Reports: Mercedes could drop four-cylinder SL; could replace it with straight-six

Mercedes-AMG Dropping Four-Cylinder SL43 For Six-Cylinder SL53

Reports suggest the existing M139 engine used in the SL43 will be phased out, largely because it won’t comply with upcoming Euro 7 emissions rules.

Reports: Mercedes could drop four-cylinder SL; could replace it with straight-six

New Delhi: Mercedes-Benz are reportedly making a big change to the entry-level of the SL. With its upcoming 2027 facelift, the carmaker could replace the present car’s four-cylinder engine with a six-cylinder. As per the Auto Motor Und Sport report, Mercedes might discontinue the M139 engine that is in the SL43, as it doesn’t meet Euro 7 emissions standards. The brand will allegedly replace it with the M256 Evo, a 3.0-litre inline-six mild-hybri…

The Next Mercedes-AMG SL Will Likely Abandon the Base Four-Cylinder Engine

The AMG SL 43 is likely to be replaced by the SL 53, which would feature a mild-hybrid inline-six. This larger engine reportedly generates fewer emissions than the current four-cylinder. The SL 53 should generate 449 horsepower and come standard with all-wheel drive, unlike the SL 43. While lowering tailpipe emissions usually implies smaller engines, …