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ES V (XV40) vs S-Class W221: which is better?

Lexus ES V (XV40) (2006–2012) vs Mercedes-Benz S-Class W221 (2005–2013): specs, fuel economy, tax and common problems.

Lexus ES V (XV40)Lexus ES V (XV40)Mercedes-Benz S-Class W221Mercedes-Benz S-Class W221

Specifications

Lexus ES V (XV40)Mercedes-Benz S-Class W221
Production years2006–20122005–2013
Bodysedansedan
Fuelpetrolpetrol
Engines3.5 V6 (ES350)3.5 V6 (S350)
Power, up to277 hp272 hp
Torque, up to346 Nm350 Nm
Gearboxautomaticautomatic
Drivefront-wheel driverear-wheel drive
Length4 855 mm5 076 mm
Width1 820 mm1 871 mm
Height1 450 mm1 473 mm
Wheelbase2 775 mm3 035 mm
Fuel tank70 L90 L
KZ tax 2026 (car under 10 years)≈ 68 375 ₸≈ 68 375 ₸

The better value is highlighted in green.

Pros, cons and common problems

Lexus ES V (XV40)

Pros

  • Powerful versions: up to 277 hp
  • Japanese Aisin automatic
  • Large tank: 70 L
  • Sold in all major markets of the region — parts and mechanics available

Cons

  • Engine Toyota 2GR-FE/FKS (3.5 V6): rubber VVT-i oil line can burst on early engines (before ~2010)
  • Aisin gearbox (Toyota/Lexus 4–8-speed automatic): jolts when shifting at high mileage

Engine (Toyota 2GR-FE/FKS (3.5 V6)): rupture of the rubber VVT-i oil line on early engines (before ~2010); water pump leak; valve cover gasket leaks.

Gearbox (Aisin (Toyota/Lexus 4–8-speed automatic)): shift shocks at high mileage; solenoid wear from old oil.

Mercedes-Benz S-Class W221

Pros

  • Powerful versions: up to 272 hp
  • Conventional automatic, no robotized gearbox or CVT
  • Large fuel tank: 90 L
  • Sold in all major markets of the region — parts and mechanics available

Cons

  • Engine Mercedes M272 (V6): balance shaft and intermediate shaft gear wear on engines before 2008
  • Gearbox Mercedes 7G-Tronic (722.9): control board failure (speed sensors)

Engine (Mercedes M272 (V6)): wear of balance shaft and intermediate shaft gears on pre-2008 engines; intake manifold flap leaks.

Gearbox (Mercedes 7G-Tronic (722.9)): control board failure (speed sensors); valve body wear.

Which one to choose

The condition of a specific car matters more than the model: check the service history and get the engine and gearbox inspected before buying.

FAQ

Which is more powerful: ES V (XV40) or S-Class W221?

ES V (XV40): up to 277 hp, S-Class W221: up to 272 hp.

What is the vehicle tax in Kazakhstan?

For 2026, for a car under 10 years old: ES V (XV40) — about 68 375 ₸, S-Class W221 — about 68 375 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.

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