Petrol engines (Mercedes S class) are generally quieter, smoother, and better suited for short trips due to quicker warm-up times. Diesel (Mercedes CLS) engines, on the other hand, offer superior fuel efficiency and torque, making them ideal for long-distance driving and heavy loads. Read more: Petrol vs. Diesel: Fuel Economy and Key Differences.
Performance
Power:
455 HP
286 HP
Torque:
700 NM
600 NM
Acceleration 0-100 km/h:
n/a seconds
5.7 seconds
Mercedes S class engine produces 169 HP more power than Mercedes CLS, whereas torque is 100 NM more than Mercedes CLS.
Both cars are similar in size. Mercedes S class is 3 cm longer than the Mercedes CLS, width is practically the same , while the height of Mercedes S class is 1 cm lower.