2020 Mercedes-Benz CLS 450 Problems, Complaints & Recalls
- Compared with other CLS 450 years
- Not enough data 2nd of 5 for complaints
- Safety recalls
- 5 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 5 complaints with NHTSA about the 2020 Mercedes-Benz CLS 450. That ranks 2nd out of 5 CLS 450 model years for complaints. The most reported problem area is electrical system (4 complaints, 80%), typically at around 12,000 miles. There are 5 safety recalls covering this model year.
- 5owner complaints
- 5safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2020 Mercedes-Benz CLS 450 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 4 | 80% | 12,000 | — | — |
| Engine | 1 | 20% | 2,000 | — | — |
| Wheels | 1 | 20% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2020 Mercedes-Benz CLS 450 recalls (5)
Tap a recall to see the problem, the risk and the fix.
Electrical system:12v/24v/48v battery
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 CLS450 Coupe and AMG E53, 2019-2021 AMG CLS53 Coupe, and 2021-2022 E450 vehicles. 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.
Risk: 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.
Fix: Dealers will secure the 12V battery, free of charge. Owner notification letters were mailed January 20, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022100009.
Electrical system:software; communication: auto crash notification
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. 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.
Risk: 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.
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
Back over prevention:display function
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. 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."
Risk: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
Fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.
Communication: auto crash notification
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
Risk: A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Fix: MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
Communication: auto crash notification; electrical system:software
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. 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.
Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
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. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
I purchased my 2020 Mercedes-Benz CLS 450 with approximately 12,000 miles on 08/16/2022. Throughout the course of my ownership the vehicle has had multiple sets of tires replaced due to them either being prematurely bald, developing multiple bubbles, or shredding due to cracked rims. Along with the…
The contact owns a 2020 Mercedes-Benz CLS450. The contact received notification of NHTSA Campaign Number: 22V733000 (Electrical System) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair…
******* delete voq ******* this complaint is being marked for deletion because it is an inadvertent duplicate of odi# 11496545*djr ******* delete voq *******
The contact owns a 2020 Mercedes-Benz CLS450. The contact received notification of NHTSA Campaign Number: 22V533000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable…
The 2020 mercedes cls has a known defect in their 48v system that turns the engine off in locations with high het zones. I was told by the mercedes service department this has been occurring in arizona, new mexico, florida, nevada and saudi arabia. It's a know issue that they are unable to fix…
Other Mercedes-Benz CLS 450 years
← 2019 CLS 450 · 2021 CLS 450 →
| Year | Complaints | Recalls |
|---|---|---|
| 2023 CLS 450 | 3 | 3 |
| 2022 CLS 450 | 3 | 6 |
| 2021 CLS 450 | 1 | 8 |
| 2020 | 5 | 5 |
| 2019 CLS 450 | 14 | 12 |
See all Mercedes-Benz CLS 450 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2020 Mercedes-Benz CLS 450?
Owners most often report electrical system, engine, wheels problems. The top one, electrical system, accounts for 4 complaints.
Was there a recall on the 2020 Mercedes-Benz CLS 450?
Yes, 5 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2020 Mercedes-Benz CLS 450 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other CLS 450 model years, the 2020 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.