The Mercedes-Benz W140 series, produced from 1991 to 1998, featured flagship vehicles in both sedan/saloon and coupe body styles with two wheelbase options, SE and SEL. Initially unveiled at the Geneva International Motor Show in March 1991, the W140 S-Class went on sale starting in April of the same year, followed by a North American launch on August 6, 1991.

In June 1993, all models in the W140 series underwent a renaming as part of a corporate-wide nomenclature change for the 1994 model year. This change standardized the naming convention to simply “S-Class” for all models, irrespective of wheelbase length, body style, or fuel type. Notably, diesel models were identified by a TURBODIESEL label on the trunk/boot lid.

Further developments in 1996 saw the S-Class coupe variant being rebranded as the CL-Class, creating a distinct model range of its own within the Mercedes-Benz lineup.

Key Points:
1. Mercedes-Benz W140 series: Flagship vehicles manufactured between 1991 and 1998.
2. Available in sedan/saloon and coupe body styles.
3. Two wheelbase options: SE and SEL.
4. Unveiled at Geneva International Motor Show in March 1991, with sales commencing in April.
5. Corporate-wide nomenclature changes in 1993 led to all models being labeled as “S-Class”.
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