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Mercedes-Benz GLS-Class Hybrid · 450 kW (612 hp)

Official (WLTP)L/100 km
Real worldL/100 km
+22%

Measured by the on-board fuel meters of 1,704 cars · 2024 data

Real-world consumption is 22% above official. 234 of the other 335 hybrids in the data come closer to their official figure.

How much drivers actually use

Half of the cars use between 14.8 and 17.0 L/100 km. The most economical tenth stays under 14.0; the thirstiest tenth uses more than 18.2.

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€3,910€4,776+€865
Austria 1.86 €/L€3,628€4,431+€803
Belgium 1.98 €/L€3,846€4,697+€851
Bulgaria 1.65 €/L€3,208€3,918+€710
Croatia 1.80 €/L€3,508€4,284+€776
Cyprus 1.76 €/L€3,424€4,182+€758
Czechia 1.86 €/L€3,617€4,417+€800
Denmark 2.66 €/L€5,171€6,315+€1,144
Estonia 1.92 €/L€3,735€4,562+€827
Finland 2.32 €/L€4,512€5,510+€998
France 2.21 €/L€4,303€5,256+€952
Germany 2.21 €/L€4,307€5,260+€953
Greece 2.20 €/L€4,278€5,225+€947
Hungary 1.75 €/L€3,412€4,168+€755
Ireland 1.98 €/L€3,858€4,712+€854
Italy 2.02 €/L€3,932€4,802+€870
Latvia 1.94 €/L€3,780€4,617+€836
Lithuania 1.93 €/L€3,745€4,574+€829
Luxembourg 1.88 €/L€3,650€4,457+€808
Malta 1.34 €/L€2,607€3,184+€577
Netherlands 2.46 €/L€4,790€5,850+€1,060
Poland 1.57 €/L€3,054€3,730+€676
Portugal 2.11 €/L€4,105€5,013+€908
Romania 1.90 €/L€3,693€4,510+€817
Slovakia 1.85 €/L€3,591€4,386+€795
Slovenia 1.76 €/L€3,426€4,184+€758
Spain 1.79 €/L€3,482€4,253+€771
Sweden 1.69 €/L€3,292€4,020+€728

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 GLS-Class engines

EnginecarsOfficial (WLTP)Real worldGap
Diesel · 243 kW (330 hp)4,2558.810.6+20%
Diesel · 210 kW (286 hp)6278.610.2+18%
Hybrid · 450 kW (612 hp)1,70413.015.8+22%
Hybrid · 410 kW (557 hp)1,04813.316.1+21%
Hybrid · 360 kW (489 hp)83812.515.0+20%
Hybrid · 270 kW (367 hp)44510.712.5+16%
Hybrid · 280 kW (381 hp)22211.112.6+14%
Hybrid · 380 kW (517 hp)18613.915.4+11%
Diesel hybrid · 270 kW (367 hp)2,1148.810.5+19%
Diesel hybrid · 230 kW (313 hp)2808.69.8+14%

Similar cars from other models

Same powertrain, similar power and weight.

By country

CountrycarsReal world
Germany93015.9±0%
Poland18116.6+5%
Czechia11615.5−2%
Sweden7814.5−8%
Slovakia6515.6−2%
Bulgaria5116.3+3%

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
202135512.916.4+28%
202279112.916.1+25%
20231,06812.916.0+24%
20241,70413.015.8+22%

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

About this data

Cars in the data1,704 (2024)
Names in the registration dataGLS 63 4MATIC
Registration years2021, 2022, 2023, 2024
Engine size3,982 cm³
Average mass in running order2,642 kg
Average distance on the meter38,401 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.