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The Mercedes-Benz CLS 53 AMG 4MATIC+ W257 features turbocharged and electrically-assisted 3.0-liter M256 inline-six engine producing 429 horsepower (320 kW) with 384 pound-feet (520 Nm) torque supplemented by EQ Boost 48-volt mild-hybrid system adding 21 horsepower (16 kW) and 184 pound-feet (250 Nm) temporary boost through nine-speed MCT multi-clutch transmission and 4MATIC+ all-wheel-drive achieving 4.4-second 0-60 mph acceleration and electronically-limited 155 mph top speed. The performance sedan incorporates AMG Ride Control+ adaptive air suspension, electronic limited-slip differential, AMG Performance 4MATIC+ torque vectoring, and AMG Dynamic Select drive modes.
CLS 53 launched 2018 represents second-generation four-door coupe featuring third iteration of Mercedes distinctive CLS design language combining coupe proportions with four-door practicality positioned between E-Class and S-Class utilizing MRA platform with advanced 48-volt electrical architecture enabling electric compressor for immediate turbocharger response and integrated starter-generator for smooth start-stop operation demonstrating Mercedes-AMG electrification strategy maintaining performance character while improving efficiency in the premium executive coupe segment.