For sale, a set of 4 mudflaps (used) for the later r129 models.
These are no longer available and took me many months to find, but now I don't plan to use them. Fittings included (used) Cost £130 delivered.
I have a one of the metal dog guards for sale for a '98-01 W163 ML.
This is the heavy duty metal one, these are over £400 from Mercedes.
This one...
DOG GUARD - M Class 1998 - 2005 Accessories - Mercedes-Benz Parts, Inchcape
This is in very good condition, never actually been used...