Audi A4 B9 Engineering Menu __top__ Jun 2026

The B9 was the first A4 to feature the full 12.3-inch digital cluster. It has its own hidden menu.

Accessing this menu on the B9 is more complex than on previous generations (B8/B8.5). Audi significantly locked down the system after 2016. You cannot simply hold Car + Menu anymore. audi a4 b9 engineering menu

Disclaimer: This article is for educational purposes. Modifying your vehicle's software may violate local laws and manufacturer warranties. The author assumes no liability for damage to your Audi A4 B9 resulting from the use of the Engineering Menu. The B9 was the first A4 to feature the full 12

Here is a breakdown of the most useful and safe sections of the engineering menu for the B9: Audi significantly locked down the system after 2016

While the menu is primarily for diagnostics, it is used as a gateway to enable several popular modifications:

If the button combinations do not work, you must first enable "Developer Mode" using a diagnostic tool like VCDS Steps: Select Module (Information Electr.) -> Adaptation -> Set Developer Mode Top "Hidden" Features to Unlock

On systems where the menu is already active, follow these steps: Audi A4 B9 (8W) MMI MHS2 hidden green menu (GEM)