The invention relates to a method to process data packets of a vehicle message received by a privacy gateway (100) from a vehicle (10) via a mobile communications network (20). The method comprises the following steps: The vehicle message transmitted by the vehicle (10) is received. A source IP address in the data packets of the vehicle message is identified. The source IP address in the data packets of the vehicle message is replaced by an IP address of a location collecting entity (50) of the mobile communications network (20). Said mobile communications network collects location information of a plurality of vehicles (10) resulting in an adapted vehicle message with adapted data packets containing the IP address of the location collecting entity as source IP address. Then, the adapted vehicle message is transmitted to a service providing entity (40) which is configured to provide location dependent services for the plurality of vehicles.