Mercedes-Benz Mercedes C-Class 2021-present 9G-TRONIC Transmission Specifications
This document provides a detailed overview of the 9G-Tronic transmission specifications for the 2021-Present Mercedes-Benz C-Class. The 9G-Tronic is a 9-speed automatic transmission designed for enhanced performance, fuel efficiency, and smooth shifting. Key specifications include gear ratios, torque capacity, electronic control systems, and maintenance intervals. This information is invaluable for owners, technicians, and enthusiasts seeking to understand the transmission's capabilities, troubleshoot issues, or perform upgrades. The document also covers compatibility with various C-Class models, ensuring accurate reference for maintenance and repair tasks. By consolidating technical data and practical insights, this resource serves as a go-to guide for optimizing the performance and longevity of the 9G-Tronic transmission.
Overview Specifications
This document provides a comprehensive overview of the 9G-TRONIC transmission specifications for the 2021-Present Mercedes-Benz C-Class. It includes detailed technical information, operational insights, and key features of the advanced automatic transmission system. Use this guide to understand the transmission's capabilities, performance, and maintenance requirements. The document is organized into sections for easy navigation and quick reference.
How to Use
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Key Specifications
Number of Gears
9
Maximum Torque
1000 Nm
Transmission Type
Automatic
Service Interval
60,000 miles
Compatibility
Petrol & Diesel
Available Specifications
Technical Specifications
This section covers the core technical aspects of the 9G-TRONIC transmission, including gear ratios, torque capacity, and dimensions. It provides a detailed breakdown of the transmission's design and engineering.
Technical Specifications
This section covers the core technical aspects of the 9G-TRONIC transmission, including gear ratios, torque capacity, and dimensions. It provides a detailed breakdown of the transmission's design and engineering.
Gear Ratios
- 1st gear: 5.35:1
- 2nd gear: 3.24:1
- 3rd gear: 2.25:1
- 4th gear: 1.64:1
- 5th gear: 1.21:1
- 6th gear: 1.00:1
Torque Capacity
- Maximum torque: 1000 Nm
- Compatible with both petrol and diesel engines
- Designed for high-performance applications
- Efficient power transfer with minimal loss
Performance Features
Explore the advanced performance features of the 9G-TRONIC transmission, including its smooth shifting, fuel efficiency, and adaptive driving modes. This section highlights the transmission's role in enhancing the driving experience.
Performance Features
Explore the advanced performance features of the 9G-TRONIC transmission, including its smooth shifting, fuel efficiency, and adaptive driving modes. This section highlights the transmission's role in enhancing the driving experience.
Smooth Shifting
- Seamless gear changes with no noticeable lag
- Reduced shift shock for passenger comfort
- Optimized for both city and highway driving
- Adaptive shift patterns based on driving style
Fuel Efficiency
- Improved fuel economy compared to previous models
- Eco mode for optimal fuel consumption
- Reduced internal friction for higher efficiency
- Supports start-stop technology
Maintenance and Durability
Learn about the maintenance requirements and durability features of the 9G-TRONIC transmission. This section provides insights into its long-term reliability and care tips.
Maintenance and Durability
Learn about the maintenance requirements and durability features of the 9G-TRONIC transmission. This section provides insights into its long-term reliability and care tips.
Maintenance
- Recommended service interval: 60,000 miles
- Use of Mercedes-Benz-approved transmission fluid
- Regular software updates for optimal performance
- Diagnostic tools for early fault detection
Durability
- Robust construction for extended lifespan
- Resistant to wear and tear under heavy use
- High-quality materials for long-term reliability
- Tested under extreme conditions for durability
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 9-Speed
- Platform
- Mercedes-Benz Rear-Wheel Drive (RWD) and All-Wheel Drive (4MATIC)
- Material
- Aluminum Alloy Housing
- Location
- Integrated with Engine Block
- introduction Year
- 2021
Dimensions
- Length
- 22.8 inches (579 mm)
- Width
- 17.3 inches (439 mm)
- Height
- 14.2 inches (361 mm)
- Weight
- 198.4 lbs (90 kg)
- input Shaft Diameter
- 1.18 inches (30 mm)
- Output Shaft Diameter
- 1.57 inches (40 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Housing
- Aluminum Alloy
- Gears
- Case-Hardened Steel
- Clutch Packs
- Carbon Fiber Composite
- Seals
- Synthetic Rubber
- Sensors
- High-Temperature Plastic
Features
- Performance
-
- Rapid Gear Shifts
- Adaptive Shift Logic
- Eco Mode Optimization
- Technology
-
- Integrated Torque Converter
- Electronic Control Unit (ECU)
- Direct Shift Capability
- Driving Modes
-
- Comfort Mode
- Sport Mode
- Manual Mode
- Efficiency
-
- Start-Stop Functionality
- Reduced Friction Design
- Optimized Gear Ratios
- integration
-
- Seamless Engine Integration
- Compatibility with Hybrid Systems
- Adaptive Cruise Control Support
Safety Features
- Fail Safe
-
- Emergency Neutral Mode
- Overheat Protection
- Monitoring
-
- Real-Time Diagnostics
- Fluid Level Sensors
- Driver Assistance
-
- Hill Start Assist
- Downhill Speed Regulation
Comfort Features
- Smoothness
-
- Vibration Dampening
- Quiet Operation
- Convenience
-
- Paddle Shifters
