E550A
#3
In MB nomenclature used after the model and engine designation translated to English, A = cabriolet, C= Coupe, W=Sedan standard wheelbase (although it is also used for some SUVs), S=Wagon, R=Roadster, V=sedan long wheelbase (although it is also used for some SUVs)
Eg
E350W
E350S
E350C
E350A
S550V
SL550R
Eg
E350W
E350S
E350C
E350A
S550V
SL550R