Mercedes-Benz Mercedes CLS 2010-2017 9G-TRONIC Transmission Specifications
This document provides a detailed overview of the 9G-Tronic transmission specifications for the 2010-2017 Mercedes-Benz CLS. It includes technical details such as gear ratios, torque capacity, shift patterns, and fluid requirements. The 9G-Tronic transmission, introduced by Mercedes-Benz, is a 9-speed automatic transmission designed to enhance fuel efficiency, driving comfort, and performance. This guide is valuable for automotive enthusiasts, technicians, and owners seeking to understand the transmission's capabilities, maintenance requirements, and compatibility with the CLS models. It also serves as a reference for repair, upgrades, and performance tuning.
Overview Specifications
This document provides detailed technical specifications and insights into the 9G-TRONIC transmission used in Mercedes-Benz CLS models from 2010 to 2017. It is designed for enthusiasts, mechanics, and engineers seeking comprehensive information about this advanced automatic transmission. The document is organized into sections covering design, performance, maintenance, and key features. Use the search and navigation instructions to quickly find relevant details.
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Use the search function by entering keywords related to the 9G-TRONIC transmission. This will highlight sections or subsections containing your query. Ensure precise terms like 'gear ratios' or 'torque capacity' for accurate results.
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Key Specifications
Number of Gears
9
Torque Capacity
1000 Nm
Gear Ratio Spread
9.15:1
Weight
86 kg
Fuel Efficiency Improvement
Up to 11%
Available Specifications
Design and Architecture
The 9G-TRONIC transmission is known for its compact design and advanced engineering. This section details its structural components, layout, and innovative features that contribute to its efficiency and performance.
Design and Architecture
The 9G-TRONIC transmission is known for its compact design and advanced engineering. This section details its structural components, layout, and innovative features that contribute to its efficiency and performance.
Transmission Layout
- Compact and lightweight design
- 9-speed automatic configuration
- Integrated torque converter
- Electronically controlled hydraulic system
- Optimized gear spacing
- Modular construction for versatility
Key Components
- High-strength planetary gear sets
- Advanced clutch system
- Precision-engineered valve body
- Durable transmission fluid pump
- Integrated control unit
- Enhanced cooling system
Performance and Efficiency
This section explores the performance capabilities and efficiency improvements of the 9G-TRONIC transmission. It highlights how the transmission enhances driving dynamics and fuel economy.
Performance and Efficiency
This section explores the performance capabilities and efficiency improvements of the 9G-TRONIC transmission. It highlights how the transmission enhances driving dynamics and fuel economy.
Gear Ratios and Shifting
- Wide gear ratio spread (9.15:1)
- Smooth and quick gear shifts
- Adaptive shift logic
- Reduced shift times under load
- Enhanced downshift capability
- Optimized for high torque engines
Fuel Efficiency
- Improved fuel economy by up to 11%
- Eco start/stop functionality
- Reduced internal friction
- Efficient torque converter lockup
- Optimized gear selection for cruising
- Lower CO2 emissions
Maintenance and Reliability
Maintaining the 9G-TRONIC transmission ensures long-term reliability and performance. This section covers maintenance practices, common issues, and durability features.
Maintenance and Reliability
Maintaining the 9G-TRONIC transmission ensures long-term reliability and performance. This section covers maintenance practices, common issues, and durability features.
