Hi Pawel,
I've never seen such a stickel/decal but another called "Running-in Speed Limits.
Here you can find 20 different stickers/decals for a Pagoda:
https://oldtimer-ersatzteile24.de/Sticker-set-for-Mercedes-W113-Pagoda-230SL-250SL-280SL.
1. Motor data sticker for Mercedes classic cars
2. Sticker for ATE brake fluid reservoir Mercedes classic car
3. Stickers for windscreen washer tanks in Mercedes classic cars
4. Yellow trunk sticker for jack in a Mercedes classic car
5. Black sticker for air filters in a Mercedes classic car
6. Yellow sticker "Use spark plugs only according to the operating instructions" for Mercedes classic cars
7. Yellow sticker "Oil Level" for Mercedes Oldtimer US version
8. Sticker "Motor oil warning" for Mercedes classic cars - US version
9. Vintage sticker for Bosch ignition coil
10. Sticker for brake device T51 in a Mercedes classic car
11. Stickers for Mercedes W113 Pagoda roof box
12. Sticker "Beru interference suppression candles" for Mercedes classic cars
13. Sticker "minus mass" for Mercedes classic cars
14. "Antifreeze" sticker for Mercedes classic cars
15. "Running-in Speed limits" sticker for Mercedes classic cars
16. Front window stickers for Mercedes classic cars
17. Red chrome foil tire pressure sticker "Atü" for Mercedes classic cars
18. Black chrome foil US tire pressure sticker for Mercedes classic cars
19. Blue chrome foil sticker note tire pressure for Mercedes classic cars
20. Sticker "Süddeutsche Kühlerfabrik" for Mercedes classic car radiators
...WRe