Are any of these servers what you are looking for?

Servers with "German" in the name:
GermanFunServer -> new IP: 62.75.149.21:6666
www.Germany-Ghosts.de *Ranked*
Gun Game Reversed|www.german-slaughterhouse.de|Respawn|Turbo
ZombieInfection|www.german-slaughterhouse.de|FastDL|Reload
www.german-slaughterhouse.de | Left 4 Dead2
RPG|www.german-slaughterhouse.de|Fast Level|HLStatsX|T-66|Fa
-=|CSI-G|=- CSI-Germany WAR @teamplay.de
{=GK=} Germanische Krieger e.V. - 24/7 Dust2
{=GK=} Germanische Krieger e.V. - Surf UP-TO-DATE
=[FFE]=FriedeFreudeEierkuchen [30+|Public|german|FastDL]

Servers on :
Battle Zone| ETF