Update Map Data of NTG7 Head Unit – 2021 Mercedes-Benz S-Class
WORK DESCRIPTION FOR FIELD MEASURE Code: 21P8298702 Version: 2.0 Update map data of NTG7 head unit Model 223 with code 534 Work procedure 1. Go to the start screen and open the settings in the head unit. 2. Tap on “Assistance” 8 to 10 times. 3. Go to the … Read more