Joachim Loew's men secured a victory in the last test game ahead of the FIFA World Cup as a goal from Werner and an own-goal from Omar Hawsawi were enough secure a 2-1 win over Saudi Arabia.
Germany goalkeeper Marc-Andre ter Stegen, left, makes a save in front of Saudi Arabia's Taisir Al-Jassim during a friendly soccer match between Germany and Saudi Arabia at BayArena in Leverkusen, Germany, Friday, June 8, 2018.
The 2018 FIFA World Cup will be held between June 14 and July 15 at 12 stadiums across 11 Russian cities. Saudi Arabia take on hosts Russian Federation in the tournament's opening match on June 14 and also play Egypt and Uruguay in Group A.
"For all the irritation we have now, we are one team, also in Germany with our fans", Bierhoff told reporters.
Striker Almuwallad was unable to turn home from close range as Saudi Arabia's counter-attacking threat became increasingly prevalent. "We'll be quicker and more dynamic with more power next week".
It was their first win in six matches but the Germans, who leave for Russian Federation in four days, rarely put their foot on the gas, seemingly fearful of any last-minute injuries, while the Saudis confirmed their good form heading into the World Cup.
Reus was alert to Joshua Kimmich's raking eighth-minute pass and cushioned a volley back across goal to give Werner a simple finish.
Fahad Al-Muwallad's stunning strike in their final group game against Japan secured a 1-0 win and ensured the Kingdom would be returning to the World Cup after a 12-year absence.
German fans were reportedly angry over a meeting Gundogan attended in London in May with Turkish leader Erdogan, whom he had referred to as "my president." .
"The fact that a national player is booed like that helps nobody", Low said (via the BBC).
"We will improve and once the tournament starts we will be ready".
Saudi, coached by ex-Chile boss Juan Antonio Pizzi, also play Uruguay and Egypt in Group A.
Continuing its quest, the Saudi team cut half the way to the equalizer in the second half when it earned a penalty kick to score the goal.
Iran scored a late victor to defeat Lithuania 1-0, while Poland blew a 2-0 lead to draw 2-2 with Chile, who did not qualify for Russian Federation.
"We gave away too many chances against a relatively weak opponent", Toni Kroos said.
World champions Germany failed to hit top gear as they edged to a 2-1 victory over Saudi Arabia in a lacklustre World Cup dress rehearsal on Friday, less than a week before the tournament starts.
Pleasingly from a German perspective, captain Manuel Neuer kept a clean sheet in his 45-minute spell in goal.