This robust 1988 Mercedes-Benz 420SEL, a well-maintained classic from its single-family ownership until recently, boasts a powerful 4.2-liter M116 V8 engine coupled with a four-speed automatic transmission. Finished in elegant Pearl Gray Metallic paint and adorned with luxurious Royal Blue leather interior, this U.S.-made sedan showcases iconic 1980s German engineering within its W126 S-Class lineage, now with over 108k miles on its odometer.