2019 Mercedes-Benz Cls 450: Recalls, Problems & MPG
Here are the deets on the 2019 Mercedes-Benz Cls 450: 12 recalls, 14 owner complaints and up to 26 mpg combined.
Recalls
12 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Airbags Vehicle recall #18V515000 · 2018 · 345 vehicles
What's wrong: The occupant classification system (ocs) May not be properly calibrated, resulting in the front passenger air bag not being deactivated if a child seat is in the front seat.
Why it matters: If a child seat is in the front seat and the passenger air bag is not deactivated, in the event of a crash, it can increase the risk of injury.
The fix: Mbusa will notify owners, and dealers will replace the front passenger seat cushion, free of charge. The recall began November 26, 2018.
Electrical Vehicle recall #18V761000 · 2018 · 119 vehicles
What's wrong: The central powertrain controller (cpc) control unit could reset while driving, possibly causing an engine stall.
Why it matters: An engine stall can increase the risk of a crash.
The fix: Mbusa will notify owners, and dealers will update the cpc control unit software, free of charge. The recall began April 12, 2019.
Steering Vehicle recall #18V850000 · 2018 · 6,373 vehicles
What's wrong: A locknut in the steering rack May break under high load, possibly causing the steering to become stuck in one position.
Why it matters: A car that cannot be properly steered has an increased risk of a crash.
The fix: Mbusa will notify owners, and dealers will replace the steering rack, free of charge. The recall began August 23, 2019.
Exterior lights Vehicle recall #18V911000 · 2018 · 104 vehicles
What's wrong: The horizontal adjustment screw May not be effectively sealed, allowing the headlights to be improperly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (fmvss) number 108, "lamps, reflective devices, & associated equipment."
Why it matters: If the headlights are not properly adjusted, the driver May have reduced visibility, increasing the risk of a crash.
The fix: Mbusa has notified owners, and dealers will inspect the horizontal headlight adjustment screws, sealing them as necessary, free of charge. The recall began March 15, 2019.
Forward collision avoidance Vehicle recall #19V540000 · 2019 · 1,957 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019 c300 cabrio, c300a cabrio 4matic, c300 coupe, c300 coupe 4matic, c300, c300 4matic, c43 amg cabrio 4matic, c43 amg coupe 4matic, c43 amg 4matic, c63 amg cabrio, c63s amg cabrio, c63 amg coupe, c63s amg coupe, c63 amg, c63s amg, cls450, cls450 4matic, cls53 amg 4matic, e300, e300 4matic, e450 cabrio, e450 cabrio 4matic, e450 coupe, e450 coupe 4matic, e450…
Why it matters: An impaired active brake assist May not automatically apply partial or full braking as expected, increasing the risk of a crash.
The fix: Mbusa will notify owners, and dealers will update the radar sensor control unit software, free of charge. The recall began September 13, 2019.
Electrical, Engine & cooling Vehicle recall #19V605000 · 2019 · 3,264 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019 cls 450 coupe and cls 450 coupe 4matic vehicles equipped with 6-cylinder gasoline engines. The electrical line that supplies power to the engine coolant pump May contact the engine fan and chafe, possibly causing a malfunction of the coolant pump or a deactivation of the 48v on-board electrical system.
Why it matters: A malfunctioning engine coolant pump can increase coolant temperatures, possibly leading to an engine stall. Deactivation of the 48v on-board electrical system can cause the vehicle to not restart after using the eco start/stop function or "glide" mode. Either of these scenarios can increase the…
The fix: Mbusa will notify owners, and dealers will inspect the coolant pump electrical line for damage, repairing it and rerouting it as necessary, free of charge. The recall began November 1, 2019.
