Codes › MERCEDES-BENZ › SA › 421
MERCEDES-BENZ • SA • 421 Category: DrivetrainAutomatic transmission
Automatic gearbox.
SA code 421 confirms a factory-installed automatic transmission.
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Related SA codes
- SA A46 — Differential lock rear axle
- SA A45 — Differential lock front axle
- SA M5A — Turbo retarder clutch
- SA A11 — Rear axle planetary
- SA 423 — 9G-TRONIC automatic transmission
- SA 426 — 7G-TRONIC automatic transmission
Frequently Asked Questions
What does SA code 421 mean?
SA code 421 is a factory equipment code used by MERCEDES-BENZ to describe a specific vehicle configuration or component.
Where can I find SA code 421 on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does SA code 421 affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify SA code 421 for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.