- Auto Park Function
- Climate Control
-
- Transmission Cooling System
- Heated Fluid for Cold Climates
- Customization
-
- Driver Profile Memory
- Adaptive Learning
Accessories
- Upgrades
-
- Performance Tuning Kit
- Enhanced Cooling System
- Tools
-
- Diagnostic Scanner
- Fluid Exchange Pump
- Maintenance
-
- Transmission Fluid Kit
- Filter Replacement Kit
- Seal Repair Kit
Maintenance
- Service interval
- Every 60,000 miles or 5 years
- Service Items
-
- Fluid Replacement
- Filter Replacement
- Seal Inspection
- Sensor Calibration
- Clutch Pack Check
- Maintenance Notes
- Use only Mercedes-Benz approved transmission fluid.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and Labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Transmission Components
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Housing and Seals
- Extended
- Miles: 120,000Years: 10Coverage: Optional Extended Coverage
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision Casting
- CNC Machining
- Heat Treatment
- Quality Control
- Testing: Durability Testing, Performance BenchmarksCertifications: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recycled Materials
- Energy-Efficient Production
- Production Metrics
- Units Per Year: 500,000Defect Rate: 0.01%
Service Information for 9g tronic transmission Service
Maintenance and service requirements specific to this component
- Fluid Level Check
- Filter Inspection
- Sensor Diagnostics
- Seal Condition Check
Ensure fluid is at optimal temperature during inspection.
- Fluid Replacement
- Filter Replacement
- Clutch Pack Inspection
- Shift Quality Test
Use OEM-approved transmission fluid.
- Complete Transmission Overhaul
- Clutch Pack Replacement
- Seal Replacement
- Performance Calibration
Requires specialized tools and trained technicians.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 9G-TRONIC transmission compatible with all 2021-Present Mercedes C-Class models?
Is the 9G-TRONIC transmission compatible with all 2021-Present Mercedes C-Class models?
The 9G-TRONIC transmission is compatible with most 2021-Present Mercedes C-Class models, including the C300 and C43 AMG variants. However, it is essential to verify compatibility with the specific engine and drivetrain configuration. Mercedes-Benz provides detailed compatibility charts in their technical documentation. Ensure your vehicle’s VIN is cross-referenced with the manufacturer’s database for accurate confirmation.
Q2 What are the maintenance requirements for the 9G-TRONIC transmission?
What are the maintenance requirements for the 9G-TRONIC transmission?
The 9G-TRONIC transmission requires regular maintenance to ensure optimal performance. Mercedes-Benz recommends a fluid and filter change every 60,000 miles or 5 years, whichever comes first. Additionally, periodic software updates and diagnostic checks are advised. Always use Mercedes-Benz-approved transmission fluid and follow the manufacturer’s maintenance schedule to avoid voiding the warranty.
Q3 How do I install or replace the 9G-TRONIC transmission in a Mercedes C-Class?
How do I install or replace the 9G-TRONIC transmission in a Mercedes C-Class?
Installing or replacing the 9G-TRONIC transmission requires professional expertise. Begin by safely lifting the vehicle and removing the undercarriage components. Disconnect the transmission from the engine, drivetrain, and electrical connectors. Install the new transmission, ensuring proper alignment and torque specifications. Refill with approved transmission fluid and perform a system calibration using Mercedes-Benz diagnostic tools. Refer to the official service manual for detailed instructions.
Q4 What should I do if my 9G-TRONIC transmission is not shifting smoothly?
What should I do if my 9G-TRONIC transmission is not shifting smoothly?
If your 9G-TRONIC transmission is not shifting smoothly, start by checking the transmission fluid level and condition. Low or degraded fluid can cause shifting issues. Perform a diagnostic scan using Mercedes-Benz XENTRY or compatible tools to identify error codes. Common solutions include updating the transmission software, replacing the transmission fluid, or inspecting the valve body. If problems persist, consult a certified technician.
Q5 How can I optimize the performance of my 9G-TRONIC transmission?
How can I optimize the performance of my 9G-TRONIC transmission?
To optimize the performance of the 9G-TRONIC transmission, ensure regular maintenance, including fluid changes and software updates. Use the vehicle in appropriate driving modes (e.g., Sport or Comfort) for enhanced responsiveness. Avoid aggressive driving and ensure the transmission is properly calibrated after any service. Mercedes-Benz also offers performance tuning options through their AMG division for further enhancement.
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 9G-TRONIC Transmission Service Manual
Coming SoonComprehensive guide covering installation, maintenance, and troubleshooting procedures for the 9G-TRONIC transmission.
9G-TRONIC Transmission Technical Bulletin 2023
Coming SoonLatest updates and technical information regarding the 9G-TRONIC transmission, including software improvements and compatibility notes.
9G-TRONIC Transmission Parts Catalog
Coming SoonDetailed catalog of genuine parts and accessories for the 9G-TRONIC transmission, including part numbers and compatibility charts.
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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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