I would try Blackpool Automotive opposite MB Blackpool. One man band but charges £50 ish an hour plus the dreaded and often charges by the half hour. Looks after a number of very cherished cars and only does MB's. Won't fit Chinese or sub par parts though.
My indie, SDC in,
St Helens is very good, the problem is, he's booked up for weeks, as he is a one man band, so to speak, surely there must be one closer to Fleetwood?