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2017 Mercedes-Benz CLS-Class: problems, recalls and fuel economy
NHTSA has just 1 owner complaint on file for the 2017 CLS-Class[1]. One recall applies, and it involves the emergency call system[2].
Most reported problems
There is very little complaint data for this model year. NHTSA lists 1 complaint[1]. It names the wheels group and mentions no crash, fire or injury[5].
In the one complaint we read, the owner describes repeated blowouts and says the wheels are defective[5]. One report is not a pattern. These are unverified owner reports, so treat it as a single data point.
Recalls
One recall is on file for this model year.
- Emergency call software (21V058). Dated February 5, 2021[2]. The software in the communication module may send the wrong vehicle location to the emergency call system (eCall) after a crash. The risk is that emergency responders could be sent to the wrong place, which raises the risk of injury. The remedy is a software update, done by a dealer or over the air, free of charge. The recall began March 12, 2021[2].
This recall covers certain 2016 to 2021 Mercedes-Benz models, the CLS-Class among them, so it is not unique to this car[2].
Fuel economy
EPA ratings differ by version. All three use premium fuel.
| Version | City / Hwy / Combined MPG | Est. annual fuel cost |
|---|---|---|
| CLS550, 4.7L, rear-wheel drive[4] | 18 / 26 / 21 | $3,900 |
| CLS550 4matic, 4.7L, 4-wheel drive[6] | 17 / 25 / 20 | $4,100 |
| AMG CLS63 S 4matic, 5.5L, 4-wheel drive[7] | 16 / 22 / 18 | $4,550 |
The annual cost uses EPA's current fuel price assumptions, not the price when the car was new.
Engine and size
The EPA test car list rates the 4.7L 8-cylinder at 402 hp[8]. The 5.5L 8-cylinder is rated at 550 hp[9]. Both are turbocharged in the EPA fuel economy listings[7][4][6].
How 2017 compares with other years
Show the numbers
| Model year | Complaints | Recalls |
|---|---|---|
| 2006 | 75 | 5 |
| 2007 | 37 | 4 |
| 2008 | 17 | 3 |
| 2009 | 5 | 3 |
| 2010 | 1 | 3 |
| 2011 | 4 | 3 |
| 2012 | 23 | 3 |
| 2013 | 4 | 3 |
| 2014 | 10 | 4 |
| 2015 | 9 | 4 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2019 | 15 | 12 |
| 2020 | 5 | 5 |
| 2021 | 1 | 8 |
| 2022 | 3 | 6 |
| 2023 | 3 | 3 |
For the 2017 model year, NHTSA has 1 complaint and 1 recall[3]. The 2016 and 2018 model years have 0 complaints and 1 recall each[3]. The 2010 and 2021 model years also have 1 complaint[3].
Every remaining year has more than 1 complaint. The 2006 model year has 75, and 2019 has 15 complaints and 12 recalls[3]. Complaint counts are not adjusted for sales, so read them as a rough guide only.
Should you buy a used 2017 CLS-Class?
The complaint record for this model year is very thin, with 1 report on file[1]. That is too little data to say much about reliability. Ask the seller or a dealer to confirm the emergency call recall has been done, since the update is free of charge[2]. Check fuel cost against the version you are looking at, because the annual estimate runs from $3,900 to $4,550[7][4].
Frequently asked questions
- What problems does the 2017 Mercedes-Benz CLS-Class have?
- NHTSA lists 1 owner complaint, about the wheels, with no crash, fire or injury[1][5]. That is too little to show a pattern.
- Are there recalls on the 2017 CLS-Class?
- Yes. Recall 21V058 covers software that may report the wrong location to the emergency call system after a crash. The fix is free of charge[2].
Facts and sources
- NHTSA has 1 owner complaints on file for the 2017 Mercedes-Benz CLS-Class (0 mention a crash, 0 a fire, 0 injuries, 0 deaths reported). NHTSA vehicle records
- Recall 21V058, filed February 5, 2021: Communication › Auto Crash Notification. NHTSA recall database
- Owner complaints and recalls for every Mercedes-Benz CLS-Class model year (chart above). NHTSA recall database
- EPA rating for CLS550, 4.7L 8-cyl turbo, Automatic 9-spd, Premium, Rear-Wheel Drive: 18 city / 26 highway / 21 combined MPG; EPA estimated annual fuel cost $3,900. EPA / DOE fueleconomy.gov
- 1 complaints name the wheels component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- EPA rating for CLS550 4matic, 4.7L 8-cyl turbo, Automatic 9-spd, Premium, 4-Wheel Drive: 17 city / 25 highway / 20 combined MPG; EPA estimated annual fuel cost $4,100. EPA / DOE fueleconomy.gov
- EPA rating for AMG CLS63 S 4matic, 5.5L 8-cyl turbo, Automatic 7-spd, Premium, 4-Wheel Drive: 16 city / 22 highway / 18 combined MPG; EPA estimated annual fuel cost $4,550. EPA / DOE fueleconomy.gov
- EPA Test Car List, 2017 Mercedes-Benz CLS-Class with 4.7L 8-cylinder: rated 402 hp. www.epa.gov
- EPA Test Car List, 2017 Mercedes-Benz CLS-Class with 5.5L 8-cylinder: rated 550 hp. www.epa.gov