2015 Mercedes-Benz C300 Structure & Body Problems
NHTSA lists 62 Structure & Body complaints for the 2015 Mercedes-Benz C300, 16% of all complaints for the year, with a median failure mileage of 61,806 miles. Two related recalls (23V854000 and 21V197000) cover front panel/roof panel bonding issues on this model.
- Structure & Body complaints
- 62
- 16% of 381
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 61,806 mi
- Related recalls
- 2
Typical body and structure symptoms owners report
- Panoramic sunroof glass spontaneously shatters or explodes while driving or parked, sometimes at highway speed.
- Front glass trim panel of the panoramic sunroof vibrates, flaps, or detaches while driving at highway speeds.
- Driver's door has popped open unexpectedly while driving on the freeway, with no warning chime.
- Driver's power seat has failed to move forward, forcing the driver to sit on the front edge of the seat until a software reset restored function.
- Door-open warning chime timing was inconsistent between the driver's door and other doors.
When 2015 Mercedes-Benz C300 body and structure complaints were filed
First complaint Dec 15, 2014, latest Sep 23, 2026.
Structure & Body recalls for the 2015 Mercedes-Benz C300
- NHTSA 23V854000Dec 15, 2023Structure & Body2,976 vehicles
Structure:body:roof and pillars
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.
Risk: A detached roof panel can become a road hazard, increasing the risk of a crash.
Remedy: Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.
- NHTSA 21V197000Mar 19, 2021Structure & Body15,096 vehicles
Structure:body:roof and pillars
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
Risk: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Structure & Body complaints by C300 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- Does the 2015 Mercedes-Benz C300 have a Structure & Body recall?
- Yes. NHTSA lists two related recalls, campaign 23V854000 covering front roof panel bonding on 2014-2020 C-Class and other models, and campaign 21V197000 covering a bonded front panel on 2015-2020 C300 and related models.
- How many Structure & Body complaints does the 2015 C300 have?
- NHTSA lists 62 Structure & Body complaints for the 2015 C300, which is 16% of the 381 total complaints filed for that model year.
- At what mileage do Structure & Body problems typically occur on the 2015 C300?
- The median mileage at failure reported to NHTSA for this problem area is 61,806 miles.
- What kind of sunroof problems do 2015 C300 owners report?
- Owners describe the panoramic sunroof glass shattering while driving or parked, and separately describe the front sunroof trim panel vibrating loose or flying off at highway speed.
- Were there any crashes linked to Structure & Body complaints on the 2015 C300?
- NHTSA data shows 1 crash and 0 fires or injuries among the 62 Structure & Body complaints for the 2015 C300.