The seller also has a V6 diesel of similar age and interior, but the dark red colour of the petrol is just so unusual for a CLS.
The diesel version is here
https://www.ebay.co.uk/itm/2009-59-M....c100005.m1851
I think I could live with the slight under-powered feel of the 3.5 litre 292 BHP petrol, but know what you mean.
I drove past this garage a number of times when we were on holiday in Devon and thought they had some cracking cars on the forecourt. I am glad I didn't stop when they were open.