Mercedes-Benz W246 7-Speed DCT Automatic Transmission 724.003
Product Description
Mercedes-Benz 7-speed dual-clutch automatic transmission (DCT), transmission type 724.003, for selected Mercedes-Benz W246 applications.
The 724.003 is part of Mercedes-Benz’s 7G-DCT / 724 transmission family, a compact 7-speed dual-clutch transmission developed for front-wheel-drive Mercedes-Benz applications. It uses two independently controlled clutches to provide fast, smooth gear changes with minimal interruption of engine torque.
This transmission is identified by the marking 2-16-15 and is intended as a replacement unit for vehicles equipped with the corresponding 724.003 specification.
Product Identification
| Specification | Details |
|---|---|
| Manufacturer | Mercedes-Benz |
| Transmission Family | 724 |
| Transmission Type | 724.003 |
| Commercial Name | 7G-DCT |
| Configuration | 7-Speed Dual-Clutch Automatic |
| Gear Type | Dual-Clutch Transmission (DCT) |
| Vehicle Application | Mercedes-Benz W246 B-Class* |
| Identification / Date Marking | 2-16-15 |
| Forward Gears | 7 |
| Reverse | 1 |
| Drive Layout | Front-Wheel Drive |
| Control System | Electronic / Electro-Hydraulic |
| Clutch System | Dual wet clutch |
| Transmission Architecture | Transverse |
| Transmission Family | Mercedes-Benz 724 / 7G-DCT |
*Exact compatibility must be confirmed using the vehicle VIN, original transmission number and drivetrain specification.
Typical Gear Ratios
The 7G-DCT transmission uses seven forward ratios designed to provide responsive acceleration while maintaining low engine speed during higher-speed cruising.
| Gear | Ratio |
|---|---|
| 1st | Approx. 3.857:1 |
| 2nd | Approx. 2.429:1 |
| 3rd | Approx. 2.143:1 |
| 4th | Approx. 1.024:1 |
| 5th | Approx. 0.776:1 |
| 6th | Approx. 0.632:1 |
| 7th | Approx. 0.489:1 |
| Reverse | Application-dependent |
Ratios may differ according to the specific transmission calibration and application.
Key Features
- Mercedes-Benz 7G-DCT 7-speed dual-clutch transmission
- Transmission code 724.003
- Designed for selected Mercedes-Benz W246 B-Class applications
- Compact transverse transmission design
- Dual wet-clutch system
- Fast and smooth gear changes
- Electronic transmission control
- Electro-hydraulic actuation
- Seven forward gears plus reverse
- Designed for efficient power delivery and reduced shift interruption
- Suitable for professional replacement and refurbishment applications
Compatible Applications
The 724.003 transmission is associated with selected Mercedes-Benz compact-car applications, including the W246 B-Class.
Potential application matching may depend on:
- Engine type
- Engine output
- Model year
- Production date
- Front-wheel-drive configuration
- Transmission software
- Mechatronic/control-unit specification
- Mercedes-Benz OE part number
Do not assume that every 724-series transmission is interchangeable. The complete transmission identification should be matched before ordering.
Compatibility Verification
For accurate vehicle matching, please provide or compare:
- VIN / chassis number
- Original transmission number
- Mercedes-Benz OE part number
- Engine code
- Vehicle model and production year
- Drivetrain configuration
- Mechatronic/control-unit number
The transmission code 724.003 should be treated as the primary identification reference, but final compatibility should always be confirmed against the vehicle and original gearbox specification.
Transmission Fluid & Service
Use only the Mercedes-Benz-approved transmission fluid specified for the exact 724-series transmission and vehicle application.
Fluid quantity, service procedure and adaptation requirements can vary depending on the transmission version. After installation, professional diagnostic equipment may be required to perform clutch/transmission adaptations, initialization and electronic system checks.
Ideal For
- Mercedes-Benz W246 automatic transmission replacement
- Professional transmission workshops
- Automotive repair facilities
- Gearbox rebuilding and refurbishment
- Vehicle dismantlers and spare-parts suppliers
- OEM-specification replacement applications
Product Summary
Brand: Mercedes-Benz
Transmission: 7G-DCT
Transmission Family: 724
Transmission Code: 724.003
Type: 7-Speed Dual-Clutch Automatic
Vehicle: Mercedes-Benz W246 B-Class
Drive Layout: Front-Wheel Drive
Clutch: Dual Wet Clutch
Control: Electronic / Electro-Hydraulic
Identification Marking: 2-16-15
Important Ordering Information
Please verify the transmission number and vehicle VIN before purchasing. Mercedes-Benz 724-series transmissions are available in different variants, and differences in mechatronics, software, gearing and internal components can affect interchangeability.
Professional installation and post-installation transmission adaptation are recommended.
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