I personally wouldn't worry, 102s are tough as old boots, but you may wish to change the chain for peace of mind at that mileage, but they very very rarely go in them.
How do you get on with the car otherwise? How's the sportline suspension compared to a normal 190Es? Any pics?
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black