Mercedes-Benz uses several dual-clutch transmission families, including 7G-DCT, 8G-DCT and performance-oriented AMG applications. The correct oil circuit, clutch system, control unit and adaptation process depend on the exact vehicle.
Common Mercedes DCT Symptoms
- Delayed or harsh gear engagement
- Transmission warning or emergency operation
- Clutch slip, shudder or overheating
- Hydraulic pressure, actuator or sensor faults
- Loss of selected gears or intermittent no-drive
- Fluid leaks or internal mechanical noise
Diagnosis And Service
Testing can include Xentry-compatible fault information, voltage and network checks, clutch and actuator data, pressure and temperature behaviour, software identification, oil condition and vehicle road testing.