 In 1968 the ‘New Generation’ or /8 models were introduced, along with a change to the venerable mid-size six.The M180 engine of the 230/230S was continued in the W114 230 and 230.6, while the M180 of the 250S underwent a few changes and was renamed the M114.This was also available with Bosch D-Jetronic fuel injection, as fitted to the 250CE.