A privileged Pennsylvania punk rammed his Mercedes G-Wagen into police — including an officer he struck three times even when the cop was already on the ground, authorities said.

Dalton Lee Janiczek, the 21-year-old son of a prominent Pennsylvania lawyer, is now facing attempted-murder charges over last week’s violence, according to the Montgomery County District Attorney’s Office .

Janiczek is accused of first fleeing officers in Whitpain Township just outside of Philadelphia around noon Friday when they tried to pull him over for a routine traffic infraction. 3

Janiczek steered his high-end SUV over the center median on Skippack Pike and was able to elude cops — for a while, prosecutors said.

The suspect was then spotted in his vehicle at a Doubletree Guest Suites Hotel in Ply

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