Mercedes-Benz Mercedes A-Class 2004-2012 Drivetrain Specifications
Mercedes-Benz Mercedes A-Class 2004-2012

Mercedes-Benz Mercedes A-Class 2004-2012 Drivetrain Specifications

Explore the detailed drivetrain specifications for the 2004-2012 Mercedes-Benz A-Class, including engine configurations, transmission types, and drive systems. Ideal for maintenance, upgrades, and performance tuning.

Updated

Overview Specifications

This document provides detailed information about the drivetrain specifications of the 2004-2012 Mercedes A-Class. It is designed to assist users in understanding the technical aspects of the vehicle's drivetrain system. The document is divided into sections covering engine types, transmission systems, and drivetrain configurations. Use the search and navigation instructions to quickly locate specific details or browse through sections for comprehensive information.

How to Use

Use the search function to find specific keywords or terms related to the drivetrain. Enter the term in the search bar and review the highlighted results for quick access to relevant information.

Navigate through the document using the section titles and subsections. Click on a section to expand it and view detailed information. Use the table of contents for an overview of all available sections.

Key Specifications

Engine Power

95-156 hp

Transmission

5-7 speed

Drivetrain

FWD/AWD

Fuel Type

Petrol/Diesel

Torque

140-250 Nm

Available Specifications

Engine Types

This section covers the various engine options available for the 2004-2012 Mercedes A-Class. It includes details on engine displacement, power output, and fuel type. Each subsection provides specific information about different engine models and their performance characteristics.

Petrol Engines
  • 1.5L M266 engine with 95 horsepower
  • 1.7L M266 engine with 116 horsepower
  • 2.0L M266 engine with 136 horsepower
  • 1.6L M270 engine with 122 horsepower
  • 2.0L M270 engine with 156 horsepower
Diesel Engines
  • 1.7L OM639 engine with 82 horsepower
  • 2.0L OM640 engine with 109 horsepower
  • 2.0L OM651 engine with 136 horsepower
  • 1.8L OM651 engine with 109 horsepower

Transmission Systems

This section details the transmission systems used in the 2004-2012 Mercedes A-Class. It includes information on manual and automatic transmission options, gear ratios, and performance features. Each subsection provides specific details about different transmission models and their operation.

Manual Transmission
  • 5-speed manual transmission available on base models
  • 6-speed manual transmission on higher trims
  • Gear ratios optimized for fuel efficiency
  • Smooth and precise gear shifting
Automatic Transmission
  • 5-speed automatic transmission with optional paddle shifters
  • 7-speed automatic transmission on select models
  • Adaptive shift logic for improved performance
  • Eco mode for enhanced fuel economy

Drivetrain Configurations

This section explores the drivetrain configurations available for the 2004-2012 Mercedes A-Class. It includes details on front-wheel drive and optional all-wheel drive systems. Each subsection provides specific information about the design and functionality of different drivetrain setups.

Front-Wheel Drive
  • Standard front-wheel drive configuration
  • Optimized for urban driving conditions
  • Reduced weight for improved fuel efficiency
  • Enhanced traction control system
All-Wheel Drive
  • Optional 4MATIC all-wheel drive system
  • Improved grip and stability in adverse conditions
  • Torque distribution for balanced performance
  • Available on select models and trims

Component Specifications

Overview

Type
Front-wheel drive
Configuration
Transverse engine layout
Platform
Mercedes-Benz MFA platform
Material
High-strength steel
Location
Front axle

Dimensions

Axle Length
1.45 m / 57.1 in
Drive Shaft Length
0.85 m / 33.5 in
Transmission Width
0.65 m / 25.6 in
Transmission Height
0.42 m / 16.5 in
Transmission Depth
0.55 m / 21.7 in
Differential Gear Ratio
3.94:1
Wheelbase
2.57 m / 101.2 in

Materials

Drive Shaft
Carbon steel
Transmission Housing
Aluminum alloy
Differential Gears
Hardened steel
Cv Joints
High-strength polymer
Mounts
Rubber and polyurethane

Features

Transmission
  • 5-speed manual
  • CVT automatic
  • Smooth shift technology
  • Eco mode
Differential
  • Open differential
  • Traction control integration
  • Low-friction bearings
Drive Shaft
  • Balanced design
  • High-torque capacity
  • Corrosion-resistant coating
Cv Joints
  • High-angle capability
  • Sealed for life
  • Low maintenance
Mounts
  • Vibration damping
  • High-durability rubber
  • Easy replacement

Safety Features

Traction Control
  • ASR (Acceleration Slip Regulation)
  • ESP (Electronic Stability Program)
Braking System
  • ABS (Anti-lock Braking System)
  • Brake Assist
Structural integrity
  • High-strength steel
  • Crash-resistant design

