How common are engine problems on the 2016 Mercedes-Benz GLA 250?

NHTSA lists 16 engine complaints for this model year, which is 33% of its 49 total complaints, the highest share among GLA 250 model years shown.

Is there a recall for the 2016 Mercedes-Benz GLA 250 engine problems?

No related recalls are listed in NHTSA data for this engine complaint area.

At what mileage do these engine problems tend to occur?

The median mileage at failure across these complaints is 43,313 miles.

Did the engine problems cause any crashes, fires, or injuries?

NHTSA data shows 0 crashes, 0 fires, and 0 injuries linked to these engine complaints.

What specific engine issues do owners describe?

Owners describe sudden stalling, unexpected shifts into neutral, crankcase ventilation valve failures, and vibration or rumbling noises at certain speeds.

2016 Mercedes-Benz GLA 250 Engine Problems

NHTSA lists 16 engine complaints for the 2016 Mercedes-Benz GLA 250, 33% of its 49 total complaints. The median mileage at failure is 43,313 miles. No related recalls are listed for this engine issue.

Engine complaints: 16; 33% of 49
Crashes reported: 0
Fires reported: 0
Injuries reported: 0
Median mileage: 43,313 mi
Related recalls: 0

Typical engine symptoms owners report

Owners report sudden stalling or engine shutdown while driving, sometimes occurring multiple times on highways.
Several complaints describe the transmission or drivetrain unexpectedly dropping into neutral while underway, occasionally with a warning message telling the driver not to shift gears.
Multiple owners report a crankcase ventilation valve (PCV) malfunction that blocks the actuator, in some cases causing fuel and oil to mix inside the engine.
Some drivers describe vibration and a rumbling noise felt through the steering wheel and accelerator pedal at certain speeds before the issue resolved on its own.
One owner reported strong gasoline vapor smell near the engine bay when checking the oil, which a dealer said was common on some four-cylinder engines.
A check engine light tied to the crankcase ventilation system led to a diagnosis that the oil separator needed replacement.

When 2016 Mercedes-Benz GLA 250 engine complaints were filed

First complaint Apr 25, 2016, latest Jan 14, 2026.

16 complaints filed with NHTSA from Apr 2016 to Jan 2026; peak Jun 2024 (2).

Engine recalls for the 2016 Mercedes-Benz GLA 250

No safety recalls on record for this model year.

Engine complaints by GLA 250 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

20140 (0%)
201530 (32%)
201616 (33%)
20178 (28%)
201812 (24%)
20193 (10%)
20202 (22%)
20216 (33%)
20222 (50%)
20233 (38%)
20240 (0%)
20250 (0%)

Frequently asked questions

How common are engine problems on the 2016 Mercedes-Benz GLA 250?: NHTSA lists 16 engine complaints for this model year, which is 33% of its 49 total complaints, the highest share among GLA 250 model years shown.
Is there a recall for the 2016 Mercedes-Benz GLA 250 engine problems?: No related recalls are listed in NHTSA data for this engine complaint area.
At what mileage do these engine problems tend to occur?: The median mileage at failure across these complaints is 43,313 miles.
Did the engine problems cause any crashes, fires, or injuries?: NHTSA data shows 0 crashes, 0 fires, and 0 injuries linked to these engine complaints.
What specific engine issues do owners describe?: Owners describe sudden stalling, unexpected shifts into neutral, crankcase ventilation valve failures, and vibration or rumbling noises at certain speeds.