Hi! I didn't fix no mercy, but someone created the mod and someone else created a fix, so i put them together. The game may crash while loading, so you may want to try alot of times till it works. Your friends also need the mod to play online.
Credits go to:
https://modworkshop.net/member.php?action=profile&uid=16567 (for creating the fix)
https://modworkshop.net/member.php?action=profile&uid=335 (for creating the mod)
Other links recommended than overcastspy (creator of mod):
Old trailer:

Preview Videos By Youtubers:

https://youtu.be/OVQxj9ac1io
https://youtu.be/bTJNvel303s
https://youtu.be/tUKGGMfC_KI
https://youtu.be/MpSoUzzayhY
https://youtu.be/jU4gATTqaDs
Collaborators:

ViciousWalrus - For the PDTH No Mercy heist port
I am not a spy... - For the fixes of PDTH enemies
Luffy - For the BeardLib Music Module
Keithy - For the creation of Code Silver 2017
★Cody D. Buni★ - For the Code Silver 2017
Lycan C.H.K.N. - For making Code Silver 2017 a mod then making Cody think about making it a standalone music mod
Me (OvercastSpy) - For Making DW and 1D be available on No Mercy and for making the Trailer
SlideDrum - For coming up with the code to fix the medics crashing the game when killed

How to install: (beardlib, and blt are already in the mod, make sure you also drag in the assets folder.)

Trailer:

Mod in action:

Plan (A) Half stealth fixed

Medic crashing is fixed