[Aika Auto Overseas New Car Original]
Recently, foreign media revealed that Mercedes-Benz is expected to officially release the Mercedes-AMG SL equipped with a four-cylinder engine this spring. It is reported that the new car may be named Mercedes-AMG SL 43, and the new car is expected to be equipped with a 2.0T+48V light hybrid system named "E-turbo".
Although the SL model with a four-cylinder engine is bound to be dissatisfied and attacked by many "SL fundamentalists", the upcoming new car is by no means the first "four-cylinder SL" in the history of Mercedes-Benz. As early as the 1950s, Mercedes-Benz was the originator of the SL series, the 190SL, equipped with a 1.9-liter four-cylinder engine from a in-line 6-cylinder engine on the 300SL.
The 190SL was the first SL model in history to be equipped with a four-cylinder engine
It is reported that the M254 engine equipped in the future on the new car will have a maximum power of 390 horsepower under the blessing of electric turbocharging, and the light hybrid motor can also provide an additional 20 horsepower. It is reported that the core technology of the "E-turbo" is a small motor installed on the turbocharger shaft. Its role is to drive the turbine with electricity before the turbo has reached its operating speed to improve turbine hysteresis, low torque and throttle response.
According to the information disclosed by foreign media, the motor supports working at a maximum speed of 17,000 revolutions per minute, which means that even if the driver completely releases the accelerator pedal at high speed, E-turbo can still maintain a certain turbo pressure through electricity.
In addition, in addition to the Mercedes-AMG SL model, Mercedes-Benz will also be equipped with E-turbo technology on the new generation of Mercedes-AMG C 63 and the Hypercar AMG ONE that has "jumped several times", both of which will be launched within the year according to the plan.
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