Depending on the model year, the model and its options, Mercedes-Benz cars run different head units (NTG versions) – and that decides which navigation, updates and extras they can have. Below are photos of each system, so you can recognise yours.
NTG 6 (MBUX)
NTG 5
- NTG 5.x
- Audio 20 (NTG 5)
NTG 4
- NTG 4.5 / 4.7
- NTG 4.0
- Audio 20 (NTG 4)
NTG 3
- NTG 3.5
- NTG 3
NTG 2
- NTG 2 / 2.5
NTG 1
Image source: Euro Premium Parts