The 420SE was a variant of the W126 Mercedes-Benz S-Class Sedan. Introduced for the 1986 model year, the 420 SE was built on the standard length wheelbase. The 'E' designation in the name refers to the 420 SE's fuel-injection as Einspritzmotor means fuel-injected engine in German. This family of cars was powered by Mercedes' M116.965 4.2L V8 engine, and used both manual and automatic transmission options to send power to the rear wheels. Production of the Mercedes-Benz 420SE lasted until 1991, when Mercedes introduced the next generation W140 S-Class