Mercedes-Benz India has launched a new diesel engine option for the B-Class car. The B 180 Blue EFFICIENCY model comes with a 2.1 liter 4 cylinder inline diesel engine producing 109 bhp with 250 Nm of torque and a 7-speed automatic transmission. Prices start at 22.6 lakh rupees in Delhi and Mumbai. Key features include 16-inch alloy wheels, halogen headlamps, and a cruise control system. Fuel efficiency is rated at 13.62 kmpl in the city and 18.98 kmpl on the highway.