2023 Mercedes-Benz SL-Class
The Verdict
Worst problem area
Electrical
The only complaint filed mentions Electrical.
Complaints filed fell from 8 in 2022 to 1 in 2023.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2022 | 2023 | 2024 | 2025 | vs. 2023 Minicompact Cars |
|---|---|---|---|---|---|
| Annual fuel cost ($) | 4,850 | 3,350–4,850 | 3,500–4,850 | 3,500–4,850 | |
| Combined MPG | 16 | 16–23 | 16–22 | 16–22 | |
| City / Highway MPG | 14 / 21 | 13–21 / 21–27 | 14–20 / 21–27 | 13–19 / 21–27 | |
| CO₂ tailpipe (g/mi) | 546 | 385–562 | 398–548 | 400–558 | |
| Complaints filed | 8 | 1 | 0 | 0 | |
| Recalls issued | 4 | 5 | 2 | 0 | |
| Crash-involved complaints | 0 | 1 | 0 | 0 | |
| Fire-involved complaints | 0 | 0 | 0 | 0 | |
| Injuries reported | 1 | 0 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | 0 | |
| Configurations compared | 2 | 2 | 2 | 4 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2023 Mercedes-Benz SL-Class have?
5 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What gas mileage does the 2023 Mercedes-Benz SL-Class get?
EPA rates it 16–23 MPG combined.
How much does it cost to fuel a 2023 Mercedes-Benz SL-Class?
EPA estimates $3,350–$4,850 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (3)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 9-spd | 8 | 4.0L | All-Wheel Drive | Premium | Minicompact Cars | 14 mpg | 22 mpg | 16 mpg (low) | $4,850 (high) | 544 g/mi |
| Configuration 2 | Automatic 9-spd | 8 | 4.0L | All-Wheel Drive | Premium | Minicompact Cars | 13 mpg (low) | 21 mpg (low) | 16 mpg (low) | $4,850 (high) | 562 g/mi (high) |
| Configuration 3 | Automatic 9-spd | 4 | 2.0L | Rear-Wheel Drive | Premium | Two Seaters | 21 mpg (high) | 27 mpg (high) | 23 mpg (high) | $3,350 (low) | 385 g/mi (low) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 0 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 0 | 0 | 0 | 0 | 0 |
| Fuel System | 0 | 0 | 0 | 0 | 0 |
| Electrical | 1 | 1 | 0 | 0 | 0 |
| Brakes | 0 | 0 | 0 | 0 | 0 |
| Steering | 1 | 1 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 0 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 0 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 1 | 1 | 0 | 0 | 0 |
| Body, Seats & Latches | 0 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 0 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (5)
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS · Campaign 25V255000 · Apr 18, 2025
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C-Class, E-Class, S-Class, SL, GLC, EQE SUV, EQE, EQS SUV, and EQS vehicles that were incorrectly repaired under recall 24V-115. An incorrect fuse box that was not designed for the vehicle may have been installed.
Consequence: 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.
Remedy: Dealers will inspect and replace the main fuse boxes, free of charge. Owner notification letters were mailed June 6, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025050003/4.
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS · Campaign 24V115000 · Feb 20, 2024
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C300, AMG C43, S580e, S580, Maybach S580, Maybach S680, AMG SL43, AMGSL63, GLC300, EQE350, EQE500, EQS450, EQS580, AMG EQS, 2023 S500, AMG SL55, AMG EQE, 2024 E350, E450, AMG C63e S, CLE300 Coupe, CLE450 Coupe, and GLC300 Coupe vehicles. The 80-Amp fuses may have been manufactured incorrectly, which can cause the fuses to fail.
Consequence: An 80-Amp fuse that fails 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.
Remedy: Dealers will replace the main fuse boxes, free of charge. Owner notification letters were mailed April 5, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024030008.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP · Campaign 23V880000 · Dec 26, 2023
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.
Consequence: A loss of drive power can increase the risk of a crash.
Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.
ELECTRICAL SYSTEM:WIRING · Campaign 23V676000 · Oct 10, 2023
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG SL55 and AMG SL63 vehicles. The electrical wiring harness for the starter and alternator may not be secured properly, which can result in a short circuit and a loss of drive power or cause the harness to overheat.
Consequence: A loss of drive power can increase the risk of a crash, and an overheated electrical wiring harness can increase the risk of a fire.
Remedy: Dealers will secure the electrical wiring harness for the starter and alternator, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023100014.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP · Campaign 23V445000 · Jun 26, 2023
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Consequence: A loss of drive power can increase the risk of a crash.
Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.