The Mercedes-Benz S-Class W140 S320/300SE/300SEL was a luxury sedan produced from 1991 to 1998. It marked a significant evolution in design and technology for the marque.
Design and Features
- The W140 platform introduced an all-new, more aerodynamic body style with a more sloping front end and a distinctive "shark-nose" grille.
- Interior space was increased by approximately 10% over its predecessor, providing ample room for passengers and cargo.
- The S-Class featured a longer wheelbase than its predecessor, resulting in improved ride comfort and handling stability.
- Optional features included power adjustable seats with memory, dual-zone climate control, a premium sound system, and an onboard computer.
Engines
- A 3.0-liter M103 inline-six engine produced 215 horsepower (160 kW) for the S320 model.
- The 300SE and 300SEL variants utilized a 6.0-liter M119 V8 engine producing 228 horsepower (170 kW).
- Both engines featured Bosch Motronic fuel injection, with the V8 benefiting from an exhaust-driven turbocharger for additional power output.
Transmission and Performance
- A four-speed automatic transmission was standard on all models, featuring a lock-up torque converter to enhance efficiency.
- The S320 model had an electronically controlled suspension (ECS) system as standard equipment, which continuously adjusted damping rates based on road conditions.
- The 300SE and 300SEL variants featured the ECS system as well, complemented by a more powerful engine.
Safety Features
- As part of Mercedes-Benz's ongoing commitment to safety, the W140 S-Class was equipped with various innovations such as:
- Anti-lock braking (ABS) as standard on all models.
- Electronic stability program (ESP), which would become available later in production.
- A system designed to automatically lower windows when a collision is detected.
Dimensions and Specifications
- The Mercedes-Benz W140 S-Class had an overall length of 5,070 mm (200 inches).
- Its wheelbase was stretched by approximately 80 mm (3.2 inches) compared to its predecessor.
- Curb weights for the models included:
- S320: 1,855 kg (4,081 pounds)
- 300SE and 300SEL: 2,045 kg (4,514 pounds)
Production and Sales
- Production of the Mercedes-Benz W140 S-Class began in late 1990, with initial deliveries starting in March 1991.
- The model was produced until mid-1998.
- Total production numbers for the entire range exceeded 440,000 units.
The Mercedes-Benz S-Class W140 S320/300SE/300SEL played a significant role in shaping modern luxury sedans. Its blend of innovative technology, comfort, and performance influenced successive generations of Mercedes-Benz vehicles, solidifying its position as one of the most iconic models within the brand's lineup.
