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Mercedes-Benz SL-Class Petrol · 350 kW (476 hp)

Official (WLTP)L/100 km
Real worldL/100 km
+28%

Measured by the on-board fuel meters of 462 cars · 2024 data

Real-world consumption is 28% above official. 571 of the other 618 petrol cars in the data come closer to their official figure.

How much drivers actually use

Half of the cars use between 14.9 and 18.6 L/100 km. The most economical tenth stays under 13.4; the thirstiest tenth uses more than 20.7.

Each bar is a 0.5 L range; its height and the figure above it show what share of cars fall in that range.

L/100 km · Each car’s lifetime average from its fuel meter. Cars with less than 1,000 km are left out.

Is my consumption normal?

L/100 km

Trip computers are often a few percent optimistic. Short trips, winter, motorways and towing raise consumption.

What it costs to fuel

CountryAt officialAt realDifference
EU weighted average 2.01 €/L€3,919€5,023+€1,103
Austria 1.86 €/L€3,637€4,661+€1,024
Belgium 1.98 €/L€3,855€4,941+€1,085
Bulgaria 1.65 €/L€3,216€4,121+€905
Croatia 1.80 €/L€3,516€4,506+€990
Cyprus 1.76 €/L€3,432€4,398+€966
Czechia 1.86 €/L€3,625€4,646+€1,021
Denmark 2.66 €/L€5,183€6,642+€1,459
Estonia 1.92 €/L€3,744€4,798+€1,054
Finland 2.32 €/L€4,522€5,795+€1,273
France 2.21 €/L€4,313€5,528+€1,214
Germany 2.21 €/L€4,317€5,533+€1,215
Greece 2.20 €/L€4,288€5,495+€1,207
Hungary 1.75 €/L€3,420€4,383+€963
Ireland 1.98 €/L€3,867€4,956+€1,089
Italy 2.02 €/L€3,941€5,050+€1,110
Latvia 1.94 €/L€3,789€4,856+€1,067
Lithuania 1.93 €/L€3,754€4,811+€1,057
Luxembourg 1.88 €/L€3,658€4,688+€1,030
Malta 1.34 €/L€2,613€3,349+€736
Netherlands 2.46 €/L€4,801€6,153+€1,352
Poland 1.57 €/L€3,062€3,923+€862
Portugal 2.11 €/L€4,115€5,273+€1,158
Romania 1.90 €/L€3,701€4,743+€1,042
Slovakia 1.85 €/L€3,600€4,613+€1,013
Slovenia 1.76 €/L€3,434€4,401+€967
Spain 1.79 €/L€3,491€4,473+€983
Sweden 1.69 €/L€3,299€4,228+€929

Fuel prices including taxes from the European Commission Weekly Oil Bulletin of 12 October 2026. Cost = consumption × price × distance. The default distance is an example; change it to yours.

Other Mercedes-Benz SL-Class engines

EnginecarsOfficial (WLTP)Real worldGap
Petrol · 430 kW (585 hp)3,49413.017.2+32%
Petrol · 350 kW (476 hp)46213.016.7+28%
Hybrid · 280 kW (381 hp)1,9439.312.1+31%

Similar cars from other models

Same powertrain, similar power and weight.

By country

CountrycarsReal world
Germany18116.4−2%
Poland5117.5+5%

Countries with at least 50 cars of this engine. Differences reflect climate, roads and driving habits as well as the car.

By reporting year

carsOfficial (WLTP)Real worldGap
202311413.016.9+30%
202446213.016.7+28%

The same cars are reported again each year with their lifetime totals, so years are not added together.

About this data

Cars in the data462 (2024)
Names in the registration dataSL 55 4MATIC
Registration years2022, 2023, 2024
Engine size3,982 cm³
Average mass in running order1,950 kg
Average distance on the meter9,577 km

Hybrid includes mild hybrids (48 V) as registered by the manufacturer.

Source: European Environment Agency, real-world CO₂ emissions from cars, 2024 data (CC BY 4.0), based on on-board fuel consumption meters (Regulation (EU) 2019/631, Article 12). Grouping by model and engine, averages and percentiles by RealFuelConsumption. Not affiliated with the EEA or the manufacturer.