Mane opened the scoring early on with a classy left-footed finish before playing a key role in Salah's third goal of pre-season, which put the Reds 2-0 up at the break.
Daniel Sturridge then added a late third as Jürgen Klopp's side advanced to Wednesday's Audi Cup final in style.
LFCTV GO subscribers can take a look back at the duo's excellent performances by clicking play on the clip above. Need to sign up? Click here for more information.
Remember, Liverpool's Audi Cup final meeting with Atletico Madrid is live on LFCTV and LFCTV GO>>>