The glow relay is located on the fender under the hood and it looks like a black box with a cover over the top. The fuse is inside of the box. The glow plugs should be checked dynamicaly with an amperage reading.
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
[This message has been edited by Benzmac (edited 06-27-1999).]