EPC 560 SEL -> 126.039 -> 54 electrical equip and instruments -> 045 fuse box and relay...
from right(driver) to left(passenger)
1)part# A2015400845 overload protector relay (first picture)
2)part# A0035450105 fuel pump relay/kickdown cut out
3)part# A0025451805 A/C relay
(you have this one)
4) that's the ASD control relay
This is good news
This link should be a sticky
http://www.programainc.com/doc/M-Benz-prn.html