The only remark touching on practicality is a half-joking question about how steep a grade the car can climb before the frame scrapes, prompted by its long, low tail. The commenter explicitly flags it as not really a problem, and no owner responds with actual clearance or drivability detail.
Low-slung proportions and ground clearance (lighthearted)
Mercedes-Benz 500K / 540K / 770K · driving