2023 Mercedes-Benz CLS-Class: recalls, fuel economy and safety ratings
EPA rates the 2023 Mercedes-Benz CLS-Class at 25 mpg combined across 1 version. NHTSA lists 3 safety recalls and 3 owner complaints for this model year.
Safety recalls
3
EPA combined mpg
25
NHTSA overall rating
—
Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT
NHTSA lists this vehicle as CLS 450.
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Mercedes-Benz dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2023 Mercedes-Benz CLS-Class recalls
NHTSA's recall file lists 3 safety recalls for the 2023 Mercedes-Benz CLS-Class, newest first.
Electrical system: Wiring
NHTSA 24V100000Reported Feb 9, 2024
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2024MMNNNN)
Units affected
12,191 (estimate)
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 CLS450, E450, E450 All-Terrain, AMG E53, AMG GT43, AMG GT53, and 2021 AMG CLS53 vehicles. The 48-volt ground cable connection located in the engine compartment may not be tightened properly and may result in the ground cable overheating.
Risk
An overheated ground cable increases the risk of a fire.
Remedy
Dealers will inspect the 48-volt ground cable connection and repair it as necessary, free of charge. Owner notification letters were mailed March 22, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024MMNNNN.
Mercedes-Benz USA, LLC (manufacturer recall no. 2023080005)
Units affected
880 (estimate)
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 E450, E350, AMG E63 S, AMG E53, CLS450, AMG GT53, and AMG GT43 vehicles. Due to a software error, the exit warning system audio and visual warnings may fail to alert occupants about approaching vehicles.
Risk
Failure to alert occupants of an approaching vehicle can increase the risk of a crash or injury.
Remedy
Dealers will update the exit warning system software, free of charge. Owner notification letters were mailed September 8, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023080005.
Mercedes-Benz USA, LLC (manufacturer recall no. 2023070012)
Units affected
143,551 (estimate)
Problem
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.
Risk
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.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
Advertisement
2023 Mercedes-Benz CLS-Class fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2023 Mercedes-Benz CLS-Class crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
Advertisement
2023 Mercedes-Benz CLS-Class owner complaints
Owners have filed 3 complaints with NHTSA about the 2023 Mercedes-Benz CLS-Class, most recently on Mar 16, 2026. 0 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2023 Mercedes-Benz CLS-Class complaints
Component named in complaints
Mentions
Wheels
3
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
