Mercedes-Benz S-Class 2020– car dimensions: 5289 mm long, 1954 mm wide and 1503 mm high. Unladen weight is 2,040 kg. Braked towing is 2,100 kg.
The cabin centres on a 12.8-inch OLED central touchscreen and 12.3-inch driver display with MBUX. Wireless Apple CarPlay and Android Auto are standard. THERMOTRONIC four-zone climate control is fitted as standard. The Driving Assistance package is standard and includes Active Distance Assist DISTRONIC, Active Brake Assist, Active Blind Spot Assist and Active Lane Keeping Assist. Parking package with reversing camera and PARKTRONIC sensors is also standard. a 360° camera appears on higher grades.
Boot volume is 540 litres with the rear seats in place. No seats-down figure is published for this long-wheelbase saloon.
Braked towing capacity is 2100 kg and unbraked is 750 kg. Payload is around 725 kg on the long-wheelbase S 350 d. AIRMATIC air suspension is standard. No heavy-duty cooling or reinforced work suspension is listed.
The long-wheelbase cabin feels spacious and quiet with high-grade materials, soft ambient lighting and four-zone climate control. Front seats offer multi-way electric adjustment with memory as standard. Higher grades add ventilation, active multicontour bolsters, massage and ENERGIZING programs. Rear outer seats heat as standard. LWB Premium packs bring ventilation, deeper recline and optional ottoman. AIR-BALANCE fragrance and heated armrests appear on option lists. Acoustic glazing keeps road and wind noise low for a calm ride.
Diesel straight-six, combined WLTP consumption 6.2-6.7 l/100 km depending on tyre and drive.
ASSYST PLUS flexible service based on time, distance and driving style.
Driving Assistance package standard with Active Brake Assist, DISTRONIC and Lane Keeping.
PRE-SAFE system standard. rear frontal airbags available.
No Euro NCAP rating published for this generation.
The S 350 d uses a 2.9-litre six-cylinder diesel with 210 kW and 600 Nm, paired to 9G-TRONIC. Official combined figures sit between 6.2 and 6.7 l/100 km under WLTP, with CO2 in the mid-160s g/km range. A 65- or 76-litre tank is fitted depending on specification.
Servicing follows the ASSYST PLUS system that calculates intervals from mileage, time and usage. Typical guidance is annual or 15 000-25 000 km for Service A/B alternation. Oil, filters and brake fluid form the core schedule. air suspension and AdBlue need regular checks.
Standard safety includes the full Driving Assistance package, PRE-SAFE, multiple airbags, Active Brake Assist with cross-traffic function and Traffic Sign Assist. Rear airbags are a generation first and offered as an option. No official Euro NCAP stars exist for the W223/V223.
Living with the car means dealer or specialist care for AIRMATIC, electronics and diesel after-treatment. Mercedes me connect supports remote status checks. Keep service history complete to protect residual value.
Length 5289 mm, Width 1954 mm, Height 1503 mm, Wheelbase 3216 mm (S-Class 2020-present)
Sources: manufacturer data, Mercedes-Benz UK brochure The S-Class Saloon, effective June 2021 production, long-wheelbase S 350 d, obsidian black metallic is the standard paint, Length.