Mercedes-Benz S-class (W223) · Facelift 2026
Car comparison
Mercedes-Benz S-class (W223) · Facelift 2026 S 450vsMercedes-Benz S-class (W221) S 500
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonMercedes-Benz S-class (W221)
S 500
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Mercedes-Benz S-class (W223) Facelift 2026 S 450
- Quickest 0-100 km/h4.9 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Highest torque560 Nm413 lb-ft
- Lowest combined fuel consumption8.9 L/100 km26.4 mpg US31.7 mpg UK
- Best estimated range854 km531 mi
- Best overall score75/100
- Best performance score74/100
- Best economy score83/100
Mercedes-Benz S-class (W221) S 500
- Most powerful388 hp289 kW
- Lightest1,865 kg4,112 lb
- Best power-to-weight208 hp/t155 kW/t4.8 kg/hp
- Largest trunk560 L
- Best practicality score78/100
Specification comparison
| Model | Mercedes-BenzS-class (W223)Facelift 2026S 450 | Mercedes-BenzS-class (W221)S 500 |
|---|---|---|
| Power | 381hp284kW | 388hp289kW |
| Torque | 560Nm413lb-ft | 530Nm391lb-ft |
| Curb weight | 2,090kg4,608lb | 1,865kg4,112lb |
| Gross weight | 2,825kg6,228lb | 2,545kg5,611lb |
| 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 | 50.8s99% target: 262 km/h / 163 mph Calculated | 52.3s99% target: 262 km/h / 163 mph Calculated |
| 0-100 km/h | 4.9s | 5.4s |
| 0-200 km/h | 15.0s Calculated | 16.0s Calculated |
| 0-60 mph | 4.7s Calculated | 5.2s Calculated |
| Fuel consumption | 8.9L/100 km26.4mpg US31.7mpg UK | 11.9L/100 km19.8mpg US23.7mpg UK |
| Fuel consumption city | - | 17.6L/100 km13.4mpg US16.1mpg UK |
| Fuel consumption highway | - | 8.7L/100 km27mpg US32.5mpg UK |
| Quarter mile | 12.9s Calculated | 13.3s Calculated |
| Power-to-weight | 182hp/t136kW/t83hp/1000 lb Calculated | 208hp/t155kW/t94hp/1000 lb Calculated |
| Torque-to-weight | 268Nm/t179lb-ft/ton Calculated | 284Nm/t190lb-ft/ton Calculated |
| Estimated range | 854km531mi Calculated | 756km470mi Calculated |
| Displacement | 2,999cc183cu in | 5,461cc333cu in |
| Length | 5,194mm204in | 5,079mm200in |
| Width | 1,921mm76in | 1,872mm74in |
| Height | 1,503mm59in | 1,473mm58in |
| Wheelbase | 3,106mm122in | 3,035mm119in |
| Front track | 1,660mm65in | 1,604mm63in |
| Rear track | 1,688mm66in | 1,606mm63in |
| Trunk volume | 530L | 560L |
| Doors | 4 | 4 |
| Seats | 5 | 5 |
| Fuel tank | 76L | 90L |
| CO2 emissions | - | 283g/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 (W223) Facelift 2026 S 450: Power / Torque
- Mercedes-Benz S-class (W221) S 500: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzS-class (W223)Facelift 2026S 450 | 5,000-6,100 rpm | 2,000-4,500 rpm | 6,350 rpm |
| Mercedes-BenzS-class (W221)S 500 | 6,000 rpm | 2,800 rpm | 6,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzS-class (W223)Facelift 2026S 450 | Mercedes-BenzS-class (W221)S 500 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.7 s | 5.2 s |
0-100 km/h 0-62 mph | 4.9 s | 5.4 s |
0-200 km/h 0-124 mph | 15.0 s | 16.0 s |
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited |
| Drag race simulation | ||
60 ft 18 m | 2.3 s | 2.5 s |
330 ft 101 m | 5.8 s | 6.1 s |
1/8 mile 201 m | 8.5 s | 8.9 s |
1000 ft 305 m | 10.9 s | 11.3 s |
1/4 mile 402 m | 12.9 s | 13.3 s |
Trap speed 1/4 mile 402 m | 186 km/h 116 mph | 183 km/h 114 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W223)Facelift 2026S 450 | 381 hp 284 kW |
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 kW |
Mercedes-Benz S-class (W221) S 500 has 7 hp more than Mercedes-Benz S-class (W223) Facelift 2026 S 450.
