Other than the many Range Rovers Glenfrome converted there was also room for some conversions based on Mercedes, Jaguar and Rolls-Royce. These conversions were mostly luxury and stretch conversions.

On this page some photos of the Glenfrome Mercedes based conversions.

This is the Glenfrome Mercedes 500SEL 36" stretch limousine. It has gold trim, white ARC wheels and if you look carefully the interior is red. The trunk badge says "1000". 

One might think this is the same 36" stretch 500SEL as the above one, but a more carefull study tells us it isn't. The obvious differences are the modified bumpers, trunk spoiler and white leather interior. However, you might want to look at the stretch conversion itself too: the window behind the passenger door on this car is smaller than the one on the car above. This is confirmed by comparing the space between the rear door and the rear wheel arch. Why? Maybe (only speculation) this car was converted by a (different) subcontractor, which had it's own special method of stretching the 500SEL.