The contact owns a 2017 Mercedes-Benz CLA250. The contact stated while driving 60 MPH, the contact heard a loud pop inside the vehicle. The vehicle was steered to the side of the road and the contact observed that the sunroof panel was missing. A Police Officer passing by stated that he observed that the panel had detached and land on the street. The vehicle was taken to a dealer where it was…
2017 Mercedes-Benz CLA-Class visibility problems
moderate 3 complaints filed with NHTSA · avg repair $350 · see visibility across all vehicles →
Complaints
3
Recalls
0
Avg fix
$350
When does it fail?
Of the 3 visibility complaints filed for the 2017 Mercedes-Benz CLA-Class, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 5 model years of Mercedes-Benz CLA-Class we track for visibility problems, this one has the fewest owner complaints on file (3).
What owners are reporting 3 most recent
The contact owns a 2017 Mercedes-Benz CLA250. The contact stated that on two separate occasions while driving at various speeds, the panoramic sunroof detached from the vehicle without warning. The contact stated that the roof remained exposed with the wires from the sunroof hanging from the ceiling. The contact had taken the vehicle to the dealer twice where the replacement part for the sunroof…
Rear window exploded after turning on rear defrost, vehicle was stationary when rear window exploded.
Had visibility trouble with your 2017 Mercedes-Benz CLA-Class?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the visibility problem on the 2017 Mercedes-Benz CLA-Class?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $350 and most owners catch it before it causes a breakdown.
At what mileage does the visibility typically fail?
Based on the 3 complaints filed, visibility issues most often appear around 75,750 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $350 for visibility 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 visibility?
No active recalls currently cover visibility 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2017/Mercedes-Benz/CLA-Class.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.