Car comparison

Mercedes-Benz S-class (W222) · Facelift 2017 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 (W222) · Facelift 2017

S 400d

340 hp2925 ccDieselRWDAutomaticTurbochargedSedan2017-2020
VS

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.

Best choices

Mercedes-Benz S-class (W222) Facelift 2017 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
    340 hp
    254 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,930 kg
    4,255 lb
  • Best power-to-weight
    176 hp/t
    131 kW/t
    5.7 kg/hp
  • Lowest combined fuel consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Best estimated range
    1,296 km
    805 mi
  • Largest trunk
    510 L
  • Best overall score
    73/100
  • Best performance score
    74/100
  • Best economy score
    92/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W222)Facelift 2017S 400dMercedes-BenzS-class (W223)Facelift 2026S 350d
Power
340hp254kW
313hp233kW
Torque
700Nm516lb-ft
650Nm479lb-ft
Curb weight
1,930kg4,255lb
2,155kg4,751lb
Gross weight
2,705kg5,964lb
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
54.6s99% 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
16.3s
Calculated
17.3s
Calculated
0-60 mph
5.2s
Calculated
5.1s
Calculated
Fuel consumption
5.4L/100 km43.6mpg US52.3mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
6.5L/100 km36.2mpg US43.5mpg UK
-
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
-
Quarter mile
13.3s
Calculated
13.4s
Calculated
Power-to-weight
176hp/t131kW/t80hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
363Nm/t243lb-ft/ton
Calculated
302Nm/t202lb-ft/ton
Calculated
Estimated range
1,296km805mi
Calculated
1,118km694mi
Calculated
Displacement
2,925cc178cu in
2,989cc182cu in
Length
5,141mm202in
5,194mm204in
Width
1,905mm75in
1,921mm76in
Height
1,498mm59in
1,503mm59in
Wheelbase
3,035mm119in
3,106mm122in
Front track
1,630mm64in
1,660mm65in
Rear track
1,643mm65in
1,688mm66in
Trunk volume
510L
510L
Doors
4
4
Seats
4
5
Fuel tank
70L
76L
CO2 emissions
139g/km
-

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 (W222) Facelift 2017 S 400dMercedes-Benz S-class (W223) Facelift 2026 S 350dPowerTorque
  • Mercedes-Benz S-class (W222) Facelift 2017 S 400d: Power / Torque
  • Mercedes-Benz S-class (W223) Facelift 2026 S 350d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W222)Facelift 2017S 400d3,600-4,400 rpm1,200-3,200 rpm4,650 rpm
Mercedes-BenzS-class (W223)Facelift 2026S 350d3,600-4,800 rpm1,200-3,200 rpm5,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W222)Facelift 2017S 400dMercedes-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
16.3 s
17.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely 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
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
340 hp
254 kW
Mercedes-BenzS-class (W223)Facelift 2026S 350d
313 hp
233 kW

Mercedes-Benz S-class (W222) Facelift 2017 S 400d has 27 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 (W222) Facelift 2017 S 400d: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 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
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
1,930 kg
4,255 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
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 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
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d5.4 s
Mercedes-BenzS-class (W223)Facelift 2026S 350d5.4 s

Fuel consumption comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
Mercedes-BenzS-class (W223)Facelift 2026S 350d
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W222) Facelift 2017 S 400d and Mercedes-Benz S-class (W223) Facelift 2026 S 350d: 1.4 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
176 hp/t
131 kW/t
5.7 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
VehicleValue
Mercedes-BenzS-class (W222)Facelift 2017S 400d
1,296 km
805 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
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W222)Facelift 2017S 400d
340 hp
254 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.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzS-class (W222)Facelift 2017S 400d
Power
340 hp
254 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,141 mm
202.4 in
Height
1,498 mm
59.0 in
Mercedes-BenzS-class (W223)Facelift 2026S 350d
Power
313 hp
233 kW
0-100 km/h5.4 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.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzS-class (W222)Facelift 2017S 400d
Power
340 hp
254 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
Mercedes-BenzS-class (W223)Facelift 2026S 350d
Power
313 hp
233 kW
0-100 km/h5.4 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 (W222) Facelift 2017 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
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzS-class (W222)Facelift 2017S 400d
5.4 L/100 km
43.6 mpg US
52.3 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzS-class (W222)Facelift 2017S 400d
176 hp/t
131 kW/t
5.7 kg/hp
5.4 L/100 km
43.6 mpg US
52.3 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

Detailed score breakdown
VehicleMercedes-BenzS-class (W222)Facelift 2017S 400dMercedes-BenzS-class (W223)Facelift 2026S 350d
Power
340 hp
254 kW
313 hp
233 kW
Torque
700 Nm
516 lb-ft
650 Nm
479 lb-ft
Acceleration
5.4 s
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
1,930 kg
4,255 lb
2,155 kg
4,751 lb
Fuel consumption
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,141 mm
202.4 in
Height
1,498 mm
59.0 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
1,296 km
805 mi
1,118 km
694 mi
CO2 score
139 g/km
-
Trunk score
510 L
18.0 cu ft
510 L
18.0 cu ft
Power-to-weight score
176 hp/t
131 kW/t
5.7 kg/hp
145 hp/t
108 kW/t
6.9 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleMercedes-Benz S-class (W222) Facelift 2017 S 400dMercedes-Benz S-class (W223) Facelift 2026 S 350d
Consumption5.4 L/100 km43.6 mpg US52.3 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km9.45 LC100 km11.90 LC100 km
Cost / 100 mi15.21 LC100 mi19.15 LC100 mi
Annual fuel used810 L214 US gal178 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost1,418 LC/year1,785 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W222) Facelift 2017 S 400d

  • Has 27 hp more
  • Has 50 Nm more
  • Is 225 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.4 L/100 km less fuel
  • Has 31 hp/t better power-to-weight
  • Has 179 km (111 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W222) S 400d
Mercedes-Benz S-class (W223) S 350d
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Mercedes-Benz S-class (W222) · Facelift 2017 S 400d vs Mercedes-Benz S-class (W223) · Facelift 2026 S 350d - car comparison - FastVsFaster