What are the CO2 emissions of a Mercedes-benz S 400 D?

Official EU monitoring data for 2020 registrations shows fleet-average CO2 from 179 g/km (WLTP) for the Mercedes-benz S 400 D, varying by fuel type and configuration; the table on this page lists every year and fuel type.

How many Mercedes-benz S 400 D are registered in the EU?

The EEA monitoring database records 585 new Mercedes-benz S 400 D registrations in Europe between 2010 and 2025. These are new-car registrations reported by member states, not the number currently on the road.

Mercedes-benz · EU monitoring data

Mercedes-benz S 400 D: CO2 & EU registrations

585 new registrations on record, fleet-average CO2 from 179 g/km (WLTP, 2020). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Mercedes-benz S 400 D registrations of that year and fuel. CO2 is WLTP where available (NEDC shown for older years). Consumption is l/100km for combustion, Wh/km for electric.

Year	Fuel	Registrations	CO2 WLTP	CO2 NEDC	Consumption	Mass kg	Power kW
2020	Diesel	152	179 g/km	158.4 g/km	-	2,045	250
2019	Diesel	144	179.5 g/km	156.9 g/km	-	2,045	250
2018	Diesel	212	172.2 g/km	143.3 g/km	-	2,025	250
2017	Diesel	67	-	138.7 g/km	-	2,011	250
2016	Diesel	10	-	-	-	2,020	250

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Source: European Environment Agency, CO2 emissions from new passenger cars (Regulation (EU) 2019/631 monitoring), CC-BY 4.0, attribution EEA / DG CLIMA. Figures are fleet averages of new registrations, not per-vehicle values. Details on About & Data Sources.