Welcome to all things CSL!
Who carried out the Main Inspection Services is the important one, intermediate services doesn't matter that much, more importantly is the servicing being carried out in accordance with the schedule 15,000mls or biannual?
Tyres are just bits of rubber, consumables that get replaced dependent on available budget. Most of use Michelin Pilot Sports, for everyday use and for summer/fair weather and any track use Sports Cups.
A steering wheel re-trim is not a big issue, there are several companies who can do this, one in Oxford:
http://royalsteeringwheels.com/ who have done several for members in the past.