Seat belts Vehicle recall #19V788000 · 2019 · 29,720 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2018 e400 wagon 4matic, e400 4matic, e43 amg 4matic, 2018-2019 e63s amg 4matic wagon, e63 amg 4matic wagon, e300, e300 4matic, glc63s coupe amg 4matic, 2019 cls450, cls450 4matic, cls53 amg 4matic, e450 wagon, e53 amg 4matic, glc300, glc63 amg coupe 4matic, g550 4matic, g63 amg, glc300 coupe 4matic, glc300 4matic, glc350e 4matic, glc43 amg coupe 4matic, glc43 amg…
Why it matters: The electric pre-safeâ®-function and the seat belt pretensioners May not deploy during a crash, increasing the risk of injury.
The fix: Mbusa will notify owners, and dealers will inspect the front seat belt buckles, replacing them as necessary, free of charge. The recall began March 13, 2020.
Electrical, Seat belts Vehicle recall #20V449000 · 2020 · 56 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019 c300, c300 coupe, cls450, e450 coupe and s450, 2017-2019 e300, 2018 e400 coupe, e400 stationwagon, and 2018-2019 s560 vehicles that have previously had the instrument cluster replaced. The software in the replaced instrument cluster May cause the seat belt warning system to not operate properly, only displaying a solid warning light if either the driver or…
Why it matters: Without the audible tone and blinking warning light to remind the front seat occupants that their seat belts are not buckled, they May forget to buckle their seat belt, increasing their risk of injury in the event of a crash.
The fix: Mbusa will notify owners, and dealers will update the instrument cluster software, free of charge. The recall began September 8, 2020.
Communication, Electrical Vehicle recall #21V058000 · 2021 · 1,292,258 vehicles
What's wrong: Please refer to the part 573 report for specific vehicle model details. The software design of the communication module May fail to communicate the correct vehicle location for the emergency call system (ecall) in the event of a crash.
Why it matters: Failure of the ecall system May result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
The fix: Mbusa will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (ota) update, free of charge. The recall began March 12, 2021.
Backup camera Vehicle recall #22V232000 · 2022 · 126,443 vehicles
What's wrong: Please refer to mbusa's recall report for specific vehicle model details. The rearview camera May not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "rear visibility."
Why it matters: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
The fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022.
Communication, Electrical Vehicle recall #22V365000 · 2022 · 242,722 vehicles
What's wrong: Please refer to mbusa's recall report for specific vehicle model details. An error in the communication module's sim card software can cause a mobile network connection failure, disabling the emergency call (ecall) system.
Why it matters: A disabled ecall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
The fix: The communication module software will be updated through an over-the-air (ota) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024.
Electrical Vehicle recall #22V733000 · 2022 · 19,968 vehicles
What's wrong: The 12-volt battery in the trunk May not be properly secured, which, in the event of a crash, can cause electrical connection failure, disabling various safety features including, emergency call (ecall) system, electric seat adjustment, hazard warning lights, and automatic door locks.
Why it matters: The inability to operate safety features (ecall system, hazard lights, electric seats, or automatic door locks) can increase the risk of injury during a crash.
The fix: Dealers will secure the 12v battery, free of charge. Owner notification letters were mailed January 20, 2023.
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 (5): the most common themes are tire tread / blowout (3).
- Steering (3): the most common themes are steering problems (2).
- Electrical (3): the most common themes are electrical failure (3).
- Suspension (2): no single recurring theme in the descriptions.
The 2019 Mercedes-Benz Cls 450 has 14 owner complaints, ranking #1 of 5 Cls 450 model years for complaints (2.7× the average Cls 450 year). Complaints peaked in 2019 (3 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 1,740 miles. Neighboring years: 2020 (5 complaints, 5 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.0 L 6-cyl turbo hybrid | Automatic 9-spd | Rear-Wheel Drive | 24 | 31 | 26 | 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 2019 Mercedes-Benz Cls 450.
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FAQ
Does the 2019 Mercedes-Benz Cls 450 have any recalls?
Yes. NHTSA lists 12 vehicle recalls for the 2019 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 2019 Mercedes-Benz Cls 450 problems?
Owners have filed 14 complaints with NHTSA. The most-reported areas are wheels (5), steering (3), electrical (3).
What gas mileage does the 2019 Mercedes-Benz Cls 450 get?
EPA ratings run up to 26 mpg combined (3.0 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2019 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.