Mercedes-Benz Mercedes SL 2012-present 7G-TRONIC Transmission Specifications
This document provides detailed technical specifications for the 7G-Tronic automatic transmission used in Mercedes SL models from 2012 to the present. The 7G-Tronic, also known as the 7-speed automatic transmission, is a key component in the SL series, offering smooth gear shifts, improved fuel efficiency, and enhanced driving performance. The specifications included cover gear ratios, torque capacity, fluid type, maintenance intervals, and common troubleshooting tips. This information is invaluable for technicians, enthusiasts, and owners who seek to understand the transmission's capabilities, perform maintenance, or diagnose issues. By providing a comprehensive overview of the 7G-Tronic transmission, this document aims to assist in optimizing the performance and longevity of the Mercedes SL.
Overview Specifications
This document provides detailed specifications and technical information about the 7G-TRONIC transmission used in the 2012-Present Mercedes-Benz SL models. It is designed for enthusiasts, engineers, and technicians seeking in-depth knowledge about the transmission system. The document is organized into sections covering key features, performance, and maintenance. 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 transmission, such as 'gear ratios' or 'torque converter,' to find relevant sections quickly.
Navigate through the document using the section titles and subsections. Each major section focuses on a specific aspect of the 7G-TRONIC transmission, with subsections providing detailed information. Use the table of contents for a quick overview.
Key Specifications
Number of Gears
7
Transmission Type
Automatic
Torque Capacity
737 lb-ft
Weight
187 lbs
Shift Time
100 ms
Available Specifications
Transmission Features
This section highlights the key features of the 7G-TRONIC transmission, including its design, technology, and innovations. Learn about the advanced engineering that makes this transmission a standout in the Mercedes-Benz SL lineup.
Transmission Features
This section highlights the key features of the 7G-TRONIC transmission, including its design, technology, and innovations. Learn about the advanced engineering that makes this transmission a standout in the Mercedes-Benz SL lineup.
Gear Configuration
- 7-speed automatic transmission
- Compact and lightweight design
- Optimized gear ratios for performance and efficiency
- Adaptive shift program for dynamic driving
Technology
- Torque converter with lock-up clutch
- Direct Select lever for manual shifting
- ECO Start/Stop function for fuel efficiency
- Integrated control unit for seamless operation
Performance
This section explores the performance capabilities of the 7G-TRONIC transmission. Discover how it enhances the driving experience in the Mercedes-Benz SL with smooth shifts, quick response, and optimized power delivery.
Performance
This section explores the performance capabilities of the 7G-TRONIC transmission. Discover how it enhances the driving experience in the Mercedes-Benz SL with smooth shifts, quick response, and optimized power delivery.
Shift Quality
- Smooth and precise gear changes
- Reduced shift times for improved acceleration
- Adaptive shifting based on driving conditions
- Manual mode for sportier driving
Fuel Efficiency
- Optimized gear ratios reduce fuel consumption
- ECO Start/Stop system minimizes idle fuel use
- Efficient torque converter design
- Reduced internal friction for better efficiency
Maintenance
This section provides essential information on maintaining the 7G-TRONIC transmission. Learn about recommended service intervals, fluid requirements, and troubleshooting tips to ensure long-lasting performance.
Maintenance
This section provides essential information on maintaining the 7G-TRONIC transmission. Learn about recommended service intervals, fluid requirements, and troubleshooting tips to ensure long-lasting performance.
Service Intervals
- Transmission fluid change every 60,000 miles
- Regular inspection of seals and gaskets
- Diagnostic checks for error codes
- Lubrication of moving parts
Fluid Requirements
- Use only Mercedes-Benz-approved transmission fluid
- Check fluid level regularly
- Replace fluid filter during service
- Ensure proper fluid temperature during changes
Search Specifications
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 7-speed with torque converter
- Platform
- Mercedes-Benz 7G-TRONIC PLUS
- Material
- High-strength aluminum and steel
- Location
- Longitudinal, rear-wheel drive/all-wheel drive
Dimensions
- Length
- 28.3 in (719 mm)
- Width
- 23.6 in (600 mm)
- Height
- 18.9 in (480 mm)
- Weight
- 187.4 lbs (85 kg)
- input Shaft Length
- 12.6 in (320 mm)
- Output Shaft Length
- 14.2 in (360 mm)
- Oil Capacity
- 7.4 quarts (7 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutch Pack
- Composite friction materials
- Torque Converter
- Steel and aluminum
- Seals
- Synthetic rubber
Features
- Shifting
-
- Adaptive shift logic
- Manual mode with paddle shifters
- Smooth gear transitions
- Kick-down function
- Efficiency
-
- Reduced internal friction
- Optimized gear ratios
- Start-stop functionality
- Eco mode
- Performance
-
- Fast gear changes
- Sport mode
- High torque capacity
- Dynamic stability integration
- Technology
-
- Electronic control unit (ECU)
- CAN bus integration
- Self-diagnostic system
- Adaptive learning
- Comfort
-
- Quiet operation
- Smooth acceleration
- Reduced vibration
- Enhanced thermal management
Safety Features
- Protection
-
- Overheat protection
- Overload protection
- Fail-safe mode
- integration
-
- ABS compatibility
- ESP integration
- Hill-start assist
Comfort Features
- Noise Reduction
-
- Acoustic dampening
- Low-vibration design
- Driving Modes
-
- Comfort mode
- Sport mode
- Manual mode
- Smoothness
-
- Seamless gear changes
- Adaptive torque converter
Accessories
- Upgrades
-
- Performance tuning kits
- Enhanced cooling systems
- Sport shift paddles
- Maintenance
-
- Transmission fluid kits
- Filter replacement kits
- Seal repair kits
- Diagnostic
-
- OBD-II scanners
- Transmission diagnostic tools
- Software updates
Maintenance
- Service interval
- Every 40,000 miles or 48 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- ECU diagnostics
- Torque converter check
- Shift quality assessment
- Maintenance Notes
- Use only Mercedes-Benz approved fluids and parts.
