Mercedes-benz W222 S-class S-400d V4.3 1.46 Apr 2026

: The engine is described as "almost inaudible" at cruising speeds, rivaling the silence of many petrol V6 engines. Key Review Highlights

: The W222 interior is a benchmark for luxury, featuring dual 12.3-inch displays and high-quality materials like Nappa leather and real wood.

: Despite its 2.5-ton weight, it can achieve nearly 40 mpg (approx. 5.9–6.0 L/100km), offering a range that significantly outclasses V8 models. MERCEDES-BENZ W222 S-CLASS S-400D V4.3 1.46

While generally reliable, especially in the 2018–2020 facelift years, owners should be mindful of:

: It produces roughly 325–335 hp and a massive 700 Nm (516 lb-ft) of torque, allowing it to reach 0–62 mph in just 5.4 seconds . : The engine is described as "almost inaudible"

The S 400 d features the OM656 2.9-liter inline-six turbocharged diesel engine, introduced during the 2017 facelift.

: This generation pioneered "Intelligent Drive," which includes advanced adaptive cruise control, lane-keeping assist, and steering assistance that feels remarkably natural. Potential Issues to Watch Performance & Engine (S 400 d)

The Mercedes-Benz W222 S-Class , specifically the facelifted , is widely regarded by enthusiasts and reviewers as the "sweet spot" of the W222 generation (2013–2020). It balances world-class refinement with a remarkably efficient and powerful diesel engine that many consider superior to its petrol counterparts for long-distance cruising. Performance & Engine (S 400 d)