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Mercedes-Benz Code 421
(9G-TRONIC Automatic Transmission)
9G-TRONIC Automatic Transmission is classified under the Drivetrain & Engine category.
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Specification & Capabilities
9G-TRONIC Automatic Transmission is classified under the Drivetrain & Engine category.
Code 421 - 9-speed automatic transmission providing extremely smooth and fast gear shifts.
STANDARD CODE IDENTIFIERCode 421
EQUIPMENT CATEGORYDrivetrain & Engine
Used Car Buyer Checklist: Code 421
This transmission enhances fuel efficiency and comfort. Ensure gear changes are smooth without jerking or hesitation, especially when shifting between D and R.
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