Car comparison

Mercedes-Benz S-class (W223) S 400dvsMercedes-Benz S-class (W223) · Facelift 2026 S 350d

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz S-class (W223)

S 400d

330 hp2925 ccDieselAWDAutomaticTwin-turboSedan2020-2023

Mercedes-Benz S-class (W223) · Facelift 2026

S 350d

313 hp2989 ccDieselAWDAutomaticTwin-turboSedan2026-present

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Mercedes-Benz S-class (W223) S 400d

Quickest 0-100 km/h
5.4 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
330 hp
246 kW
Highest torque
700 Nm
516 lb-ft
Lightest
1,995 kg
4,398 lb
Best power-to-weight
165 hp/t
123 kW/t
6.0 kg/hp
Largest trunk
550 L
Best overall score
75/100
Best performance score
74/100
Best practicality score
78/100

Mercedes-Benz S-class (W223) Facelift 2026 S 350d

Lowest combined fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Best estimated range
1,118 km
694 mi
Best economy score
89/100

Specification comparison

Specification comparison
Model	Mercedes-BenzS-class (W223)S 400d	Mercedes-BenzS-class (W223)Facelift 2026S 350d
Power	330hp246kW	313hp233kW
Torque	700Nm516lb-ft	650Nm479lb-ft
Curb weight	1,995kg4,398lb	2,155kg4,751lb
Gross weight	2,770kg6,107lb	2,890kg6,371lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	54.8s99% target: 262 km/h / 163 mph Calculated	58.0s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.4s	5.4s
0-200 km/h	16.4s Calculated	17.3s Calculated
0-60 mph	5.2s Calculated	5.1s Calculated
Fuel consumption	6.9L/100 km34.1mpg US40.9mpg UK	6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city	8.8L/100 km26.7mpg US32.1mpg UK	-
Fuel consumption highway	5.8L/100 km40.6mpg US48.7mpg UK	-
Quarter mile	13.3s Calculated	13.4s Calculated
Power-to-weight	165hp/t123kW/t75hp/1000 lb Calculated	145hp/t108kW/t66hp/1000 lb Calculated
Torque-to-weight	351Nm/t235lb-ft/ton Calculated	302Nm/t202lb-ft/ton Calculated
Estimated range	942km585mi Calculated	1,118km694mi Calculated
Displacement	2,925cc178cu in	2,989cc182cu in
Length	5,179mm204in	5,194mm204in
Width	1,954mm77in	1,921mm76in
Height	1,503mm59in	1,503mm59in
Wheelbase	3,106mm122in	3,106mm122in
Front track	1,660mm65in	1,660mm65in
Rear track	1,688mm66in	1,688mm66in
Ground clearance	130mm5in	-
Trunk volume	550L	510L
Doors	4	4
Seats	5	5
Fuel tank	65L	76L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz S-class (W223) S 400dMercedes-Benz S-class (W223) Facelift 2026 S 350dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzS-class (W223)S 400d	3,600-4,200 rpm	1,200-3,200 rpm	4,450 rpm
Mercedes-BenzS-class (W223)Facelift 2026S 350d	3,600-4,800 rpm	1,200-3,200 rpm	5,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzS-class (W223)S 400d	Mercedes-BenzS-class (W223)Facelift 2026S 350d
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.2 s	5.1 s
0-100 km/h 0-62 mph	5.4 s	5.4 s
0-200 km/h 0-124 mph	16.4 s	17.3 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	6.1 s	6.0 s
1/8 mile 201 m	8.9 s	8.9 s
1000 ft 305 m	11.3 s	11.4 s
1/4 mile 402 m	13.3 s	13.4 s
Trap speed 1/4 mile 402 m	181 km/h 113 mph	178 km/h 110 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	330 hp 246 kW
Mercedes-BenzS-class (W223)Facelift 2026S 350d	313 hp 233 kW

Mercedes-Benz S-class (W223) S 400d has 17 hp more than Mercedes-Benz S-class (W223) Facelift 2026 S 350d.

