Well, I replaced the spring and shock yesterday. The belt is still making a whistling/squeaking noise!! The belt itself looks practically new - about 60K on her.

What do you guys think?

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1996 (W210) E300D 86K - Traded in for a Lexus
1992 (W124) 300D 2.5 Turbo 202K - Sold
1983 (W123) 300D, 146K - Sold
1970 280S, 263K - Sold - Beginning of addiction