This A-Tach Mercedes GLA and B Class phone mount solution consists of two separate parts that are brought together to create a secure mounting solution. The first part is the vehicle mount which is designed specifically for the listed Mercedes GLA and B Class models. The mount comes with four small, predrilled holes in an AMPS hole pattern and can be used with many brands of phone holders.
The second part is a phone holder or device holder. A phone holder is not included when purchasing the mount only. See the "Device Holder Options" tab for some great device holder choices.