2023 Mercedes-Benz Cls 450: Recalls, Problems & MPG
Here are the deets on the 2023 Mercedes-Benz Cls 450: 3 recalls, 3 owner complaints and up to 25 mpg combined.

Recalls
3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Fuel system Vehicle recall #23V445000 · 2023 · 143,551 vehicles
What's wrong: 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.
Why it matters: A loss of drive power can increase the risk of a crash.
The fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024.
Electrical Vehicle recall #23V574000 · 2023 · 880 vehicles
What's wrong: Due to a software error, the exit warning system audio and visual warnings May fail to alert occupants about approaching vehicles.
Why it matters: Failure to alert occupants of an approaching vehicle can increase the risk of a crash or injury.
The fix: Dealers will update the exit warning system software, free of charge. Owner notification letters were mailed September 8, 2023.
Electrical Vehicle recall #24V100000 · 2024 · 12,191 vehicles
What's wrong: The 48-volt ground cable connection located in the engine compartment May not be tightened properly and May result in the ground cable overheating.
Why it matters: An overheated ground cable increases the risk of a fire.
The fix: 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.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Wheels (3): the most common themes are tire tread / blowout (3).
The 2023 Mercedes-Benz Cls 450 has 3 owner complaints, ranking #4 of 5 Cls 450 model years for complaints (well below the 5 average). Neighboring years: 2022 (3 complaints, 6 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.0 L 6-cyl turbo hybrid | Automatic 9-spd | All-Wheel Drive | 22 | 30 | 25 | 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 Cls 450.
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.
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FAQ
Does the 2023 Mercedes-Benz Cls 450 have any recalls?
Yes. NHTSA lists 3 vehicle recalls for the 2023 Mercedes-Benz Cls 450. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2023 Mercedes-Benz Cls 450 problems?
Owners have filed 3 complaints with NHTSA. The most-reported areas are wheels (3).
What gas mileage does the 2023 Mercedes-Benz Cls 450 get?
EPA ratings run up to 25 mpg combined (3.0 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2023 Mercedes-Benz Cls 450 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.