The biggest power difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 350d and Mercedes-Benz S-class (W223) S 400d: 17 hp (13 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	700 Nm 516 lb-ft
Mercedes-BenzS-class (W223)Facelift 2026S 350d	650 Nm 479 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	1,995 kg 4,398 lb
Mercedes-BenzS-class (W223)Facelift 2026S 350d	2,155 kg 4,751 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
Mercedes-BenzS-class (W223)Facelift 2026S 350d	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	5.4 s
Mercedes-BenzS-class (W223)Facelift 2026S 350d	5.4 s

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	6.9 L/100 km 34.1 mpg US 40.9 mpg UK
Mercedes-BenzS-class (W223)Facelift 2026S 350d	6.8 L/100 km 34.6 mpg US 41.5 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	165 hp/t 123 kW/t 6.0 kg/hp
Mercedes-BenzS-class (W223)Facelift 2026S 350d	145 hp/t 108 kW/t 6.9 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
Mercedes-BenzS-class (W223)S 400d	942 km 585 mi
Mercedes-BenzS-class (W223)Facelift 2026S 350d	1,118 km 694 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzS-class (W223)S 400d	330 hp 246 kW	5.4 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
Mercedes-BenzS-class (W223)Facelift 2026S 350d	313 hp 233 kW	5.4 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzS-class (W223)S 400d

Power	330 hp 246 kW
0-100 km/h	5.4 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	550 L 19.4 cu ft
Length	5,179 mm 203.9 in
Height	1,503 mm 59.2 in

Mercedes-BenzS-class (W223)Facelift 2026S 350d

Power	313 hp 233 kW
0-100 km/h	5.4 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	510 L 18.0 cu ft
Length	5,194 mm 204.5 in
Height	1,503 mm 59.2 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzS-class (W223)S 400d

Power	330 hp 246 kW
0-100 km/h	5.4 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

6.9 L/100 km

34.1 mpg US

40.9 mpg UK

Mercedes-BenzS-class (W223)Facelift 2026S 350d

Power	313 hp 233 kW
0-100 km/h	5.4 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

6.8 L/100 km

34.6 mpg US

41.5 mpg UK

Mercedes-Benz S-class (W223) S 400d is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzS-class (W223)S 400d	6.9 L/100 km 34.1 mpg US 40.9 mpg UK	5.4 s
Mercedes-BenzS-class (W223)Facelift 2026S 350d	6.8 L/100 km 34.6 mpg US 41.5 mpg UK	5.4 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Mercedes-BenzS-class (W223)S 400d	165 hp/t 123 kW/t 6.0 kg/hp	6.9 L/100 km 34.1 mpg US 40.9 mpg UK
Mercedes-BenzS-class (W223)Facelift 2026S 350d	145 hp/t 108 kW/t 6.9 kg/hp	6.8 L/100 km 34.6 mpg US 41.5 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzS-class (W223)S 400d

Mercedes-BenzS-class (W223)Facelift 2026S 350d

Power

330 hp

246 kW

313 hp

233 kW

Torque

700 Nm

516 lb-ft

650 Nm

479 lb-ft

Acceleration

5.4 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,995 kg

4,398 lb

2,155 kg

4,751 lb

Fuel consumption

6.9 L/100 km

34.1 mpg US

40.9 mpg UK

6.8 L/100 km

34.6 mpg US

41.5 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	550 L 19.4 cu ft
Length	5,179 mm 203.9 in
Height	1,503 mm 59.2 in

Doors/seats	4 doors 5 seats
Trunk	510 L 18.0 cu ft
Length	5,194 mm 204.5 in
Height	1,503 mm 59.2 in

Range score

942 km

585 mi

1,118 km

694 mi

Trunk score

550 L

19.4 cu ft

510 L

18.0 cu ft

Power-to-weight score

165 hp/t

123 kW/t

6.0 kg/hp

145 hp/t

108 kW/t

6.9 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Mercedes-Benz S-class (W223) S 400d	Mercedes-Benz S-class (W223) Facelift 2026 S 350d
Consumption	6.9 L/100 km34.1 mpg US40.9 mpg UK	6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km	12.08 LC100 km	11.90 LC100 km
Cost / 100 mi	19.43 LC100 mi	19.15 LC100 mi
Annual fuel used	1,035 L273 US gal228 UK gal	1,020 L269 US gal224 UK gal
Annual fuel cost	1,811 LC/year	1,785 LC/year