Yes, I'd second that. I spoke to one them on the phone when I had a problem with my 190E 2.5-16, really very helpful considering I couldn't get the car to them. And the best part was their diagnostics over the phone was correct, problem solved.
Jim and the guys at hillington mot and service centre nice guys i have used them for a while now always do a good job and have sorted a few we niggles i had on my w202