What 49 owners told NHTSA about the 2018 Mercedes-benz GLA

I am filing a complaint regarding my 2018 Mercedes-Benz GLA 250. My vehicle recently triggered a check engine light and was diagnosed by an independent mechanic with code P052E, related to the positive crankcase ventilation regulator valve / crankcase ventilation system. My mechanic advised that this issue appears to be similar to a known Mercedes-Benz issue affecting other model years and/or related Mercedes models. Mercedes-Benz has issued an emissions extended warranty/service coverage for a similar crankcase ventilation / intake line assembly issue on other vehicles, including fault code P052E71. However, my vehicle does not appear to be included despite having the same or very similar failure code and system issue. I am concerned that this may be a broader defect affecting additional Mercedes vehicles beyond the models currently covered. The issue involves the crankcase ventilation/PCV system and may require repair of related intake line, valve cover, oil separator, or ventilation valve components. I believe this should be reviewed because owners of vehicles with the same failure pattern may be responsible for costly repairs even though the issue appears similar to one Mercedes has already acknowledged on other models. I am requesting that NHTSA review whether 2018 Mercedes-Benz GLA 250 vehicles should be included in any related recall, defect investigation, emissions warranty extension, or service campaign related to code P052E / P052E71 and the crankcase ventilation regulator valve system.

NHTSA ODI 11745674

Crankcase Vent Valve needs replaced. Causes jumps in acceleration and pressure build up. Was a recall in other models. Took to a dealer today to confirm the check engine light and this was the cause.

NHTSA ODI 11664595

There was a gas smell that would seep into the driving cabin from the engine. It was intermittent however when it did occur, the smell was strong enough to cause light headedness to the occupants of the vehicle. I took the car to my personal mechanic who told me that this was a common issue with these cars; however, Mercedes had not issued a recall. I my mechanic fix the issue since they had already diagnosed the problem. I did some research and discovered that there is class action law suit regarding this same issue. (Please see link below:). I am respectfully requesting NHTSA conduct an investigation into this matter as this is definitely a safety hazard as the gas smell could impair the driver to the point of not being able to drive the vehicle safely. [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11645071

The contact owns a 2018 Mercedes Benz GLA 250. The contact stated while the vehicle was parked, it was discovered that there was a fuel leakage. The hazard warning light was illuminated. The contact did research and discovered NHTSA Campaign Number: 21V961000 (Fuel System, Gasoline) however, the VIN was not included. The vehicle was taken back to the residence. A dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 20,000.

NHTSA ODI 11634864

Positive Crankcase Ventilation Regulator Valve - Code P052E This Recall are mentioned for other models with same year 2017 - 2020 But why not for GLA250. it's same problem and Dealer quote me $1500 - $2000 for Repair [XXX] Following threads prove there's lot of owners with same issue. [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11608936

Strong fuel smell when starting under below freezing conditions.

NHTSA ODI 11510211