This problem has been getting worse over the last 2 weeks:
Overheats at low-medium engine speeds. Running down a long hill in neutral at 40ish, temp rises towards 120°C. Increase revs to 4000, temp comes down in less than 30 secs and may well drop to less than 80°C for a while.
ACMS Mercedes Ltd is an independent Mercedes-Benz service specialist based in Walsall. The company provides high levels of customer service and quality workmanship, at competitive prices. Call Mark on 01922 634666 or 07530 456000