shampooing

Just like to share a good experience. The Deli I got was from a smoker :( and I could never get read of the smell... The seats were quite dirty too... Anyway, as its nearly all sorted now ( mechanic wise) and I need it to be nice and clean, I called few valet company, one could do it but I had...

I have just bought a 99 T C200. It is quite clean but, with the upholstery being light grey it shows every tiny mark. Does anyone know where I can get good upholstery shampooing done in London (pref. e. London)? I want to get everything done once, nicely, properly. Don't mind paying...