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Mercedes-Benz S-Class W140 (1991–1998): specs

Mercedes-Benz S-Class W140 (1991–1998) photo
Photo: Bull-Doser, Wikimedia Commons, Public domain

The Mercedes-Benz S-Class W140 is a sedan produced from 1991 to 1998. It is the 1st of 5 generations of the S-Class in our catalog.

Engines: 3.2 (S320) (M104 E32), 231 hp. Transmission: automatic; rear-wheel drive. Length 5,113 mm, wheelbase 3,040 mm, fuel tank 100 L.

Facelift: 1994. Sold in Kazakhstan, Russia, Kyrgyzstan.

Specifications

Production years1991–1998
Bodysedan
Engine3.2 (S320)
Engine codeM104 E32
Displacement3.2 L
Fuelpetrol
Power231 hp
Torque315 Nm
Transmissionautomatic, 5-speed
Gearbox model4AT 722.3, from 1996 — 5AT 722.6
Driverear-wheel drive
Length5,113 mm
Width1,886 mm
Height1,486 mm
Wheelbase3,040 mm
Fuel tank100 L

Vehicle tax in Kazakhstan

EngineUnder 10 years10–20 years (×0.7)Over 20 years (×0.5)
3.2 (S320)≈ 66,275 ₸≈ 46,392 ₸≈ 33,138 ₸

Approximate annual vehicle tax for 2026 (due by 1 April 2027), based on the 2026 MRP of 4,325 ₸. The exact amount depends on the engine displacement in the registration certificate and the year of manufacture. Exact calculator (in Russian) →

Also S500 V8, S600 V12

Pros and cons

Pros

  • Gearbox Mercedes 722.x (4–5-speed automatic): very reliable
  • Powerful versions: up to 231 hp
  • Large fuel tank: 100 L
  • Sold in all major markets of the region — parts and mechanics available

Cons

  • Gearbox Mercedes 722.x (4–5-speed automatic): leaking connector adapter and wiring
  • Age: the last cars were built in 1998, condition is everything

Common problems and what to check

Gearbox: Mercedes 722.x (4–5-speed automatic)

  • very reliable; leaks from the connector adapter and wiring

What to check when buying: oil seepage at the connector.

Tip: Oil every 60k km.

Based on owner and workshop reports. A specific car may differ — get a pre-purchase inspection.

Tyre and wheel sizes

Factory sizes: tyres 225/60R16, 235/60R16, 235/55R17, 255/45R18; bolt pattern 5x112. All sizes, offsets and centre bore →

Compare with rivals

FAQ

What engine does the Mercedes-Benz S-Class W140 have?

3.2 (S320), code M104 E32, 231 hp, 315 Nm.

What transmission does it have?

automatic (4AT 722.3, from 1996 — 5AT 722.6).

What are the ground clearance and fuel tank size?

Fuel tank 100 l.

How much is the vehicle tax on the Mercedes-Benz S-Class W140 in Kazakhstan?

For 2026, about 66,275 ₸ for a car under 10 years old (base engine). Cars aged 10–20 years get a 0.7 coefficient, cars over 20 years a 0.5 coefficient.

Other generations

All makes and models →