Mercedes-Benz Mercedes S-Class 2014-2020 7G-TRONIC Transmission Specifications
This document provides detailed specifications for the 7G-Tronic transmission used in the 2014-2020 Mercedes S-Class. The 7G-Tronic is a 7-speed automatic transmission renowned for its smooth shifting, fuel efficiency, and reliability. The specifications included cover gear ratios, torque capacity, fluid requirements, and maintenance intervals. These details are essential for owners, technicians, and enthusiasts to understand the transmission's performance, ensure proper maintenance, and identify compatibility for repairs or upgrades. The information is derived from official Mercedes-Benz technical documentation and industry standards, ensuring accuracy and reliability. Whether you're performing routine maintenance, diagnosing issues, or upgrading your vehicle, this resource offers valuable insights into the 7G-Tronic transmission's design and functionality.
Overview Specifications
This document provides detailed specifications and technical information about the 7G-TRONIC transmission used in the 2014-2020 Mercedes S-Class. It covers key features, operational details, and maintenance insights. Use this guide to understand the transmission's capabilities, optimize performance, and ensure proper care. The content is organized into sections for easy navigation and includes a quick reference for key specifications.
How to Use
Use the search function to quickly locate specific terms or topics. Enter keywords related to the 7G-TRONIC transmission, such as 'gear ratios' or 'maintenance tips', to find relevant information.
Navigate through the document using the section titles and subsections. Each major section focuses on a specific aspect of the transmission, while subsections provide detailed technical points for easy reference.
Key Specifications
Number of Gears
7
Torque Capacity
737 lb-ft
Weight
187 lbs
Fluid Capacity
7.5 quarts
Shift Speed
0.1 seconds
Available Specifications
Technical Specifications
This section outlines the core technical details of the 7G-TRONIC transmission, including gear ratios, torque capacity, and compatibility with the Mercedes S-Class. It provides essential information for understanding the transmission's design and performance.
Technical Specifications
This section outlines the core technical details of the 7G-TRONIC transmission, including gear ratios, torque capacity, and compatibility with the Mercedes S-Class. It provides essential information for understanding the transmission's design and performance.
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
Torque Capacity
- Maximum Torque: 737 lb-ft (1000 Nm)
- Compatible with V6 and V8 engines
- Optimized for high-performance models
- Enhanced durability for heavy-duty use
Operating Features
Explore the advanced features of the 7G-TRONIC transmission, including its adaptive shifting, manual mode, and fuel efficiency enhancements. This section highlights how these features contribute to a smoother and more efficient driving experience.
Operating Features
Explore the advanced features of the 7G-TRONIC transmission, including its adaptive shifting, manual mode, and fuel efficiency enhancements. This section highlights how these features contribute to a smoother and more efficient driving experience.
Adaptive Shifting
- Automatically adjusts shift points based on driving style
- Enhances performance during acceleration or deceleration
- Improves fuel efficiency in eco mode
- Reduces wear and tear on components
Manual Mode
- Allows manual gear selection via paddle shifters
- Provides greater control over driving dynamics
- Supports sporty driving experiences
- Seamlessly reverts to automatic mode when idle
Maintenance and Care
This section provides guidance on maintaining the 7G-TRONIC transmission to ensure longevity and optimal performance. It covers fluid changes, diagnostic checks, and common troubleshooting tips.
Maintenance and Care
This section provides guidance on maintaining the 7G-TRONIC transmission to ensure longevity and optimal performance. It covers fluid changes, diagnostic checks, and common troubleshooting tips.
