markenelson1959
Member
A post i previously put up, s55 amg a couple of months ago had new rad and air con rads fitted, only use the car once a week as in my truck most of week anyway today when got home coolant visit workshop comes on, used the car five or six times since the last time it came on , put around pint of water in expansion tank, no external leaks or air locks, heater does go a little cool at times. No loss of power either.