95 e320 with 100k miles. Should I change the timing chain just for ****s and giggles? I’m doing valve seals since it smokes .. leaks oil from from to back.

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1993 e300
1995 e320
1994 e320
2006 s500 4matic
2004 Jeep wj overland
2001 Ducati 748
2004 Honda shadow aero