The 24-year-old said: “Jürgen is a great manager. We all can see how much he has changed here since he arrived – and how much he will change in future. He is a winner. It’s not only me, but every other player feels honoured to play at this great club for this great manager. This feeling has a very positive influence on us as players.”
Coutinho has become a crowd favourite since arriving from Inter Milan for £8.5m in January 2013 and that is another reason why he is happy on Merseyside.
He added: “Ever since my arrival here, I was welcomed with open arms by the supporters - and everyone at this football club. This is an important factor that carries weight when you decide to remain here for a longer period – and this did have a lot of weight when I thought about the renewal of my contract.
“I can only thank every supporter for their faith in me. I really hope to repay them. I will do my very best on the pitch to create assists for my team-mates and score goals for us to try and win trophies and titles.
“Since me and my family arrived here we have been welcomed with open arms by everyone. We feel at home in this city, we feel a part of this city. It is a very important day for me, my wife and my daughter. I am happy and everyone is happy at home.”