There is plenty of variation, the booking class is never a definitive clue, you have to look at the fare used. Taking your example on Munich New York, Lufthansa has full flex (FF) fares, changeable and refundable (RC) fares against 410€, and and non refundable but changable(NC)fares:
Code:
25MAY18**25MAY18/LH MUCNYC/NSP;AT/TPM 4025/MPM 4830
*** FOR STAR ALLIANCE RTW* SEE FQD XYZXYZ EG:FRAFRA ***
LN FARE BASIS OW EUR RT B PEN DATES/DAYS AP MIN MAX R
01+FCOUPON 9232 18464 F - - - + - - 12M R
02+F77OW 7080 F - - - - - - M
03+F77RT 9440 F - - - - - 12M M
04+FFFDEW 8480 F - - - + - - 12M R
05+FRCDE07W 6120 F + - - + + 2+ 12M R
06+ARCDE21W 4220 A + - - +21 2+ 12M R
07+ANCDE28W 3882 A NRF - - +28 6+ 1M R
Similar picture for business:
Code:
25MAY18**25MAY18/LH MUCNYC/NSP;AT/TPM 4025/MPM 4830
*** FOR STAR ALLIANCE RTW* SEE FQD XYZXYZ EG:FRAFRA ***
LN FARE BASIS OW EUR RT B PEN DATES/DAYS AP MIN MAX R
01+JCOUPON 6806 13612 J - - - + - - 12M R
02+J77OW 4823 J - - - - - - M
03+J77RT 6430 J - - - - - 12M M
04+JFFDE0W 5620 J - - - + - - 12M R
05+CFFDE0W 4920 C - - - + + - 12M R
06+DWRCDE7W 4320 D + - + 7 2+ 12M R
07+DXRCDE7W 4120 D + - + 7 2+ 12M R
08+DWRCDE4W 4020 D + - +14 2+ 12M R
09+DXRCDE4W 3820 D + - +14 2+ 12M R
10+ZWRCDE1W 3620 Z + - +21 2+ 12M R
11+ZXRCDE1W 3420 Z + - +21 2+ 12M R
12+ZWNC28W 3370 Z NRF - +28 6+ 12M R
13+ZXNC28W 3170 Z NRF - +28 6+ 12M R
14+PWNC60W 3120 P NRF - +60 6+ 12M R
15+PXNC60W 2920 P NRF - +60 6+ 12M R