In total, this yielded a 60-degree V12, with 90.2 mm bore and 77.3 mm stroke.

This was bored out to 76.6 mm, while retaining the short 65.0 mm stroke.

It was still undersquare at 78 mm bore and 85.5 mm stroke.

Engine displacement was up to 2.3 L (2262 cc/138 in3) with a longer 100 mm stroke.

In 1967 appeared the 1816 cc version using an 85 mm stroke with a 80 mm bore.

The original engine was designated as 483DL which stood for 4-cylinder and 83 mm stroke.

Displacement was 993 cc with a 72.0 mm bore and a 61.0 mm stroke.

M10B18 had a 89 mm bore and 71 mm stroke.

It retains the 84 mm stroke of the E320 but is bored to 97 mm.

This version has an 86 mm bore and 80 mm stroke.