Zinedine Zidane rested some first-team regulars, but a side containing Lucas Vazquez, Marcelo, Isco and Casemiro should still have been far too strong for their rivals.
Benzema and Luka Modric scored inside the first 13 minutes in the Basque Country to put Zinedine Zidane's men on their way to a fourth straight league win
Liverpool were without a host of key players for the visit of Ajax to Anfield in Group D, with 22-year-old Irishman Caoimhin Kelleher starting in goal in the absence of Alisson
I have no explanation for tonight. We've had good and bad moments in games like today's. Especially at the beginning, when they scored a goal after three minutes. We had time to get back into the game and then things
"A moment of reflection to remember the great Diego Maradona," Liverpool tweeted. "As a great is remembered," wrote Manchester City, observing a minute's silence along with Olympiacos players ahead of the clash.
Scoring a hat-trick for the home side Valencia, Carlos Soler became the first player to score a hat-trick of penalties in a single La Liga game in the 21st century.
"We had chances in the first half. We needed to the first goal to open up the game and it came from a deep central-position from Eden, who's a player that has the ability to turn rapidly," the club's official website quoted Zidane as saying.
Liverpool and Manchester City also made it six points out of a possible six in Europe this season, after Bayern needed a late Joshua Kimmich strike to claim a 2-1 win at Lokomotiv Moscow in Group A.
Barcelona had its first defeat under Ronald Koeman when it lost 1-0 at Getafe on Saturday, right after Madrid was beaten 1-0 at home by recently promoted Cádiz
A pressure defense anchored by Fernando and Jules Kounde shut down Lionel Messi for long periods and forced Barcelona into making an unusual number of bad passes
Vinicius, who had proved decisive in Madrid's win over Real Valladolid on Wednesday, looked set to see off Levante as well, before Benzema notched his first goal of the season late on
