Mercedes-Benz · S-Class · S-Class W221 (2005-2009)

Mercedes-Benz S-Class S 320 CDI

SedanDieselAutomaticRWDYear 2005G
235
Horsepower · 173 kW
7.5s
0–100 km/h
250
km/h top speed
8.3
l/100 km

The Mercedes-Benz S-Class S 320 CDI is a sedan powered by a diesel engine delivering 235 hp (173 kW). It accelerates from 0 to 100 km/h in 7.5 s and reaches a top speed of 250 km/h. Fuel efficiency stands at 8.3 l/100 km combined, CO₂ emissions of 220 g/km. Drive is routed to the rear-wheel-drive axle via an automatic. This variant was introduced in 2005 as part of the Mercedes-Benz S-Class W221 (2005-2009) generation, and sits alongside 3 other variants in this generation. Full specifications — including engine displacement, transmission type, dimensions, weight, and historical list price — are available on the specifications page.

Updated Jun 2026 · Data curated by Cars-Data.com
Quick answers
What is the engine power of the Mercedes-Benz S-Class S 320 CDI?

The Mercedes-Benz S-Class S 320 CDI produces 235 hp (173 kW).

How fast does the Mercedes-Benz S-Class S 320 CDI accelerate from 0 to 100 km/h?

The Mercedes-Benz S-Class S 320 CDI accelerates from 0 to 100 km/h in 7.5 seconds.

What is the top speed of the Mercedes-Benz S-Class S 320 CDI?

The top speed of the Mercedes-Benz S-Class S 320 CDI is 250 km/h.

What is the fuel consumption of the Mercedes-Benz S-Class S 320 CDI?

The Mercedes-Benz S-Class S 320 CDI has a combined fuel consumption of 8.3 l/100 km.

What are the CO₂ emissions of the Mercedes-Benz S-Class S 320 CDI?

The Mercedes-Benz S-Class S 320 CDI emits 220 g/km of CO₂.

What transmission does the Mercedes-Benz S-Class S 320 CDI have?

The Mercedes-Benz S-Class S 320 CDI is equipped with a Automatic transmission.

Is the Mercedes-Benz S-Class S 320 CDI front, rear, or all-wheel drive?

The Mercedes-Benz S-Class S 320 CDI sends power through the REAR WHEEL DRIVE drivetrain.

What is the engine size of the Mercedes-Benz S-Class S 320 CDI?

The Mercedes-Benz S-Class S 320 CDI has a 2,987 cc engine with 6 cylinders.

What is the torque of the Mercedes-Benz S-Class S 320 CDI?

The Mercedes-Benz S-Class S 320 CDI produces 540 Nm of torque.

When was the Mercedes-Benz S-Class S 320 CDI introduced?

The Mercedes-Benz S-Class S 320 CDI was introduced in 2005.