Long coding to turn off Traffic Sign Alerts?

Just reverse the coding you used to turn it on.

Activate the traffic sign recognition function
* Applicable up to MY16 * 

With this mod, we can make our car show us the road signs in the FIS. It is necessary to have the camera installed.
1 - Module 5F - Information electronics 1 - Code (20103)
2 - Adaptation
3 - Car Function Adaptations Gen 2 (In models that do not have this section, look directly at points 4 and 5)
4 - Display road menu sign identification - (Change value to On)
5 - Display road sign identification over threshold menu - (Change value to On)
6 - Car Function List Bap Gen 2 (In models that do not have this section, search directly for points 7 and 8)
7 --- - Traffic sign recognition 0x21 - (Change value to On)
8 - Traffic sign recognition 0x21 msg bus - (Change value to Comfort data bus) Extended

1 - Module A5 - Front sensors of the driver assistance system - Code (20103)
2 - Extended coding (Bytes mode) text Coding vze activated
3 - Byte 1 - (Activate Bit 0) or Text Coding VZE mode - (Change value to Activated)
4 - Adaptation
5 - Show end of limitation signals speed - (Change value to On)
6 - Show additional valid signs - (Change value to 100111)
7 - Show overtaking prohibitions - (Change value to On)
8 - Identification of traffic signs mode merge - (Change value to Merge traffic signs)
9 - Function Module Road Sign Recognition - (Change value to On)
10 - Extended coding (Text mode)
11 - Coding HCA - (Change value to Coded)

1 - Module 17 - Instrument panel - Code (25327)
2 - Extended coding (Bytes mode)
3 - Byte 5 - (Activate Bit 2) or in Text mode: Traffic sign detection - (Change value to Yes)
Restart the infotainment by keeping the power button pressed for 10 seconds.
* Applicable from MY17 *
1 - Module 5F - Information electronics 1 - Code (20103)
2 - Adaptation
3 - Car Function Adaptations Gen 2
4 - Display road sign identification menu - (Change value to On)
5 - Display road menu sign identification over threshold - (Change value to On)
6 - Car Function List Bap Gen 2
7 - Traffic sign recognition 0x21 - (Change value to On)
8 - Traffic sign recognition 0x21 msg bus - (Change value to Terminal 15)

1 - Module A5 - Driver assistance system front sensors - Code (20103)
2 - Extended coding (Bytes mode)
3 - Byte 16 - (Activate Bit 4) (Traffic Sign recognition VZE)

1 - Module 17 - Dashboard - Code (25327)
2 - Extended coding (Bytes mode)
3 - Byte 5 - (Activate Bit 2) or in Text mode: Traffic sign detection - (Change value to Yes)
Restart the Infotainment by keeping the power button pressed for 10 seconds.