2012 Mercedes-Benz GL350 Engine Problems
- Complaints
- 4about this part
- Share
- 18%of 22 total for the year
- Median mileage
- 73,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2012 Mercedes-Benz GL350, 18% of the 22 complaints for this model year. Where a mileage was given, the median is 73,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While driving between boise going to portland, I experienced sudden lost of power in very dangerous traffic situation. There were a road work area, I had semi-trucks in front and behind me. It happened on I-84w, around 20 miles out of baker city or, my car is well maintained at the dealership barrier in bellevue. There was no warning that something is wrong. I had fuel, there were no warning lights or similar indication or comming technical issue. The car lost power, I maneged to move to side that the truck behind me didn't hit me! …”
NHTSA complaint #11020711, filed 2017-08, 46,000 miles“Mercedes Benz settled with U.S Government the diesel emission scandal. There are about 122k class members. Under the settlement, Mercedes gave 122k class members 4 year/48k miles warranty. Under the warranty, MB replaced the timing chain in May 2022 but on April, 2023 while driving on I-95 in Massachusetts, the engine completely got shut down while driving 55 miles per hour. Luckily, no one got injured. But the car was not controllable. I barely pulled to the side of the hwy and called the towing. Brought it to MB of Westwood. …”
NHTSA complaint #11542485, filed 2023-09“Engine oil cooler leack $3500 repair job at mercedes greenway houston , airmatic system malfunction, $3500 ABS speed sensor , intake manifold runner controll broken”
NHTSA complaint #10852587, filed 2016-03Related service bulletins
- 11008064Aug 9, 2024In our continuing efforts to ensure the proper performance and quality of your vehicle, we are writing to inform you that on certain Model Year 2011-2018 C-Class, E-Class…
- 11031648Oct 5, 2021Mercedes-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received the Approved Emission Modification. The Extended Modification Warranty…
Engine: other model years
Other parts of the 2012 Mercedes-Benz GL350
13 complaintsBrakes
1 complaintsEngine cooling
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2012 Mercedes-Benz GL350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology