Mercedes-Benz S-class (W221)
Car comparison
Mercedes-Benz S-class (W221) S 500vsMercedes-Benz S-class (W222) · Facelift 2017 S 400d
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonMercedes-Benz S-class (W222) · Facelift 2017
S 400d
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
- Highest torque700 Nm516 lb-ft
- Lightest1,930 kg4,255 lb
- Lowest combined fuel consumption5.4 L/100 km43.6 mpg US52.3 mpg UK
- Lowest city consumption6.5 L/100 km36.2 mpg US43.5 mpg UK
- Lowest highway consumption4.7 L/100 km50.0 mpg US60.1 mpg UK
- Lowest CO2 emissions139 g/km
- Best estimated range1,296 km805 mi
- Best performance score74/100
- Best economy score92/100
Mercedes-Benz S-class (W221) S 500
- Quickest 0-100 km/h5.4 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Most powerful388 hp289 kW
- Best power-to-weight201 hp/t150 kW/t5.0 kg/hp
- Largest trunk560 L
- Best overall score74/100
- Best practicality score78/100
Specification comparison
| Model | Mercedes-BenzS-class (W221)S 500 | Mercedes-BenzS-class (W222)Facelift 2017S 400d |
|---|---|---|
| Power | 388hp289kW | 340hp254kW |
| Torque | 530Nm391lb-ft | 700Nm516lb-ft |
| Curb weight | 1,935kg4,266lb | 1,930kg4,255lb |
| Gross weight | 2,620kg5,776lb | 2,705kg5,964lb |
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated |
| To 99% top speed | 53.2s99% target: 262 km/h / 163 mph Calculated | 54.6s99% target: 262 km/h / 163 mph Calculated |
| 0-100 km/h | 5.4s | 5.4s |
| 0-200 km/h | 16.1s Calculated | 16.3s Calculated |
| 0-60 mph | 5.2s Calculated | 5.2s Calculated |
| Fuel consumption | 12.3L/100 km19.1mpg US23.0mpg UK | 5.4L/100 km43.6mpg US52.3mpg UK |
| Fuel consumption city | 18.2L/100 km12.9mpg US15.5mpg UK | 6.5L/100 km36.2mpg US43.5mpg UK |
| Fuel consumption highway | 9L/100 km26.1mpg US31.4mpg UK | 4.7L/100 km50mpg US60.1mpg UK |
| Quarter mile | 13.3s Calculated | 13.3s Calculated |
| Power-to-weight | 201hp/t150kW/t91hp/1000 lb Calculated | 176hp/t131kW/t80hp/1000 lb Calculated |
| Torque-to-weight | 274Nm/t183lb-ft/ton Calculated | 363Nm/t243lb-ft/ton Calculated |
| Estimated range | 732km455mi Calculated | 1,296km805mi Calculated |
| Displacement | 5,461cc333cu in | 2,925cc178cu in |
| Length | 5,079mm200in | 5,141mm202in |
| Width | 1,872mm74in | 1,905mm75in |
| Height | 1,473mm58in | 1,498mm59in |
| Wheelbase | 3,035mm119in | 3,035mm119in |
| Front track | 1,604mm63in | 1,630mm64in |
| Rear track | 1,606mm63in | 1,643mm65in |
| Trunk volume | 560L | 510L |
| Doors | 4 | 4 |
| Seats | 5 | 4 |
| Fuel tank | 90L | 70L |
| CO2 emissions | 294g/km | 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 (W221) S 500: Power / Torque
- Mercedes-Benz S-class (W222) Facelift 2017 S 400d: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 6,000 rpm | 2,800-4,800 rpm | 6,250 rpm |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 3,600-4,400 rpm | 1,200-3,200 rpm | 4,650 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzS-class (W221)S 500 | Mercedes-BenzS-class (W222)Facelift 2017S 400d |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 5.2 s | 5.2 s |
0-100 km/h 0-62 mph | 5.4 s | 5.4 s |
0-200 km/h 0-124 mph | 16.1 s | 16.3 s |
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited |
| Drag race simulation | ||
60 ft 18 m | 2.5 s | 2.4 s |
330 ft 101 m | 6.1 s | 6.1 s |
1/8 mile 201 m | 8.9 s | 8.9 s |
1000 ft 305 m | 11.3 s | 11.3 s |
1/4 mile 402 m | 13.3 s | 13.3 s |
Trap speed 1/4 mile 402 m | 182 km/h 113 mph | 181 km/h 113 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 kW |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 340 hp 254 kW |
Mercedes-Benz S-class (W221) S 500 has 48 hp more than Mercedes-Benz S-class (W222) Facelift 2017 S 400d.
The biggest power difference is between Mercedes-Benz S-class (W222) Facelift 2017 S 400d and Mercedes-Benz S-class (W221) S 500: 48 hp (36 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 530 Nm 391 lb-ft |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 700 Nm 516 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 1,935 kg 4,266 lb |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 1,930 kg 4,255 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 5.4 s |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 5.4 s |
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 5.4 L/100 km 43.6 mpg US 52.3 mpg UK |
The biggest fuel consumption difference is between Mercedes-Benz S-class (W222) Facelift 2017 S 400d and Mercedes-Benz S-class (W221) S 500: 6.9 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 201 hp/t 150 kW/t 5.0 kg/hp |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 176 hp/t 131 kW/t 5.7 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 732 km 455 mi |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 1,296 km 805 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 kW | 5.4 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 340 hp 254 kW | 5.4 s | Unrestricted 265 km/h165 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 (W221)S 500 |
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| Mercedes-BenzS-class (W222)Facelift 2017S 400d |
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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 (W221)S 500 |
| 12.3 L/100 km 19.1 mpg US 23.0 mpg UK | ||||||
| Mercedes-BenzS-class (W222)Facelift 2017S 400d |
| 5.4 L/100 km 43.6 mpg US 52.3 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK | 5.4 s |
| Mercedes-BenzS-class (W222)Facelift 2017S 400d | 5.4 L/100 km 43.6 mpg US 52.3 mpg UK | 5.4 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 201 hp/t 150 kW/t 5.0 kg/hp | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK |
| 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 |
Detailed score breakdown
| Vehicle | Mercedes-BenzS-class (W221)S 500 | Mercedes-BenzS-class (W222)Facelift 2017S 400d | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 388 hp 289 kW | 340 hp 254 kW | ||||||||||||||||
| Torque | 530 Nm 391 lb-ft | 700 Nm 516 lb-ft | ||||||||||||||||
| Acceleration | 5.4 s | 5.4 s | ||||||||||||||||
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,935 kg 4,266 lb | 1,930 kg 4,255 lb | ||||||||||||||||
| Fuel consumption | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK | 5.4 L/100 km 43.6 mpg US 52.3 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 732 km 455 mi | 1,296 km 805 mi | ||||||||||||||||
| CO2 score | 294 g/km | 139 g/km | ||||||||||||||||
| Trunk score | 560 L 19.8 cu ft | 510 L 18.0 cu ft | ||||||||||||||||
| Power-to-weight score | 201 hp/t 150 kW/t 5.0 kg/hp | 176 hp/t 131 kW/t 5.7 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
| Vehicle | Mercedes-Benz S-class (W221) S 500 | Mercedes-Benz S-class (W222) Facelift 2017 S 400d |
|---|---|---|
| Consumption | 12.3 L/100 km19.1 mpg US23 mpg UK | 5.4 L/100 km43.6 mpg US52.3 mpg UK |
| Cost / 100 km | 21.53 LC100 km | 9.45 LC100 km |
| Cost / 100 mi | 34.64 LC100 mi | 15.21 LC100 mi |
| Annual fuel used | 1,845 L487 US gal406 UK gal | 810 L214 US gal178 UK gal |
| Annual fuel cost | 3,229 LC/year | 1,418 LC/year |
Head-to-head comparisons
Mercedes-Benz S-class (W221) S 500
- Has 48 hp more
- Has 24 hp/t better power-to-weight
- Has 50 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Best power-to-weight ratio
- Largest trunk
Cons
- Highest combined fuel consumption
- Heaviest
- Highest CO2 emissions
Mercedes-Benz S-class (W222) Facelift 2017 S 400d
- Has 170 Nm more
- Is 5 kg lighter
- Uses 6.9 L/100 km less fuel
- Has 565 km (351 mi) more estimated range
- Emits 155 g/km less CO2
Pros
- Highest torque
- Lightest
- Lowest combined fuel consumption
- Best estimated range
Cons
- Lowest power
- Smallest trunk
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