Just had a bit of a search on the forum, and it seems that if Martin does have the ex-Rouse Britcar 190, he's returned it to original DTM colours
http://tentenths.com/forum/showpost....&postcount=852
On the subject of the 190 in rallying, Demuth used a Merc in 1987/8 and again in the early 90's on European Championship events
http://www.rallybase.nl/index.php?ty...driverid=16373
Won't swear to it, but I think this might be the car in question:
http://photobucket.com/image/mercede...G_0029.jpg?o=8