• After first revealing the Mercedes-AMG SL43 final 12 months, the German model has now determined to convey the four-cylinder variant of its grand tourer to the US.
• The SL43 makes use of the identical progressive setup because the AMG C43 sedan, with an electrical motor built-in into the turbocharger, decreasing lag.
• The 2023 Mercedes-AMG SL43 will value $111,050 when it goes on sale this summer time.

The Mercedes-AMG SL43 debuted for Europe last year, sporting a 375-horsepower turbocharged four-cylinder engine with electrical help and know-how borrowed from System 1 racing. On the time, Mercedes was nonetheless weighing whether or not it could convey the SL43 stateside, however now the German automaker has confirmed that the SL43 will attain the American market as a 2023 mannequin, with gross sales set to kick off this summer time.

The SL43 serves because the entry-level mannequin for the SL lineup, with 4 fewer cylinders beneath the hood than its V-8–powered SL55 and SL63 siblings. Though the SL43 cannot match the potent outputs of the V-8 fashions, the M139 inline-four—the identical engine discovered within the CLA45 and GLA45 AMG—nonetheless churns out a formidable 354 pound-feet of torque to associate with the 375 ponies.

The SL43 makes that energy in an uncommon approach. The turbocharger strapped to the two.0-liter engine consists of an electrical motor together with the standard exhaust-gas plumbing. The motor—a 1.6-inch-wide unit slotted onto the shaft between the turbine and compressor wheel—can spin the compressor wheel earlier than the exhaust gases do. This guarantees to attenuate turbo lag, and the e-motor can even preserve enhance strain beneath braking or when the automotive is coasting so the turbo is at all times able to go when the driving force will get again on the throttle. The Mercedes-AMG System 1 group makes use of the identical know-how in its turbocharged 1.6-liter V-6 hybrid race vehicles, and the C43 AMG sedan that debuted final spring options the identical powertrain with an additional 27 horsepower.

The 48-volt belt-driven starter-generator that powers the turbocharger’s e-motor can even present an additional 13 hp in short spurts. Mercedes says this jolt of energy happens at decrease rpm and does not enhance the general 375-hp peak output. The 48-volt tech additionally permits the start-stop system to work extra easily and might regenerate power beneath deceleration.

The longitudinally mounted engine is paired with a nine-speed computerized transmission that makes use of AMG’s regular moist clutch pack as a substitute of a torque converter. Mercedes claims the rear-wheel-drive SL43 will hit 60 mph in 4.8 seconds and can max out at an electronically restricted 170 mph.

The visible modifications for the SL43 are minimal, with less complicated styling for the entrance and rear bumpers and spherical tailpipes as a substitute of the squared-off retailers on the eight-cylinder SLs. The usual wheels measure 19 inches throughout, however the SL43 may also be ordered with 20- or 21-inch wheels. The opulent cabin is unchanged for the entry-level mannequin, and power-adjustable heated and cooled Nappa leather-based seats come customary. The 2023 Mercedes-AMG SL43 will begin at $111,050, undercutting the V-8 SL55 by practically $30,000.

This content material is imported from ballot. You could possibly discover the identical content material in one other format, otherwise you could possibly discover extra info, at their website online.

Affiliate Information Editor

Caleb Miller started running a blog about vehicles at 13 years outdated, and he realized his dream of writing for a automotive journal after graduating from Carnegie Mellon College and becoming a member of the Automobile and Driver group. He loves quirky and obscure autos, aiming to at some point personal one thing weird like a Nissan S-Cargo, and is an avid motorsports fan.