Warranty
- Basic
- Years: 4Miles: 50000Coverage: Parts and labor
- Powertrain
- Years: 6Miles: 70000Coverage: Transmission components
- Corrosion
- Years: 5Miles: UnlimitedCoverage: Housing and seals
- Emissions
- Years: 2Miles: 24000Coverage: ECU and sensors
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision machining
- Automated assembly
- Rigorous testing
- Quality Control
- inspection: 100% component inspectionTesting: Dynamic load testingCertification: ISO 9001 and ISO 14001
- Sustainability
-
- Recyclable materials
- Energy-efficient production
- Waste reduction programs
- Production Metrics
- Units Per Year: 500000Defect Rate: <0.1%Lead Time: 4 weeks
Service Information for 7g tronic transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Replace transmission filter
- Inspect seals and gaskets
- Check for leaks
- Run ECU diagnostics
Use only Mercedes-Benz approved transmission fluid.
- Full transmission fluid flush
- Replace torque converter seals
- Inspect clutch packs
- Check shift quality
- Update transmission software
Requires specialized diagnostic equipment.
- Overhaul transmission internals
- Replace worn gears and bearings
- Inspect and clean valve body
- Replace all seals and gaskets
- Perform load testing
Recommended to replace torque converter if signs of wear are present.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 7G-Tronic transmission compatible with all 2012-Present Mercedes SL models?
Is the 7G-Tronic transmission compatible with all 2012-Present Mercedes SL models?
The 7G-Tronic transmission is compatible with most 2012-Present Mercedes SL models, but compatibility may vary based on specific engine configurations. It supports V6, V8, and V12 engines within the SL-Class lineup. Always verify compatibility using your vehicle’s VIN or consult Mercedes-Benz technical documentation to ensure proper integration.
Q2 What are the maintenance requirements for the 7G-Tronic transmission?
What are the maintenance requirements for the 7G-Tronic transmission?
The 7G-Tronic transmission requires regular maintenance to ensure longevity. This includes changing the transmission fluid and filter every 40,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, update software as needed, and follow Mercedes-Benz’s recommended service intervals. Proper maintenance prevents wear and ensures smooth operation.
Q3 How is the 7G-Tronic transmission installed or replaced?
How is the 7G-Tronic transmission installed or replaced?
Replacing the 7G-Tronic transmission involves removing the old unit, installing the new one, and ensuring proper alignment. Steps include disconnecting the battery, draining fluids, removing mounting bolts, and detaching the driveshaft. After installation, refill with the correct transmission fluid, reset the control unit, and perform a test drive. Professional installation is recommended.
Q4 What should I do if my 7G-Tronic transmission is not shifting smoothly?
What should I do if my 7G-Tronic transmission is not shifting smoothly?
If the 7G-Tronic transmission is not shifting smoothly, check for low fluid levels or contaminated fluid. Inspect for error codes using a diagnostic tool. Common solutions include fluid replacement, software updates, or addressing worn components like solenoids or clutch packs. Persistent issues may require professional diagnosis.
Q5 How can I optimize the performance of the 7G-Tronic transmission?
How can I optimize the performance of the 7G-Tronic transmission?
To optimize performance, use Mercedes-Benz-approved transmission fluid, keep the software updated, and avoid aggressive driving. Regular maintenance, including fluid changes and filter replacements, is crucial. Additionally, ensure the transmission control unit is properly calibrated for smoother shifts and improved efficiency.
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 7G-Tronic Transmission Service Manual
Coming SoonDetailed guide covering maintenance, repair, and troubleshooting for the 7G-Tronic transmission in 2012-Present SL models.
Technical Service Bulletin for 7G-Tronic Transmission Updates
Coming SoonLatest updates and fixes for the 7G-Tronic transmission, including software patches and performance enhancements.
7G-Tronic Transmission Parts Catalog
Coming SoonComprehensive catalog of OEM parts and accessories for the 7G-Tronic transmission in Mercedes SL 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.
- 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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