The biggest power difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 450 and Mercedes-Benz S-class (W221) S 500: 7 hp (5 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W223)Facelift 2026S 450 | 560 Nm 413 lb-ft |
| Mercedes-BenzS-class (W221)S 500 | 530 Nm 391 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W223)Facelift 2026S 450 | 2,090 kg 4,608 lb |
| Mercedes-BenzS-class (W221)S 500 | 1,865 kg 4,112 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 (W223)Facelift 2026S 450 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Mercedes-BenzS-class (W221)S 500 | 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 (W223)Facelift 2026S 450 | 4.9 s |
| Mercedes-BenzS-class (W221)S 500 | 5.4 s |
Although Mercedes-Benz S-class (W221) S 500 has more power, Mercedes-Benz S-class (W223) Facelift 2026 S 450 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 450 and Mercedes-Benz S-class (W221) S 500: 0.5 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 (W223)Facelift 2026S 450 | 8.9 L/100 km 26.4 mpg US 31.7 mpg UK |
| Mercedes-BenzS-class (W221)S 500 | 11.9 L/100 km 19.8 mpg US 23.7 mpg UK |
The biggest fuel consumption difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 450 and Mercedes-Benz S-class (W221) S 500: 3.0 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 (W223)Facelift 2026S 450 | 182 hp/t 136 kW/t 5.5 kg/hp |
| Mercedes-BenzS-class (W221)S 500 | 208 hp/t 155 kW/t 4.8 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W223)Facelift 2026S 450 | 854 km 531 mi |
| Mercedes-BenzS-class (W221)S 500 | 756 km 470 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzS-class (W223)Facelift 2026S 450 | 381 hp 284 kW | 4.9 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 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 (W223)Facelift 2026S 450 |
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| Mercedes-BenzS-class (W221)S 500 |
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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 (W223)Facelift 2026S 450 |
| 8.9 L/100 km 26.4 mpg US 31.7 mpg UK | ||||||
| Mercedes-BenzS-class (W221)S 500 |
| 11.9 L/100 km 19.8 mpg US 23.7 mpg UK | ||||||
Mercedes-Benz S-class (W223) Facelift 2026 S 450 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 (W223)Facelift 2026S 450 | 8.9 L/100 km 26.4 mpg US 31.7 mpg UK | 4.9 s |
| Mercedes-BenzS-class (W221)S 500 | 11.9 L/100 km 19.8 mpg US 23.7 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 (W223)Facelift 2026S 450 | 182 hp/t 136 kW/t 5.5 kg/hp | 8.9 L/100 km 26.4 mpg US 31.7 mpg UK |
| Mercedes-BenzS-class (W221)S 500 | 208 hp/t 155 kW/t 4.8 kg/hp | 11.9 L/100 km 19.8 mpg US 23.7 mpg UK |
Detailed score breakdown
| Vehicle | Mercedes-BenzS-class (W223)Facelift 2026S 450 | Mercedes-BenzS-class (W221)S 500 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 381 hp 284 kW | 388 hp 289 kW | ||||||||||||||||
| Torque | 560 Nm 413 lb-ft | 530 Nm 391 lb-ft | ||||||||||||||||
| Acceleration | 4.9 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 | 2,090 kg 4,608 lb | 1,865 kg 4,112 lb | ||||||||||||||||
| Fuel consumption | 8.9 L/100 km 26.4 mpg US 31.7 mpg UK | 11.9 L/100 km 19.8 mpg US 23.7 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 854 km 531 mi | 756 km 470 mi | ||||||||||||||||
| CO2 score | - | 283 g/km | ||||||||||||||||
| Trunk score | 530 L 18.7 cu ft | 560 L 19.8 cu ft | ||||||||||||||||
| Power-to-weight score | 182 hp/t 136 kW/t 5.5 kg/hp | 208 hp/t 155 kW/t 4.8 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 (W223) Facelift 2026 S 450 | Mercedes-Benz S-class (W221) S 500 |
|---|---|---|
| Consumption | 8.9 L/100 km26.4 mpg US31.7 mpg UK | 11.9 L/100 km19.8 mpg US23.7 mpg UK |
| Cost / 100 km | 15.58 LC100 km | 20.83 LC100 km |
| Cost / 100 mi | 25.07 LC100 mi | 33.51 LC100 mi |
| Annual fuel used | 1,335 L353 US gal294 UK gal | 1,785 L472 US gal393 UK gal |
| Annual fuel cost | 2,336 LC/year | 3,124 LC/year |
Head-to-head comparisons
Mercedes-Benz S-class (W223) Facelift 2026 S 450
- Has 30 Nm more
- Is 0.5 s quicker from 0-100 km/h
- Uses 3.0 L/100 km less fuel
- Has 98 km (61 mi) more estimated range
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
Cons
- Lowest power
- Heaviest
- Smallest trunk
Mercedes-Benz S-class (W221) S 500
- Has 7 hp more
- Is 225 kg lighter
- Has 26 hp/t better power-to-weight
- Has 30 L more trunk volume
Pros
- Most powerful
- Lightest
- Best power-to-weight ratio
- Largest trunk
Cons
- Slowest 0-100 km/h
- Highest combined fuel consumption
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