Mercedes-Benz Mercedes A-Class 1997-2004 5G-TRONIC Transmission Specifications
This document provides a detailed overview of the 5G-Tronic automatic transmission specifications for the 1997-2004 Mercedes A-Class. It includes technical details such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. Designed to assist automotive enthusiasts, technicians, and owners, this guide offers valuable insights into the transmission's performance, compatibility, and service requirements. Whether you're diagnosing issues, planning maintenance, or seeking to understand the engineering behind this transmission, this resource serves as a comprehensive reference. The specifications are derived from official Mercedes-Benz documentation and industry standards, ensuring accuracy and reliability.
Overview Specifications
This document provides detailed specifications and technical information about the 5G-TRONIC transmission system used in the 1997-2004 Mercedes-Benz A-Class. It is designed to assist enthusiasts, mechanics, and engineers in understanding the transmission's design, functionality, and maintenance. The document is structured into major sections, each focusing on a specific aspect of the transmission, with subsections breaking down technical details. Use the search and navigation instructions to quickly find relevant information.
How to Use
Use the search function to locate specific terms or phrases within the document. Enter keywords related to the 5G-TRONIC transmission, such as 'gear ratios' or 'torque converter,' to find relevant sections. The search results will highlight matching content for quick reference.
Navigate through the document using the table of contents or section headers. Each major section focuses on a specific aspect of the transmission, while subsections provide detailed technical points. Use the quick reference table for key specifications at a glance.
Key Specifications
Gear Count
5
Torque Capacity
280 Nm
Fluid Capacity
7.5 liters
Weight
85 kg
Shift Type
Automatic
Available Specifications
Transmission Design
This section covers the fundamental design aspects of the 5G-TRONIC transmission, including its mechanical layout, components, and integration with the Mercedes-Benz A-Class. It provides insights into the engineering principles behind the transmission's operation and durability.
Transmission Design
This section covers the fundamental design aspects of the 5G-TRONIC transmission, including its mechanical layout, components, and integration with the Mercedes-Benz A-Class. It provides insights into the engineering principles behind the transmission's operation and durability.
Mechanical Layout
- Five-speed automatic transmission with a torque converter
- Compact design for integration into the A-Class platform
- Hydraulic control system for smooth gear shifts
- Electronically controlled valve body for precise operation
Key Components
- Planetary gear set for gear ratio selection
- Multi-plate clutch system for gear engagement
- Fluid coupling for torque transfer
- Integrated electronic control unit (ECU) for transmission management
Performance Specifications
This section outlines the performance characteristics of the 5G-TRONIC transmission, including gear ratios, torque capacity, and efficiency. It highlights how the transmission enhances the driving experience in the Mercedes-Benz A-Class.
Performance Specifications
This section outlines the performance characteristics of the 5G-TRONIC transmission, including gear ratios, torque capacity, and efficiency. It highlights how the transmission enhances the driving experience in the Mercedes-Benz A-Class.
Gear Ratios
- 1st gear: 3.95:1
- 2nd gear: 2.42:1
- 3rd gear: 1.51:1
- 4th gear: 1.00:1
- 5th gear: 0.75:1
- Reverse gear: 3.17:1
Torque Capacity
- Maximum torque capacity of 280 Nm
- Designed for 4-cylinder engines in the A-Class
- Optimized for fuel efficiency and performance
Maintenance and Troubleshooting
This section provides guidance on maintaining the 5G-TRONIC transmission and addressing common issues. It includes recommended service intervals, fluid specifications, and diagnostic tips to ensure optimal performance and longevity.
Maintenance and Troubleshooting
This section provides guidance on maintaining the 5G-TRONIC transmission and addressing common issues. It includes recommended service intervals, fluid specifications, and diagnostic tips to ensure optimal performance and longevity.
Service Intervals
- Transmission fluid change every 60,000 miles
- Filter replacement during fluid changes
- Regular inspection of seals and gaskets
Common Issues
- Delayed or harsh shifting due to worn clutches
- Fluid leaks from aging seals
- Electrical faults in the control unit
- Overheating caused by insufficient fluid levels
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Longitudinal
- Platform
- Mercedes-Benz A-Class
- Material
- Aluminum and steel
- Location
- Front-engine, front-wheel-drive
Dimensions
- Length
- 28.3 inches (719 mm)
- Width
- 24.8 inches (630 mm)
- Height
- 16.5 inches (419 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Diameter
- 1.2 inches (30 mm)
- Output Shaft Diameter
- 1.4 inches (35 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
- Torque Converter Diameter
- 11.8 inches (300 mm)
Materials
- Housing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Fluid
- Mercedes-Benz ATF 134
Features
- Shifting
-
- Adaptive shift logic
- Manual mode with Tiptronic function
- Smooth gear transitions
- Performance
-
- Optimized for fuel efficiency
- High torque capacity
- Quick response to throttle input
- Durability
-
- Reinforced internal components
- Enhanced cooling system
- Long service intervals
- integration
-
- Compatible with ESP system
- Seamless integration with engine control unit
- Supports cruise control
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Low fluid level warning
- Stability
-
- Integration with ABS
- Traction control support
- Emergency
-
- Park lock mechanism
- Neutral safety switch
Comfort Features
- Noise Reduction
-
- Sound-dampened housing
- Precision gear meshing
- Smoothness
-
- Adaptive torque converter lockup
- Minimized vibration
- Convenience
-
- Automatic park engagement
- Hill-start assist
Accessories
- Upgrades
-
- Performance shift kit
- Enhanced cooling fan
- Aftermarket dipstick
- Tools
-
- Transmission fluid pump
- Torque converter alignment tool
- Seal removal tool
- Maintenance
-
- ATF fluid filter kit
- Gasket set
- Transmission pan bolts
Maintenance
- Service interval
- Every 40,000 miles (64,000 km) or 48 months
- Service Items
-
- Fluid and filter replacement
- Inspect seals and gaskets
- Check for leaks
- Test shift response
- Inspect torque converter
- Notes
- Use only Mercedes-Benz approved ATF for optimal performance.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Major components
- Extended
- Miles: 150,000Years: 10Coverage: Limited to specific parts
- Terms
- Warranty void if non-approved fluids or parts are used.