Maintenance Practices
- Regular transmission fluid checks
- Scheduled fluid and filter changes
- Software updates for control unit
- Inspection of clutch wear
- Monitoring of cooling system
- Diagnostic scans for error codes
Durability Features
- High-quality materials for longevity
- Robust sealing against leaks
- Enhanced heat dissipation
- Resistance to wear and tear
- Precision manufacturing standards
- Comprehensive testing under extreme conditions
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 9-speed
- Platform
- Mercedes-Benz CLS (2010-2017)
- Material
- Aluminum and Steel
- Location
- Front-engine, Rear-wheel-drive
Dimensions
- Length
- 28.7 inches (729 mm)
- Width
- 21.3 inches (541 mm)
- Height
- 18.9 inches (480 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
- High-strength steel
- Clutch Packs
- Composite friction materials
- Seals
- Synthetic rubber
Features
- Performance
-
- Smooth and fast gear shifts
- Wide gear ratio spread
- Adaptive shift programming
- Efficiency
-
- Reduced fuel consumption
- Eco start/stop function
- Low internal friction
- Drivability
-
- Manual shift mode
- Sport mode
- Comfort mode
- integration
-
- Seamless integration with Mercedes-Benz COMAND system
- Compatibility with 4MATIC all-wheel drive
- Integration with engine management system
Safety Features
- Fail-Safe
-
- Emergency running mode
- Diagnostic system with fault codes
- Protection
-
- Overheat protection
- Overload protection
Comfort Features
- Noise Reduction
- Optimized gear meshing for quiet operation
- Shift Quality
- Smooth and imperceptible gear changes
- Adaptive Learning
- Adapts to driver behavior for personalized driving experience
Accessories
- Upgrades
-
- Performance tuning modules
- Enhanced cooling systems
- Maintenance Tools
-
- Transmission fluid exchange kit
- Diagnostic scan tool
- Replacement Parts
-
- Transmission filter kit
- Seal and gasket kit
Maintenance
- Service interval
- Every 60,000 miles or 5 years
- Service Items
-
- Transmission fluid change
- Filter replacement
- Seal inspection
- Diagnostic scan
- Shift quality check
- Maintenance Notes
- Use only Mercedes-Benz approved transmission fluid
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Major components
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Emission control components
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision machining
- Automated assembly
- Quality testing
- Quality Control
- inspection: 100% component inspectionTesting: Dynamic and static testingCertification: ISO 9001 certified
- Sustainability Practices
-
- Recycling of manufacturing waste
- Use of eco-friendly materials
- Production Metrics
- Units Per Year: 500,000Defect Rate: <0.1%
Service Information for 9g tronic transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Diagnostic scan for fault codes
- Inspect shift quality
Ensure vehicle is on a level surface for accurate fluid level check
- Replace transmission fluid
- Replace transmission filter
- Inspect and replace seals if necessary
- Perform full diagnostic scan
Use only Mercedes-Benz approved transmission fluid
- Full transmission service
- Replace clutch packs if necessary
- Inspect and replace gears if necessary
- Perform full system performance test
Major service may require specialized tools and equipment
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 9G-Tronic transmission compatible with all 2010-2017 Mercedes CLS models?
Is the 9G-Tronic transmission compatible with all 2010-2017 Mercedes CLS models?
The 9G-Tronic transmission is compatible with most 2010-2017 Mercedes CLS models, particularly those with V6 and V8 engines. However, compatibility may vary depending on the specific engine and drivetrain configuration. It is essential to verify the vehicle's VIN and consult the manufacturer's compatibility chart before installation. The 9G-Tronic is designed for rear-wheel-drive and all-wheel-drive systems, ensuring optimal performance and efficiency.
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 longevity and performance. Mercedes-Benz recommends a transmission fluid and filter change every 60,000 to 80,000 miles, depending on driving conditions. Additionally, periodic inspections of the transmission mounts, seals, and electrical connections are advised. Using only manufacturer-approved fluids and parts is crucial to maintain warranty coverage and prevent damage.
Q3 How do I install or replace the 9G-Tronic transmission in a 2010-2017 Mercedes CLS?
How do I install or replace the 9G-Tronic transmission in a 2010-2017 Mercedes CLS?
Replacing the 9G-Tronic transmission involves several steps: 1) Disconnect the battery and remove the transmission pan to drain the fluid. 2) Detach the driveshaft, exhaust system, and transmission mounts. 3) Unbolt the transmission from the engine and carefully lower it using a transmission jack. 4) Install the new transmission by reversing the steps, ensuring proper alignment and torque specifications. 5) Refill with the correct transmission fluid and perform a system reset using diagnostic tools.
Q4 What are common troubleshooting steps for the 9G-Tronic transmission?
What are common troubleshooting steps for the 9G-Tronic transmission?
Common issues with the 9G-Tronic transmission include rough shifting, delayed engagement, or warning lights. Start by checking the transmission fluid level and condition. Use a diagnostic scanner to read fault codes from the transmission control module. Inspect electrical connections and sensors for damage or corrosion. If issues persist, a professional inspection of the valve body, solenoids, or internal components may be necessary.
Q5 How can I optimize the performance of the 9G-Tronic transmission?
How can I optimize the performance of the 9G-Tronic transmission?
To optimize the 9G-Tronic transmission, ensure regular maintenance and use only manufacturer-approved fluids. Avoid aggressive driving and excessive towing to reduce wear. Consider updating the transmission control module software to the latest version for improved shifting logic. Installing a transmission cooler can also enhance performance, especially in high-temperature conditions. Properly inflate tires and maintain the drivetrain for balanced load distribution.
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 Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and troubleshooting for the 9G-Tronic transmission in 2010-2017 Mercedes CLS models.
Technical Service Bulletin: 9G-Tronic Software Update
Coming SoonInformation on the latest software updates for the 9G-Tronic transmission, addressing shifting performance and diagnostic improvements.
9G-Tronic Parts and Accessories Catalog
Coming SoonComprehensive catalog of genuine parts and accessories for the 9G-Tronic transmission, including fluid, filters, and repair kits.
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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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