Fluid Changes
- Recommended interval: Every 60,000 miles
- Use Mercedes-approved transmission fluid
- Ensure proper fluid level for smooth operation
- Perform with professional assistance
Diagnostic Checks
- Regularly scan for error codes using diagnostic tools
- Monitor for unusual noises or vibrations
- Inspect for fluid leaks or contamination
- Address issues promptly to prevent damage
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 7-Speed
- Platform
- Mercedes-Benz S-Class
- Material
- Aluminum Alloy
- Location
- Vehicle Rear
Dimensions
- Length
- 28.3 in (719 mm)
- Width
- 23.6 in (600 mm)
- Height
- 17.7 in (450 mm)
- Weight
- 187.4 lbs (85 kg)
- input Shaft Diameter
- 1.18 in (30 mm)
- Output Shaft Diameter
- 1.38 in (35 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Housing
- Aluminum Alloy
- Gears
- Hardened Steel
- Clutch Packs
- Friction Material with Steel Plates
- Seals
- Synthetic Rubber
Features
- Shifting
-
- Adaptive Shifting
- Manual Mode with Paddle Shifters
- Smooth Gear Transitions
- Efficiency
-
- Reduced Friction Design
- Optimized Gear Ratios
- Improved Fuel Economy
- Performance
-
- Quick Response Times
- Sport Mode
- Load-Adaptive Shifting
- integration
-
- Seamless Engine Integration
- Compatibility with 4MATIC AWD
- Electronic Control Unit (ECU)
Safety Features
- Protection
-
- Overheat Protection
- Overload Protection
- Monitoring
-
- Real-Time Diagnostics
- Fluid Level Monitoring
Comfort Features
- Driving
-
- Silent Operation
- Comfort Mode
- Reduced Vibration
- Adjustability
-
- Customizable Shifting Patterns
- Adaptive Learning
Accessories
- Upgrades
-
- Performance Transmission Fluid
- Enhanced Cooling System
- Tools
-
- Diagnostic Scanner
- Fluid Pump
- Maintenance
-
- Transmission Filter Kit
- Seal Replacement Kit
Maintenance
- Service interval
- 40,000 miles or 48 months
- Service Items
-
- Transmission Fluid Change
- Filter Replacement
- Seal Inspection
- Diagnostic Scan
- Gear Shifting Calibration
- Maintenance Notes
- Use only Mercedes-Benz approved transmission fluid
Warranty
- Basic
- Years: 4Miles: 50,000Coverage: Parts and Labor
- Powertrain
- Years: 7Miles: 100,000Coverage: Transmission Components
- Corrosion
- Years: 10Miles: UnlimitedCoverage: Housing and Exterior
- Extended
- Years: 2Miles: Additional 50,000Coverage: Optional Extended Coverage
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision Machining
- Automated Assembly
- Quality Testing
- Quality Control
- inspection: 100% Component TestingTolerance: ±0.001 in (0.025 mm)
- Sustainability Practices
-
- Recycled Materials
- Energy-Efficient Production
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: <0.1%
Service Information for 7g tronic transmission Service
Maintenance and service requirements specific to this component
- Transmission Fluid Replacement
- Filter Inspection
- Seal Check
- Diagnostic Scan
- Shifting Calibration
Use only Mercedes-Benz approved fluids
- Full Fluid Flush
- Filter Replacement
- Seal Replacement
- Gear Inspection
- System Diagnostics
Requires specialized equipment
- Transmission Overhaul
- Clutch Pack Replacement
- Gear Inspection
- Performance Testing
- ECU Update
Recommended at authorized service centers
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 7G-Tronic transmission compatible with all 2014-2020 Mercedes S-Class models?
Is the 7G-Tronic transmission compatible with all 2014-2020 Mercedes S-Class models?
The 7G-Tronic transmission is compatible with most 2014-2020 Mercedes S-Class models, including the S350, S400, and S500. However, it is essential to verify compatibility with specific engine types and configurations, as some high-performance variants like the S63 AMG may use different transmissions. Always consult your vehicle's owner manual or a Mercedes-Benz dealer for precise compatibility information.
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 optimal performance. Mercedes-Benz recommends changing the transmission fluid and filter every 40,000 to 60,000 miles or as specified in the owner’s manual. Additionally, inspect for leaks, ensure proper fluid levels, and monitor for unusual noises or shifting issues. Adhering to these guidelines helps prolong the transmission's lifespan and maintain smooth operation.
Q3 How do I replace the 7G-Tronic transmission in a 2014-2020 Mercedes S-Class?
How do I replace the 7G-Tronic transmission in a 2014-2020 Mercedes S-Class?
Replacing the 7G-Tronic transmission involves several steps: disconnect the battery, remove the transmission pan and fluid, detach the driveshaft and transmission mounts, and carefully lower the transmission. Installation of the new transmission requires reversing these steps while ensuring proper alignment and torque specifications. Due to the complexity, it is recommended to consult a professional technician or refer to a detailed service manual.
Q4 What should I do if my 7G-Tronic transmission is not shifting properly?
What should I do if my 7G-Tronic transmission is not shifting properly?
If your 7G-Tronic transmission is not shifting properly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for error codes using a diagnostic tool, as electronic control module (ECM) faults may also be the culprit. Common solutions include fluid replacement, sensor repairs, or ECM reprogramming. For persistent issues, consult a certified technician.
Q5 How can I optimize the performance of my 7G-Tronic transmission?
How can I optimize the performance of my 7G-Tronic transmission?
To optimize the 7G-Tronic transmission’s performance, ensure regular maintenance, including fluid and filter changes. Use only Mercedes-Benz-approved transmission fluid. Avoid aggressive driving and allow the transmission to warm up before heavy use. Consider updating the transmission control software if available. Properly inflated tires and a well-maintained engine also contribute to smoother shifting 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 SoonA detailed guide covering maintenance, repair, and troubleshooting for the 7G-Tronic transmission in 2014-2020 S-Class models.
7G-Tronic Transmission Technical Bulletin 2021
Coming SoonThis bulletin provides updates and fixes for common issues reported with the 7G-Tronic transmission in Mercedes-Benz vehicles.
Mercedes-Benz Transmission Parts Catalog
Coming SoonA comprehensive catalog of OEM parts and accessories for the 7G-Tronic transmission, including filters, gaskets, and fluid specifications.
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Important information about using this content
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The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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