Tuchel's side had been rocked by way of Benzema's remarkable treble at Stamford Bridge and the shell-taken aback Blues boss conceded the holders' reign is sort of without a doubt over.
With away goals no longer counting double within the Champions League, Chelsea could pressure more-time with a two-goal victory inside the region-final second leg on April 12 at the Bernabeu.
But Tuchel does now not have any expectation of a dramatic fightback after Chelsea followed their four-1 loss to Brentford within the Premier League on Saturday with any other wretched show.
Asked if Chelsea ought to nevertheless undergo, Tuchel stated: "No. Not in the mean time. Because we have to discover our level returned. I don't know wherein it is since the global ruin.
"We can't call for ourselves to show it around if that is our performance. How many golf equipment won with what we want? Perhaps it's far only practical to answer like this.
"If we maintain gambling like this we can lose at Southampton on Saturday after which we can get hammered at Bernabeu."