Spain will go into the game on the back of a resounding 7-0 victory over Costa Rica in their opening game while Germany were shocked 2-1 by Japan in the other Group E game.
A win over Germany at the Al Bayt Stadium will secure passage to the knockout rounds for Spain while the Die Mannschaft will be in danger of elimination at the group stage for a second successive World Cup with defeat.
Spain whitewashed Germany 6-0 the last time the two sides met in the UEFA Nations League two years ago but Enrique is wary of the threat that Hansi Flick's men can pose.
Addressing the media at his pre-match press conference, Luis Enrique said: "We tried to manage the [Costa Rica] victory with all normality.
"It was resounding and that gives confidence, but we shouldn't have too much confidence. We face an opponent that will hammer us if we are overconfident.
"It's a great challenge. They've won a World Cup four times. We respect them greatly, they've great players and history is undeniable.
"Germany are a very good team, so much mobility. If we can control that, great. Otherwise, I have to think about every single element."
He added: "But we are convinced we can beat Germany. We don't want a crazy open match because if they play a high block, we may take too many risks.
"There are many things we have to find out, but we need to follow our principles, which are very similar to theirs."