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...
2009 ML350 (84K) - Family vehicle
2001 CLK430 Cabriolet (71K) - Wife's car
2005 BMW 645CI (124K) - My daily driver
2012 Mustang V6 (60K) - Daughter's car