Electrohydraulic manual transmission

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Electrohydraulic manual transmission is a manual transmission system that appears like an automatic transmission to the user. The system automatically changes gear and handles the clutch during gear changes. Many implementations of the system result in jerky gear changes.

Mercedes-Benz have named their system Sequentronic and BMW refer to their system as SSG (Sports Sequential Gearbox) and SMG (Sequential Manual Gearbox; as used in the M3).

The system is also known as a clutchless manual gear system.