- Mercedes-Benz will change the SL’s four-cylinder engine with a straight-six unit.
- The automaker is making the swap to fulfill stricter emissions rules.
- The brand new SL53 will allegedly arrive with the automotive’s facelift in 2027.
Mercedes-Benz is reportedly making an enormous change to the entry-level SL. With its upcoming 2027 facelift, the automaker will change the present automotive’s four-cylinder engine with a six-cylinder one.
In keeping with a brand new Auto Motor Und Sport report, Mercedes will discontinue the M139 engine that powers the SL43 as a result of it doesn’t meet Euro 7 emissions requirements. The automaker will allegedly change it with the M256 Evo, the three.0-liter inline-six mild-hybrid engine, and name it the AMG SL53.
The brand new engine will supposedly produce 449 horsepower and be supplemented by a 23-hp built-in starter-generator. The SL53 may also come commonplace with all-wheel drive, in contrast to the SL43, which was rear-wheel drive.
The SL’s V8
The report additionally says Mercedes will tweak the V8 that powers the SL55 and SL63. The dual-turbocharged 4.0-liter engine will swap from a cross-plane crank to a flat-plane crank, growing efficiency whereas nonetheless assembly the brand new emissions rules.
The engine will produce 537 hp within the SL55 and an astounding 650 hp within the SL63. The present 55 makes 469 horsepower and 516 lb-ft, whereas the 63 would see a major enhance, leaping from 577 hp to 650 hp.
The report provided no particulars in regards to the SL63 S E Performance plug-in hybrid, which pairs the V8 to an electrical motor. It makes 805 hp, however the brand new V8 might push that over 880 hp, we hope.
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Motor1’s Take: This could be one of many few occasions that emissions rules profit lovers. Mercedes should replace its powertrain lineup, and consequently, patrons get a greater engine within the entry-level providing and extra energy on the high finish. That’s a win-win.
