Factory build data by VIN
Mercedes-Benz Code 421
(9G-TRONIC 9-Speed Automatic Transmission)
9G-TRONIC 9-Speed Automatic Transmission is classified under the Drivetrain & Engine category.
Code 421 — Automatic transmission. Number of gears depends on model and year.
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Specification & Capabilities
We do not yet have factory data text for code 421 in the VINs we have decoded. The report for your VIN lists it as the factory data provider returns it.
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.