivetrain Noise Reduction
Coming SoonMercedes-Benz bulletin addressing common drivetrain noise issues and recommended solutions for the CLS W219.
Mercedes-Benz CLS Drivetrain Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket drivetrain components for the 2004-2010 CLS models.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
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