Mercedes-Benz upgrades M 252 LS engine for improved power and efficiency
The Mercedes-Benz M 252 LS engine features F1-inspired electric turbo technology alongside new high-voltage battery cell developments. Image: Mercedes-Benz Mercedes-Benz has enhanced its existing M 252 petrol engine in the GLB 250 for improved performance and efficiency. The new M 252 LS produces 170 kW, plus an additional 23 kW via an MHEV (mild-hybrid electric vehicle) system. The unit introduces an electric exhaust gas turbocharger powered by a 48 V system inspired by Formula 1-inspired technology. Mercedes-Benz claims the setup delivers immediate throttle response across the entire rev range. The M 252 LS offers improved performance, while fuel consumption is significantly decreased. The German brand’s updated engine reduces the GLB 250’s claimed 0-100 km/h acceleration time by 0.1 seconds, to 6.8 seconds. Carbon emissions drop by approximately 17% compared to the previous design. The electric gas turbocharger recovers exhaust energy to charge the onboard battery. Du...