Mercedes use their turbocharged 2.0-liter four-cylinder M254 engine for the rear-wheel-drive GLC 300 and all-wheel-drive GLC 300 4Matic. The powertrain features 48-volt mild hybrid technology, with a second-generation integrated starter-generator (ISG). The GLC 300 produces 258 horsepower (192 kilowatts) and 295 pound-feet (400 Newton-meters) of torque, with the ISG providing an additional 23 hp (17 kW) and a torque increase of 148 lb-ft (200 Nm)