Check fuses first, and possibly replace them all. It's cheap insurance, as visually, non functional ones may seem okay.

By the way, unless you have a rare, one-of-a-kind Mercedes, it's a 190E...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car