After having a parking brake sieze on me about 25 years ago because I never exercised it, I use the parking brakes on all my cars every time I park. Knock on wood - no more parking brake problems in the last 25 years. Knock on wood.

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Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport