The smaller models in the Mercedes AMG line-up have tended in the past to be expensive beside their rivals and more depreciative in the long run, especially compared with BMW’s M cars. This has certainly been true with the C 63's predecessors.

But the C 63 certainly kicks off in the right way by being so competitively priced in the first place. Only time will tell how much it depreciates in the future.

The real killer, apart from company car tax and insurance, is fuel consumption. Mercedes quotes a combined figure of 23.5mpg, with or without the Performance Package, but on average it returned 18.9mpg with us, and more often it was around the 11-13mpg mark. That means a real-world range of little more than 180 miles on the 14.5-gallon tank. 

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