Mercedes-Benz Mercedes GLC 2015-present 7G-TRONIC Transmission Specifications
This document provides a detailed overview of the 7G-Tronic transmission specifications for the 2015-Present Mercedes GLC. It includes technical details such as gear ratios, torque capacity, and shift patterns, along with insights into the transmission's design and functionality. The 7G-Tronic, a 7-speed automatic transmission, is renowned for its smooth shifting, fuel efficiency, and adaptability to various driving conditions. This guide is designed to assist automotive enthusiasts, technicians, and owners in understanding the transmission's performance, maintenance requirements, and compatibility with the GLC model. Whether you're looking to service, repair, or upgrade your vehicle, this resource offers valuable information to ensure optimal performance and longevity of your Mercedes GLC's transmission system.
Overview Specifications
This document provides detailed specifications and technical information about the 7G-TRONIC transmission used in the 2015-Present Mercedes GLC. It is designed to help users understand the features, performance, and maintenance of this advanced automatic transmission. Use the search and navigation instructions to quickly find relevant information.
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Key Specifications
Transmission Type
7-speed automatic
Maximum Torque
700 Nm
Gear Ratios
4.38:1 to 0.73:1
Service Interval
60,000 miles
Compatibility
Petrol, Diesel, Hybrid
Available Specifications
Transmission Overview
This section provides an introduction to the 7G-TRONIC transmission, its design philosophy, and its role in the Mercedes GLC's performance. Learn about its key features and how it enhances driving dynamics.
Transmission Overview
This section provides an introduction to the 7G-TRONIC transmission, its design philosophy, and its role in the Mercedes GLC's performance. Learn about its key features and how it enhances driving dynamics.
Design and Functionality
- 7-speed automatic transmission with torque converter
- Optimized for smooth and efficient gear shifts
- Supports manual shifting via steering wheel paddles
- Adaptive shift logic for dynamic driving conditions
- Compact and lightweight design for improved fuel efficiency
- Enhanced durability for long-term reliability
Performance Benefits
- Improved acceleration and responsiveness
- Reduced fuel consumption and emissions
- Seamless integration with Mercedes' 4MATIC all-wheel-drive system
- Enhanced driving comfort in urban and highway conditions
- Supports ECO, Comfort, and Sport driving modes
- Low noise and vibration levels for a refined driving experience
Technical Specifications
This section outlines the technical details of the 7G-TRONIC transmission, including gear ratios, torque capacity, and compatibility with different engine types.
Technical Specifications
This section outlines the technical details of the 7G-TRONIC transmission, including gear ratios, torque capacity, and compatibility with different engine types.
Gear Ratios and Torque
- 1st gear ratio: 4.38:1
- 2nd gear ratio: 2.86:1
- 3rd gear ratio: 1.92:1
- 4th gear ratio: 1.37:1
- 5th gear ratio: 1.00:1
- 6th gear ratio: 0.82:1
- 7th gear ratio: 0.73:1
Torque Capacity
- Maximum torque capacity: 700 Nm
- Compatible with petrol and diesel engines
- Designed for high-performance and luxury vehicles
- Supports hybrid powertrain configurations
- Efficient power delivery across all gears
- Optimized for low-end torque and high-speed cruising
Maintenance and Service
This section covers maintenance requirements, service intervals, and troubleshooting tips for the 7G-TRONIC transmission to ensure optimal performance and longevity.
Maintenance and Service
This section covers maintenance requirements, service intervals, and troubleshooting tips for the 7G-TRONIC transmission to ensure optimal performance and longevity.
