2012 Mercedes-Benz CLS-Class reliability
NHTSA's file on the 2012 Mercedes-Benz CLS-Class holds 24 complaints after 15 years, a rate of 1 per year. That is more complaints per year than most CLS-Class years here — over the median of the other years, which is 0. NHTSA has no recalls on file for this model year.
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24
1
0
15
The complaints owners file most often name Fuel and propulsion system (9 of 24), then Engine (4) and Electrical system (3). Those filings include 1 that reports a crash and 1 that reports an injury.
The 2013 CLS-Class has 4 complaints, 0 per year. The 2012 has more complaints per year than the 2013.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2012 Mercedes-Benz CLS-Class. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (24 total)
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1
0
1
0
Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"Mercedes-Benz offers an extended warranty, effectively a 20-year/unlimited mileage coverage, for the rear subframe due to corrosion with perforation, covering specific model years my vehicles make and model are…"
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"For several months I been smelling different odors from my 2012 CLS550, getting stronger as the weeks go by now smelling like gas, would noticed puddles whenever I parked from rear driver side area towards middle, just…"
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"I have a 2012 Mercedes-Benz CLS63 that is leaking fuel from the rear driver side by the tire. You can smell fuel inside the cabin of the vehicle very strong. On the vin plate on my door it says in my vehicle is built on…"
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"There is a strong odor of gasoline coming from the drivers side rear. I conducted a Google search on the issue and there are a lot of instances of the same thing. It appears to be the Gas Tank Sending Unit, they have a…"
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"I have Mercedes Benz CLS 550. Whenever I fill up a tank full, I smell gas in the CAR and in my garage. After researching the cause of this issue , I found its a common issue with Mercedes Benz older vehicles where the…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2012 Mercedes-Benz CLS-Class 4 DR AWD | Not rated | Not rated | Not rated | Not rated |
| 2012 Mercedes-Benz CLS-Class 4 DR RWD | Not rated | Not rated | Not rated | Not rated |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
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Frequently asked questions
Is the 2012 Mercedes-Benz CLS-Class reliable?
NHTSA's file on the 2012 Mercedes-Benz CLS-Class holds 24 complaints after 15 years, a rate of 1 per year. That is more complaints per year than most CLS-Class years here — over the median of the other years, which is 0. NHTSA has no recalls on file for this model year.
What are common problems with a 2012 Mercedes-Benz CLS-Class?
The complaints owners file most often name Fuel and propulsion system (9 of 24), then Engine (4) and Electrical system (3). Those filings include 1 that reports a crash and 1 that reports an injury.
Is the 2012 Mercedes-Benz CLS-Class more reliable than the years next to it?
The 2013 CLS-Class has 4 complaints, 0 per year. The 2012 has more complaints per year than the 2013.
Has the 2012 Mercedes-Benz CLS-Class been recalled?
NHTSA has no recalls on file for the 2012 Mercedes-Benz CLS-Class.
How many complaints have owners filed about the 2012 Mercedes-Benz CLS-Class?
Owners have filed 24 complaints about the 2012 Mercedes-Benz CLS-Class with NHTSA.
What engine oil does a US Mercedes-Benz CLS-Class use?
0W-20, 0W-30, or 0W-40 (engine-dependent)
What tire sizes fit a US Mercedes-Benz CLS-Class?
Published US specs commonly list front 245/35R20, 245/40R19, 275/30R20, 275/35R19 (trim-dependent) and rear 245/35R20, 245/40R19, 275/30R20, 275/35R19 (trim-dependent); confirm on the door jamb placard for your trim.
What NHTSA recalls affect the US Mercedes-Benz CLS-Class?
Recall 19V-605 covers certain 2019 CLS 450 Coupe and CLS 450 Coupe 4MATIC vehicles with 6-cylinder gasoline engines: the electrical line that supplies power to the engine coolant pump may contact the engine fan and chafe, which can cause a coolant-pump malfunction or a deactivation that may lead to overheating. Dealers inspect the coolant pump electrical line for damage, then repair and reroute it as necessary. Recall 18V-911 covers certain 2019 CLS450, CLS450 4MATIC, and CLS53 AMG vehicles: the horizontal headlight adjustment screw may not be effectively sealed, allowing…