What is the Mercedes-Benz 400?
The Mercedes-Benz 400 badge appeared on two different saloons in the United States: the W124 400E and the W140 400 SE and 400 SEL. The W124 sat in the executive-car class, while the W140 was part of the S-Class, Mercedes-Benz’s flagship saloon range. Both paired a 4.2-litre petrol V8 with a four-door body.
Generations and engines
The W124 and W140 400 models were listed in the United States from 1992 to 1993. The W124 400E brought a V8 option to the executive-car range. The W140 carried the 400 badge into a larger S-Class, with double-glazed side windows among its features for a quieter cabin.
How economical is the Mercedes-Benz 400?
The best combined EPA rating for the US-market 400 was 18 MPG, equivalent to 13.1 L/100 km. Test procedures differ between markets: Europe uses WLTP or, on older figures, NEDC; the United States uses the EPA test, and Canada uses a five-cycle test.
Where was it sold?
The US-market 400 was listed from 1992 to 1993, with four petrol versions and a 4.2-litre engine.
Questions and answers
What engine did the Mercedes-Benz 400 have?
US-market 400 versions had 4.2-litre petrol engines.
Was the 400 a W124 or a W140?
Both. The 400 badge appeared on W124 executive saloons and W140 S-Class saloons.
What was the EPA fuel economy rating?
The best combined EPA rating was 18 MPG, equivalent to 13.1 L/100 km.