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2026 Mercedes-Benz E 450 4MATIC

Sedan · 3.0L Turbo I6 MHEV · AWD

84/100

AutoVault's overall score, weighted for what a sedan is actually for — performance, technology, comfort, reliability, safety and value.

Specifications

Engine3.0L Turbo I6 MHEV
Horsepower362 hp
Torque369 lb-ft
0–60 mph5.1 sec
Top speed130 mph
DrivetrainAWD
Seats5
Combined MPG24 mpg (21 city / 29 hwy)
Range413 miles
MSRP$72,300
Body styleSedan

The verdict

What's good

  • Smooth, eager six-cylinder
  • Refined and quiet at any speed
  • Mild-hybrid eases low-speed surges
  • Effortless real-world pace

What's not

  • Requires premium gasoline
  • Expensive to maintain over time
  • Cramped rear for tall riders
  • Touch-sensitive wheel controls fiddly

The engine

M256

3.0L Turbo I6 Mild-Hybrid

The M256 marks Mercedes' return to the straight-six — silky and refined, with an electric auxiliary compressor and 48-volt mild-hybrid that banish turbo lag for instant, seamless thrust.

Mercedes abandoned inline-sixes for V6s in the 1990s, then revived the layout in 2017 because the straight-six's natural balance suited electrification — the belt-driven accessories are gone, run electrically instead.

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