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2023 Mercedes-Benz SL-Class AMG SL 55 4MATIC+

All Mercedes-Benz SL-Class R232 trims (2022–present) → All Mercedes-Benz SL-Class generations →
2023 Mercedes-Benz SL-Class – front Unverified
Photo: 2023 Mercedes-Benz SL55 AMG Touring+ 4Matic - 3982cc 4.0 (475PS) Petrol - Opalite White - 02-2024, Front by Harvey Bold, CC BY 4.0, via Wikimedia Commons
Photos show the R232 (R232, 2022–present); trim, color, and model year may differ.
All photo credits
  1. Photo: 2023 Mercedes-Benz SL55 AMG Touring+ 4Matic - 3982cc 4.0 (475PS) Petrol - Opalite White - 02-2024, Front by Harvey Bold, CC BY 4.0, via Wikimedia Commons
  2. Photo: Mercedes-AMG SL 55 4MATIC+ (R 232) – f 12102025 by © M 93, CC BY-SA 3.0 de, via Wikimedia Commons
  3. Photo: Mercedes-AMG SL 55 4MATIC+ (R 232) – f1 12102025 by © M 93, CC BY-SA 3.0 de, via Wikimedia Commons
  4. Photo: 2023 Mercedes-Benz SL55 AMG Touring+ 4Matic - 3982cc 4.0 (475PS) Petrol - Opalite White - 02-2024, Rear by Harvey Bold, CC BY 4.0, via Wikimedia Commons
  5. Photo: 2022 Mercedes-AMG SL 55 rear white by MrWalkr, CC BY-SA 4.0, via Wikimedia Commons

The 2023 Mercedes-Benz SL-Class AMG SL 55 4MATIC+ is a 469-hp 4.0-liter turbocharged V8 with an amg speedshift mct 9g. It is rated at 16 mpg combined.

It makes 469 horsepower at 5,500 rpm and 516 lb-ft of torque at 2250-4500 rpm. EPA fuel-economy estimates are 13 mpg city and 21 mpg highway (16 mpg combined).

The SL-Class measures 185.2 inches long on a 106.3-inch wheelbase.

Spec Value
Vehicle
Body TypeConvertible
PowertrainGas
Engine
Engine TypeHandcrafted AMG 4.0L V8 Biturbo
Displacement3.982 L
Horsepower469 hp @ 5,500 rpm
Torque516 lb-ft @ 2250-4500 rpm
Drivetrain
Drive TypeAMG Performance 4MATIC+
Transmission
TransmissionAMG SPEEDSHIFT MCT 9G
Fuel Economy
City13 MPG
Highway21 MPG
Combined16 MPG
Recommended FuelPremium Gasoline
Dimensions & Weight
Length185.2 in
Width75.4 in
Height53.5 in
Wheelbase106.3 in

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Safety & Recalls

NCAP safety ratings

Tested, but no star ratings were published (2023 Mercedes-Benz SL-Class C AWD).

Recalls

No recalls on file with NHTSA for the 2023 Mercedes-Benz SL-CLASS.

1 owner complaint to NHTSA for the 2023 Mercedes-Benz SL-CLASS

Owner Complaints

1 owner complaint filed with NHTSA for the 2023 Mercedes-Benz SL-CLASS (1 mention a crash). See all on nhtsa.gov

Most-cited areas
Electrical System1
Forward Collision Avoidance1
Steering1
A complaint can cite more than one area.
Most recent complaints
Jan 21, 2025 · Steering, Electrical System, Forward Collision Avoidance Crash
“My mom and I were in her car brand new Mercedes adaptive cruise was on the car started to act up with all the warning lights again, which shut all safety systems down air back seatbelts, adaptive…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2023 MERCEDES-BENZ SL-CLASS. US-market vehicles only; data cached for up to 7 days.

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