And here the riddle :-) Enjoy 
Calculations
Final: N 49° 28.ABC E 6° 4.DEF
A= first + second - 1
B= (first + 1) - (second + third)
C= first divide 1/3 - (third - 1 )
D= third + 1
E= first + fourth
F= fourth - first
To open the cache you should use a large screwdriver!
Your can park your car at the "Home and Campsite" of the 'Greng Scouten a Guiden Diddeleng' one of the largest scouting group in Luxembourg!
Accuracy of the coordinates +/- 10 m
