Yes, they do have movie ratings.
They have "without rating", 6, 12, 16 and 18.
They are a little bit stricter on guns and violence, but they do allow more sex and nudity in their movies.
German Fried Movie - 1992 is rated/received certificates of: Germany:16 (nf)
My Big Fat Independent Movie - 2005 is rated/received certificates of: Germany:16 USA:R
Kamen Rider Super-1 The Movie - 1981 is rated/received certificates of: Germany:12
Horrid Henry The Movie - 2011 is rated/received certificates of: Germany:6 Ireland:G Singapore:G UK:U USA:PG
Ultimate X The Movie - 2002 is rated/received certificates of: Finland:K-3 Germany:6 Iceland:L UK:PG USA:PG
Turbo A Power Rangers Movie - 1997 is rated/received certificates of: Australia:PG Brazil:Livre Finland:S Germany:6 Germany:12 (DVD rating) Iceland:LH Malaysia:U Mexico:A Portugal:M/12 (video premiere) Spain:7 UK:PG USA:PG
Mystery Science Theater 3000 The Movie - 1996 is rated/received certificates of: Australia:PG Canada:PG Germany:12 Singapore:PG UK:PG USA:PG-13 (No. 34225)
The motto of Movie Park Germany is 'Wow! I'm in the movies!'.
Wizards of Waverly Place The Movie - 2009 TV is rated/received certificates of: Australia:G Denmark:7 Germany:6 Singapore:PG South Korea:All USA:TV-G
National Lampoon's Movie Madness - 1982 is rated/received certificates of: Canada:14A Iceland:12 UK:15 USA:R (certificate #26432) West Germany:16
Scary Movie 2 received good to excellent ratings from most critics.
Made in Germany - 1914 is rated/received certificates of: UK:U