OK, so a little OCD ...




Wiki says: "The basic M278 has a displacement of 4,663 cc (4.7 L; 284.6 cu in) with a bore and stroke of 92.9 mm × 86 mm (3.66 in × 3.39 in)". Certainly makes sense that one would round 4.663 liters to 4.7 ... so where did 4.6 come from? Among other sources, the Mercedes factory part catalog is full of 4.6 references.
Now back to our regularly-scheduled programming ...









