if it's the same as a W124, it's a straight piece of thick wire (coat hanger) that has a 90 degree bend at the end with about a 1/3 of an inch of wire after the bent side.

there's a DIY for the W124, might be the same for the W126.

__________________
-justin

1987 300TD, 1987 300TD
2008 R32, 2000 Passat Wagon