Benzmanc
MB Enthusiast
Merceds-Benz of London (plus satellite dealerships)
Merceds-Benz of Birmingham (plus satellite dealerships)
Merceds-Benz of Manchester (plus satellite dealerships)
...are all owned by Mercedes-Benz Retail Group UK, who are the UK distributor.
All others are franchised. Some are part of huge multi-franchise, such as Pendragon and Inchape, and others are much smaller single-franchise operations (but multi-dealership).
good to know, MB manchester are only down the road from me :bannana: