2023 Mercedes-Benz Amg SL63 4matic+: Recalls, Problems & MPG
Here are the deets on the 2023 Mercedes-Benz Amg SL63 4matic+: 1 recall, 0 owner complaints and up to 16 mpg combined.
Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Electrical Vehicle recall #25V255000 · 2025 · 443 vehicles
What's wrong: An incorrect fuse box that was not designed for the vehicle May have been installed.
Why it matters: An incorrect fuse box can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster, increasing the risk of a crash or injury. Additionally, there could be an increased risk of a fire.
The fix: Dealers will inspect and replace the main fuse boxes, free of charge. Owner notification letters were mailed June 6, 2025.
Most-reported problems
No owner complaints have been filed with NHTSA for the 2023 Mercedes-Benz Amg SL63 4matic+ so far.
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.0 L 8-cyl turbo | Automatic 9-spd | All-Wheel Drive | 14 | 22 | 16 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2023 Mercedes-Benz Amg SL63 4matic+.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2023 Mercedes-Benz Amg SL63 4matic+ have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2023 Mercedes-Benz Amg SL63 4matic+. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What gas mileage does the 2023 Mercedes-Benz Amg SL63 4matic+ get?
EPA ratings run up to 16 mpg combined (4.0 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2023 Mercedes-Benz Amg SL63 4matic+ repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.