... call Engine Model Vehicle Model Dia. No.cyl Axial Waith Motor M160Smart63.531.2+1.5+2.5OM636170,180,319,405 406 Unimog7542+2+2+4OM636170 ... .5Motor M116V8380SE,380SEL,380SEC,380SL88V81.5+2+3.5OM611DE22LA,2.2 lC220CDl ,E220cdi8842.5+2+3M103E30(2)V300E,300SE,300SL,300TE88.561.5+1.75 ... +3+3+5.5+5.5 Mercedes-Benz piston ring for OM616 M111 M161