Don't mess with Germans

Across
3. High-pitched sound of loud automobile coming around too regularly (8)
7. Old TV show prosecutor’s entertaining everyone (6)
9. Town in Arcadia orders one to retire (6)
10. Shake alien’s spaceships (7)
11. Plan of wrestler and actor, John: Visiting small city in the tropics (8)
12. Align wheels to one in Munich (3,2)
14. Cross Mr. McKellen showing old capital (2’2)
15. I overlooked mix CD, produced 1410 (4)
19. Plays lead roles to get fixtures on Hollywood Walk of Fame (5)
20. A number of criminals controlling Frankfurt’s #1 theme park (3,5)
22. Diana’s only accepted Victor’s break up (8)
24. Dictator’s hunted innocent (6)
25. Berlin criminal ring kidnapped six (6)
26. Rabbits caught by boomerang or a spear (7)

Down
1. Space where things may be stored and gemstones flourish, according to Spooner (3-4)
2. Otherwise in Gelsenkirchen (4)
4. Part of France’s tourists finally entered Schönbrunn, perhaps needing no introduction (6)
5. Increasingly threadlike small layer covering piece of jewellery (9)
6. Set up, turn about, making intitial attempt (4,3)
7. Fish can can, maybe, can bottom of can (4)
8. Article on American metal producer, wrestler and actor, Steve (6)
13. Oops! Ladle spilt sauce (3,2,4)
15. Ex dancing with manic latino? (7)
16. Mountaineer’s stirrup from German city south of a border of France (6)
17. Germanic kingdom of different sexes (5)
18. Christie is good at being in band (6)
21. Horse-fly’s appendage is under cat-person’s head (4)
23. Prison I initially recognised south of Stuttgart on vacation (4)