W123 250. Legend Oldtimer W123, the ultimate memory for all classic car fans. Every day you can start your 6-cylinder vehicle. Good Ride! Who is the best driver? 10 Oldtimer W123 Memories. Hear the sound of the W123 6-cylinder Model 250th. 38 parts of the W123 you'll get to know in detail. The elderly will remember. The boys will be amazed by sound and real photos.