Print this page

10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
2 / 0
Average Mileage:
29,667 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2017 Mercedes-Benz C300 windows / windshield problems

windows / windshield problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2017 Mercedes-Benz C300:

Unsubscribe any time. We don't sell/share your email.

2017 Mercedes-Benz C300 Owner Comments

problem #6

Mar 082024

C300

  • 75,000 miles

A D V E R T I S E M E N T S

The contact owns a 2017 Mercedes-Benz C300. The contact stated while driving 65 MPH, the sunroof exploded inadvertently. The contact stated that the shade guard was closed when the failure occurred. The contact had not sustained any injuries. The contact continued driving at slow speeds, and there was glass falling on the road while driving. The vehicle was taken to the dealer, who provided a cost for the repair. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and informed the contact that they could not assist because the VIN was not included in a recall. The failure mileage was approximately 75,000.

- Blanchard, OK, USA

problem #5

Aug 032023

C300

  • miles
The contact owns a 2017 Mercedes-Benz. The contact stated that while driving at an undisclosed speed, she attempted to open the sunroof, but when she looked, she noticed that only the left side was open. The contact stated that the failure reoccurred on two occasions. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 100,000.

- Edgewood, MD, USA

problem #4

Feb 222023

C300

  • 15,000 miles
The contact owns a 2017 Mercedes-Benz C300. The contact stated that while driving at approximately 75 MPH, a loud popping noise was heard and then the sunroof exploded. The contact stated that there were no injuries sustained from the glass shards that had fallen inside the vehicle. No warning lights were illuminated. The vehicle was not yet taken to an independent mechanic or local dealer to be diagnosed repaired. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The approximate failure mileage was 15,000.

- Mundelein, IL, USA

problem #3

Aug 212022

C300

  • 56,000 miles

A D V E R T I S E M E N T S

The contact owns a 2017 Mercedes-Benz C300. The contact stated that she heard air entering the sunroof however, while attempting to close the sunroof, the sunroof failed to close as designed. There was no warning light illuminated. The vehicle was taken to the dealer however, the contact was unsure of the diagnostic result. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was informed of a program that was cost effective. The contact was referred to the NHTSA Hotline. The failure mileage was approximately 56,000.

- Glendale, AZ, USA

problem #2

Dec 212020

C300

  • 23,000 miles
The contact owns a 2017 Mercedes Benz C300. The contact stated that while driving 55 mph and was going around a curve in the road, an abnormal sound was heard. The sun roof exploded without impact. The contact stated that the sun roof glass fell inside the cabin of the vehicle and on her son who was seated in his car seat in the rear of the vehicle. The contact and her son sustained minor scrapes that required medical attention. The contact coasted to the side of the road. The contact called Mercedes-Benz of fayetteville (420 glensford dr, fayetteville, nc 28314, (910) 487-0000) and informed the dealer. The vehicle was towed to the dealer. The vehicle was not yet diagnosed nor repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 23,000. ## VIN passed ## Mercedes-Benz C300 C4 2017 ##

- Fayetteville, NC, USA

Search CarComplaints.com for these popular complaint phrases...

problem #1

Mar 162018

C300

  • 9,000 miles
The contact owns a 2017 Mercedes-Benz C300. While driving approximately 35 mph, the glass moon roof suddenly exploded, causing glass to enter the cabin of the vehicle. There were no injuries. The vehicle was taken to Mercedes-Benz of loveland (4040 byrd dr, loveland, co), but the cause of the failure was not determined. The manufacturer was not notified. The failure mileage was 9,000.

- Windsor, CO, USA

Not what you are looking for?