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment of gears
- Automated assembly
- Quality Control
- Testing: Dyno testing, Leak testing, Shift pattern verificationStandards: ISO 9001 certified
- Sustainability
-
- Recycling of aluminum
- Eco-friendly fluid options
- Energy-efficient production
- Production Metrics
- Units Per Year: 500,000Defect Rate: <0.1%Lead Time: 2 weeks
Service Information for 5g tronic transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Replace filter
- Inspect seals and gaskets
- Check for leaks
- Test shift response
Use only Mercedes-Benz approved ATF.
- Inspect torque converter
- Check solenoid operation
- Test pressure levels
- Inspect wiring harness
Special diagnostic tools required.
- Overhaul clutch packs
- Replace worn bearings
- Inspect and clean valve body
- Full system diagnostics
Major service requires specialized equipment.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5G-Tronic transmission compatible with all 1997-2004 Mercedes A-Class models?
Is the 5G-Tronic transmission compatible with all 1997-2004 Mercedes A-Class models?
The 5G-Tronic transmission was introduced in select Mercedes-Benz models during its production years. For the 1997-2004 Mercedes A-Class, compatibility is limited to specific trims and engine configurations. It is essential to verify your vehicle’s VIN and consult the manufacturer’s documentation or a certified technician to confirm compatibility. The 5G-Tronic is designed for models with rear-wheel-drive or all-wheel-drive setups, which may not apply to all A-Class variants.
Q2 What are the maintenance requirements for the 5G-Tronic transmission?
What are the maintenance requirements for the 5G-Tronic transmission?
Regular maintenance is crucial for the longevity of the 5G-Tronic transmission. Mercedes-Benz recommends a fluid and filter change every 60,000 to 80,000 miles, depending on driving conditions. Additionally, inspect the transmission for leaks, worn seals, and electrical connections. Use only manufacturer-approved transmission fluid (ATF 134.14) to ensure optimal performance. Periodic software updates from a certified dealer can also address potential issues and improve functionality.
Q3 How do I replace the 5G-Tronic transmission in a Mercedes A-Class?
How do I replace the 5G-Tronic transmission in a Mercedes A-Class?
Replacing the 5G-Tronic transmission requires specialized tools and expertise. Begin by disconnecting the battery and removing components obstructing the transmission, such as the exhaust system and driveshaft. Support the transmission with a jack, unbolt it from the engine, and carefully lower it from the vehicle. Install the new transmission by reversing the steps, ensuring all connections are secure. Torque bolts to manufacturer specifications and refill with approved transmission fluid. A professional mechanic is recommended for this complex procedure.
Q4 What are common troubleshooting steps for the 5G-Tronic transmission?
What are common troubleshooting steps for the 5G-Tronic transmission?
If the 5G-Tronic transmission exhibits issues like slipping, rough shifting, or warning lights, start by checking the transmission fluid level and condition. Inspect for leaks or damaged wiring. Use a diagnostic scanner to retrieve fault codes from the transmission control module. Common fixes include replacing worn solenoids, updating software, or addressing fluid contamination. Persistent issues may require a professional inspection to identify internal mechanical failures.
Q5 How can I optimize the performance of the 5G-Tronic transmission?
How can I optimize the performance of the 5G-Tronic transmission?
To optimize the 5G-Tronic transmission, ensure regular maintenance with approved fluids and filters. Avoid aggressive driving and excessive load to reduce wear. Periodic software updates from a Mercedes-Benz dealer can enhance shift patterns and responsiveness. Installing an auxiliary transmission cooler can improve performance in high-stress conditions. Properly inflate tires and maintain alignment to reduce strain on the drivetrain, contributing to smoother 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-Benz 5G-Tronic Service Manual
Coming SoonThis comprehensive manual provides detailed instructions for servicing and repairing the 5G-Tronic transmission, including fluid change procedures and troubleshooting tips.
Technical Service Bulletin: 5G-Tronic Software Update
Coming SoonThis bulletin outlines the latest software updates for the 5G-Tronic transmission, addressing common issues and improving shift performance.
Mercedes-Benz Transmission Parts Catalog
Coming SoonThis catalog lists genuine parts and accessories for the 5G-Tronic transmission, including filters, gaskets, and fluid specifications.
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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.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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