After two generations of the C-class being topped with V8 engines, and V6s playing their role in the middle, it’s fair to say there were a few raised eyebrows when Mercedes confirmed the W206 would be four-cylinder only. While the demise of AMG’s V8 was no surprise due to stricter emissions regulations, it was the packaging that killed off the sixes as Merc’s latest generation swapped out a V6 layout for an in-line six.
In order to fit the new powertrain, Mercedes confirmed that it would have required an extra 50mm of length in the engine bay, space the engineers weren’t willing to compromise on for the sake of what would inherently have been a niche powertrain option.