Service Intervals
- Transmission fluid change every 60,000 miles or 5 years
- Regular inspection of transmission mounts and linkages
- Software updates for adaptive shift logic
- Check for leaks or unusual noises during routine maintenance
- Replace transmission filter during fluid changes
- Monitor for signs of wear in clutch packs and gears
Troubleshooting Tips
- Delayed or harsh shifts: Check fluid levels and condition
- Transmission overheating: Inspect cooling system and fluid flow
- Unusual noises: Examine torque converter and gear train
- Warning lights: Use diagnostic tools to identify error codes
- Reduced performance: Verify software and sensor functionality
- Leaks: Inspect seals and gaskets for damage
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Transmission Specifications
Overview
- Type
- 7-speed automatic transmission
- Configuration
- Longitudinal
- Platform
- Mercedes-Benz MRA platform
- Material
- Aluminum alloy casing
- Location
- Rear-wheel drive or all-wheel drive configuration
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.9 inches (480 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.2 inches (30 mm)
- Output Shaft Diameter
- 1.5 inches (38 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutch Packs
- Carbon fiber reinforced friction material
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic composites
Features
- Shift Technology
-
- Direct Select shift lever
- Touch Shift manual mode
- Adaptive shift logic
- Eco Start/Stop function
- Performance
-
- Wide gear ratio spread (7.59:1)
- Quick shift response (100 ms)
- Torque converter lock-up clutch
- Integrated cooling system
- Driving Modes
-
- Comfort mode
- Sport mode
- Manual mode
- Eco mode
- integration
-
- Seamless integration with 4MATIC all-wheel drive
- Compatibility with hybrid systems
- Integrated transmission control unit
- CAN bus communication
- Durability
-
- Lifetime fluid fill (sealed for life)
- High-temperature resistant materials
- Corrosion-resistant coatings
- Vibration-dampening mounts
Safety Features
- Fail Safe
-
- Emergency limp-home mode
- Overheat protection
- Torque limitation in fault conditions
- Driver Assistance
-
- Hill-start assist
- Downhill speed regulation
- Automatic neutral idle
- Protection
-
- Sealed transmission housing
- Integrated fluid filtration
- Overpressure relief valve
Comfort Features
- Noise Reduction
-
- Acoustic damping materials
- Precision gear meshing
- Vibration isolation mounts
- Smoothness
-
- Adaptive shift smoothing
- Torque converter damping
- Low-speed creep function
- Convenience
-
- Automatic park engagement
- Remote start compatibility
- One-touch gear selection
Accessories
- Upgrades
-
- Performance transmission mounts
- Enhanced cooling kits
- Custom shift paddles
- Tools
-
- Transmission fluid exchange kit
- Diagnostic interface cable
- Mounting alignment tool
- Maintenance
-
- Transmission fluid filter kit
- Seal replacement kit
- Gasket set
Maintenance
- Service interval
- Every 60,000 miles or 5 years
- Service Items
-
- Transmission fluid inspection
- Seal and gasket condition check
- Mounting bolt torque verification
- Electrical connector inspection
- Shift quality assessment
- 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: 10Coverage: Housing and external components
- Emissions
- Miles: 70,000Years: 8Coverage: Transmission control systems
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser welding
- Computer-controlled testing
- Quality Control
- Dimensional Checks: 100% inspectionPerformance Testing: Full load cycle testingLeak Testing: Pressure and vacuum testing
- Sustainability Practices
-
- Recycled aluminum content
- Closed-loop fluid systems
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1200Defect Rate: <0.01%Energy Consumption: 15 kWh per unit
Service Information for 7g tronic transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid level check
- Electrical connections inspection
- Mounting hardware torque check
- Shift quality assessment
- Diagnostic system scan
Early detection of potential issues
- Transmission fluid and filter replacement
- Seal and gasket inspection
- Transmission control unit software update
- Shift linkage adjustment
- Cooling system inspection
Requires specialized diagnostic equipment
- Complete transmission fluid flush
- Torque converter inspection
- Clutch pack wear analysis
- Valve body cleaning and testing
- Full system performance evaluation
May require transmission removal for complete service
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 7G-Tronic transmission compatible with all 2015-Present Mercedes GLC models?
Is the 7G-Tronic transmission compatible with all 2015-Present Mercedes GLC models?
The 7G-Tronic transmission is compatible with most 2015-Present Mercedes GLC models, including the GLC 300, GLC 350e, and GLC 43 AMG. However, compatibility may vary depending on the engine type and drivetrain configuration. Always verify with your vehicle's VIN or consult a Mercedes-Benz dealer to ensure compatibility before making any modifications or replacements.
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. This includes changing the transmission fluid and filter every 60,000 to 80,000 miles, depending on driving conditions. Additionally, inspect for leaks, ensure proper software updates, and monitor for unusual noises or shifting behavior. Adhering to the manufacturer's maintenance schedule is crucial for longevity.
Q3 How do I replace the 7G-Tronic transmission in a Mercedes GLC?
How do I replace the 7G-Tronic transmission in a Mercedes GLC?
Replacing the 7G-Tronic transmission involves several steps: disconnect the battery, remove the transmission pan and fluid, detach the driveshaft and exhaust components, and unbolt the transmission from the engine. Use a transmission jack to safely lower and remove the old unit. Install the new transmission by reversing the process, ensuring all connections are secure. Refill with the correct transmission fluid and perform a system reset using diagnostic tools.
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 your 7G-Tronic transmission is not shifting smoothly, 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. Common solutions include updating the transmission control module software, replacing worn components like solenoids, or performing a transmission fluid flush. If problems persist, 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 performance of your 7G-Tronic transmission, ensure regular maintenance, including fluid changes and software updates. Use high-quality transmission fluid recommended by Mercedes-Benz. Avoid aggressive driving and excessive towing to reduce wear. Consider installing a transmission cooler for heavy-duty use. Regularly monitor transmission behavior and address any issues promptly to maintain peak performance.
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 SoonThis manual provides detailed instructions for servicing and maintaining the 7G-Tronic transmission, including fluid changes, diagnostics, and repair procedures.
7G-Tronic Transmission Technical Bulletin 2023
Coming SoonThis bulletin outlines the latest updates and fixes for the 7G-Tronic transmission, including software enhancements and common troubleshooting tips.
Mercedes GLC Transmission Parts Catalog
Coming SoonThis catalog lists all compatible parts and accessories for the 7G-Tronic transmission in the Mercedes GLC, 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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