AutoUtility currently tracks 4 official NHTSA owner defect complaints for the 2017 Mercedes-Benz SLC. Body & Structure issues are the most frequently reported category, appearing in 1 complaint (25% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
1 owner complaint submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"The contact owns a 2017 Mercedes-Benz SLC300. The contact stated that while driving at an undisclosed speed, there was a loud whistling sound coming from the upper panel of the roof. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the bonding of the..."
"On September 6, 2025 while driving approximately 70 mph, the front roof panel of my vehicle detached completely. This was not only a costly failure, but also an extremely dangerous incident that could easily have caused severe injuries or fatalities — either to myself, my passengers, or other..."
"Piston 1 broken at 76000 miles. Compleat engine failer"
"TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ SLC300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 21V058000 (COMMUNICATION, ELECTRICAL SYSTEM) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS NOT YET AVAILABLE. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF HILTON HEAD (155 FORDING ISLAND RD,..."
Reported defect complaint volume across sibling model years (2015–2020)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Mercedes-Benz SLC | 4 | 0 | 0 | View 2015 Problems → |
| 2016 Mercedes-Benz SLC | 2 | 0 | 0 | View 2016 Problems → |
| 2017 Mercedes-Benz SLC Current Page | 4 | 0 | 2 | Current |
| 2018 Mercedes-Benz SLC | 1 | 0 | 0 | View 2018 Problems → |
| 2019 Mercedes-Benz SLC | 1 | 0 | 1 | View 2019 Problems → |
| 2020 Mercedes-Benz SLC | 1 | 0 | 2 | View 2020 Problems → |
Complete distribution of consumer defect reports across all 4 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| ELECTRICAL SYSTEM,COMMUNICATION | 1 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2017 Mercedes-Benz SLC
In official NHTSA consumer records, the most frequently cited issue area for the 2017 Mercedes-Benz SLC is Body & Structure, appearing in 1 records (25% of submitted filings).
Secondary reported categories include Engine & Cooling (1) and Electrical System (1).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 4 consumer defect complaints and 2 safety recall campaigns for the 2017 Mercedes-Benz SLC.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Consumer complaint records on file with NHTSA for the 2017 Mercedes-Benz SLC cite zero crashes, zero fires, and zero injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.