To see our latest film before it's on YouTube: http://www.carfection.com

Subscribe for more Carfection videos: http://bit.ly/1V1yFYX

The Mercedes-Benz W123 might be the best classic for you to invest in. We find out why.

Join the Carfection community...

Like on Facebook: http://on.fb.me/1RvTdL4

Follow on Twitter: http://bit.ly/1JUAgiI