Mercedes C-Class Engine Guide: OM651 vs M274 vs OM654 — Best to Buy Used (UK)

If you’re shopping for a used Mercedes C-Class, the engine under the bonnet matters more than the badge on the grille. A 2015 C 220d with the OM651 diesel can cost you thousands in timing chain and injector repairs that a 2019 C 220d with the OM654 simply doesn’t suffer from. Meanwhile, the M274 petrol […]