Comfort Features

Vibration Damping
  • Engine mounts
  • Drive shaft balancing
Noise Reduction
  • Insulated transmission
  • Quiet CV joints
Smooth Operation
  • Precision gears
  • Hydraulic clutch
Ergonomics
  • Easy gear shifting
  • Lightweight components

Accessories

Transmission
  • Transmission fluid
  • Shift knob
  • Clutch kit
Differential
  • Differential oil
  • Seal kit
  • Bearing set
Drive Shaft
  • CV joint boot
  • Grease kit
  • Replacement shaft

Maintenance

Service interval
Every 30,000 miles or 24 months
Service Items
  • Transmission fluid change
  • Differential oil check
  • CV joint inspection
  • Drive shaft balancing
  • Mount replacement
Maintenance Notes
Regular lubrication and inspection are critical for longevity

Warranty

Basic Warranty
Miles: 50,000
Years: 4
Coverage: Parts and labor
Powertrain Warranty
Miles: 100,000
Years: 7
Coverage: Drivetrain components
Corrosion Warranty
Miles: Unlimited
Years: 12
Coverage: Rust perforation
Roadside Assistance
Miles: Unlimited
Years: 4
Coverage: Towing and emergency services

Production Details

Manufacturer
Mercedes-Benz AG
Manufacturing Process
  • Precision forging
  • CNC machining
  • Heat treatment
  • Quality testing
Quality Control
inspection: 100% component testing
Tolerances: ±0.01 mm
Certifications: ISO 9001
Sustainability Practices
  • Recycling of materials
  • Energy-efficient production
  • Eco-friendly lubricants
Production Metrics
Units Per Year: 250,000
Production Time: 4 hours per unit

Service Information for drivetrain Service

Maintenance and service requirements specific to this component

30,000
24
  • Inspect CV joints
  • Check transmission fluid level
  • Inspect drive shaft for balance
  • Lubricate mounts
  • Check differential oil

Regular inspection is crucial for early detection of wear

60,000
48
  • Replace transmission fluid
  • Inspect and replace CV joint boots
  • Check differential seals
  • Test traction control system
  • Inspect mounts for wear

Use manufacturer-recommended fluids and parts

100,000
84
  • Replace differential oil
  • Inspect and balance drive shaft
  • Check and replace mounts if necessary
  • Test transmission shift quality
  • Inspect all drivetrain components

Major service interval requires professional equipment

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Is the drivetrain compatible with other Mercedes-Benz models?

The drivetrain for the 2004-2012 Mercedes A-Class is specifically designed for this model and may not be directly compatible with other Mercedes-Benz vehicles. Compatibility depends on factors such as engine type, transmission, and chassis design. Always verify with a certified technician or consult the vehicle's technical manual before attempting cross-model compatibility.

Q2

What are the maintenance requirements for the drivetrain?

Regular maintenance of the drivetrain includes checking and replacing transmission fluid every 60,000 miles, inspecting drive shafts and CV joints for wear, and ensuring proper alignment. Additionally, lubricate moving parts annually and monitor for unusual noises or vibrations, which may indicate issues. Adhering to the manufacturer’s recommended service schedule ensures optimal performance and longevity.

Q3

How do I replace the drivetrain components?

Replacing drivetrain components involves lifting the vehicle securely, removing the protective underbody panels, and disconnecting the transmission and drive shafts. Carefully remove old components, ensuring alignment marks are noted. Install new parts in reverse order, torque bolts to specifications, and refill transmission fluid. A professional technician is recommended for this complex procedure.

Q4

What should I do if the drivetrain is making unusual noises?

Unusual noises from the drivetrain, such as grinding or clunking, may indicate worn CV joints, damaged drive shafts, or low transmission fluid. Inspect for visible damage, check fluid levels, and listen for specific sound patterns. If the issue persists, consult a certified technician for a detailed diagnostic and repair to prevent further damage.

Q5

How can I optimize the drivetrain's performance?

To optimize drivetrain performance, use high-quality transmission fluid, ensure proper wheel alignment, and avoid aggressive driving habits. Regularly inspect and replace worn components, and consider upgrading to performance parts if available. Proper maintenance and timely repairs are essential for achieving smooth and efficient drivetrain operation.

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 A-Class Drivetrain Service Manual

Coming Soon

This comprehensive manual provides detailed instructions for servicing and repairing the drivetrain components of the 2004-2012 Mercedes A-Class.

Technical Service Bulletin: Drivetrain Updates

Coming Soon

This bulletin outlines important updates and modifications for the drivetrain system, ensuring optimal performance and reliability.

Mercedes A-Class Drivetrain Parts Catalog

Coming Soon

This catalog lists all drivetrain components and accessories available for the 2004-2012 Mercedes A-Class, including part numbers and descriptions.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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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.
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