Mercedes Classe B consumption

Discover all fuel consumption figures for the Mercedes Classe B (2026), including consumption at low, medium and high speeds, CO₂ emissions in city and highway driving and much more. Data based on WLTP, NEDC, EPA or CLTC tests.

Detailed fuel consumption: from emissions to range (2026)

Petrol versions

Minimum consumption (WLTP)	6.0–6.6 l/100 km
Maximum consumption (WLTP)	7.5–7.7 l/100 km
Minimum CO₂ emissions (WLTP)	137–151 g/km
Maximum CO₂ emissions (WLTP)	171–176 g/km

Plug-in hybrid versions

Consumption (WLTP)	0.9–1.2 l/100 km
CO₂ emissions (WLTP)	21–27 g/km

Diesel versions

Minimum consumption (WLTP)	5.1–5.6 l/100 km
Maximum consumption (WLTP)	5.2–5.7 l/100 km
Minimum CO₂ emissions (WLTP)	134–148 g/km
Maximum CO₂ emissions (WLTP)	137–148 g/km

Differences between versions

Fuel consumption figures for the Mercedes Classe B 2026 vary depending on the version. Below you will find the specific technical specifications.

Fuel type	Version
Diesel	Consumption Classe B B 180 d 116 hp
Diesel	Consumption Classe B B 200 d 150 hp
Diesel	Consumption Classe B B 220 d 190 hp
Mild hybrid petrol	Consumption Classe B B 180 136 hp
Mild hybrid petrol	Consumption Classe B B 200 163 hp
Mild hybrid petrol	Consumption Classe B B 220 4MATIC 190 hp AWD
Mild hybrid petrol	Consumption Classe B B 250 4MATIC 224 hp AWD
Plug-in hybrid	Consumption Classe B B 250 e 218 hp