This car is just starting to experience degrading wiring insulation. I hope that they work if they need to and don't go off when they aren't .

I haven't heard of a recall on the 20th century cars yet. Have you?

Takata Mercedes recall:
C-class
2005 C230 Kompressor, 2006–2007 C230, 2008–2011 C300, 2008–2011 C300 4Matic, 2005 C320, 2006–2011 C350, 2009–2011 C63 AMG
E-class
2010–2011 E350, 2010–2011 E350 4Matic, 2011 E350 Cabriolet, 2010–2011 E550, 2010–2011 E550 4Matic, 2011 E550 Cabriolet, 2010–2011 E63 AMG
GL-class
2009–2010 GL320 BlueTec 4Matic, 2011–2012 GL350 BlueTec 4Matic, 2009–2012 GL450 4Matic, 2009–2012 GL550 4Matic
GLK-class
2010–2012 GLK350, 2010–2012 GLK350 4Matic
M-class
2009–2010 ML320 BlueTec 4Matic, 2009–2011 ML350, 2009–2011 ML350 4Matic, 2010–2011 ML450 4Matic Hybrid, 2009–2011 ML550 4Matic, 2009–2011 ML63 AMG
SLK-class
2007–2008 SLK280, 2007–2008 SLK350, 2007–2008 SLK55 AMG
SLS AMG
2011–2014 SLS AMG, 2012 SLS AMG Cabriolet, 2013–2014 SLS AMG GT
R-class
2009–2010 R320 CDI 4Matic, 2009–2012 R350 4Matic, 2011–2012 R350 BlueTec 4Matic The updated total for Mercedes-Benz cars (not Daimler vans) is now 711,266, up from 705,000. Daimler vans total is 136,361, up from 136,000. Update 5/20: Mercedes-Benz has expanded its Takata recall. The company will also replace passenger-side inflators on 196,975 cars. The affected models are:
C-class
2012–2014 C-class
E-class
2012–2017 E-class coupe, 2012–2017 E-class cabriolet
GLK-class
2013–2015 GLK-class
SLS AMG
2015 SLS AMG, 2015 SLS AMG cabriolet