AND NOT FOR 451.
Fits as direct replacement arm, utilising extra wiring loom taped up already in your car waiting to go.
So for the 2003> car it needs a TAN installation at smart centre costs varously from £20 (negotiate yourself, but fitting this part yourself saves on the labour cost of smart/mercedes doing it!
Order correct version - this one is for fortwo cabrio - or roadster - with no rear wiper.
ALWAYS STOCKED.
For earlier cars than 2003, look at separate item in RS-Parts section.