Dear NHTSA Office of Defects Investigation, I am submitting a safety complaint regarding my 2018 Mercedes-Benz GLA 250 (VIN: [XXX] ). On October 28, 2025, while driving southbound on Interstate 5 near the Zamora Exit in California at approximately 8:15 a.m., the fully closed moonroof of my vehicle spontaneously shattered. There was no impact, debris, or external cause, and the vehicle was…
2018 Mercedes-Benz GLA-Class body problems
moderate Owners of the 2018 Mercedes-Benz GLA-Class have filed 3 NHTSA complaints about the body at roughly $1,500 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See body across all vehicles →
What owners are reporting 2 most recent
While driving the vehicle on the highway the front panel immediately in front of the panoramic roof was ripped off. The glue holding the panel in place was defective and is a known issue that currently has a recall out issued by Mercedes Benz. However the vin of our vehicle does not fall under the recall per my conversation with a MB rep. Mercedes Benz knows that this is a problem and will not…
Common questions
How serious is the body problem on the 2018 Mercedes-Benz GLA-Class?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $1,500 and most owners catch it before it causes a breakdown.
At what mileage does the body typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $1,500 for body repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to body?
No active recalls currently cover body issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.