Mercedes-Benz SLC300 Problems by Year

Source: NHTSA · Updated Jan 9, 2026 · 7 owner complaints analyzed

NHTSA has 7 owner complaints and 3 safety recalls on file for the Mercedes-Benz SLC300, across 5 model years (2016–2020). The 2017 model year has the most complaints (4). The most reported problem area overall is electrical system.

Peak: 2017, with 4 complaints
2016: 0201602017: 4201742018: 1201812019: 1201912020: 120201

n = 7 complaints · Source: NHTSA

Mercedes-Benz SLC300 years to avoid? What the complaint data shows

No SLC300 model year stands out with more than twice the complaints of a typical year.

Model years with the most complaints

  1. 2017 SLC300: 4 complaints, 2 recalls
  2. 2020 SLC300: 1 complaint, 2 recalls
  3. 2019 SLC300: 1 complaint, 2 recalls

Complaint counts are not adjusted for how many cars were sold or how long each year has been on the road, so newer and less popular years naturally have fewer complaints. Use them to spot problem patterns, not as a safety ranking.

Most common Mercedes-Benz SLC300 problems (all years)

Problem areaComplaintsModel yearsCrashes
Electrical System220
Engine220
Communication110
Fuel/propulsion System110
Structure110

All Mercedes-Benz SLC300 model years

Model yearComplaintsRecallsCrash ratingTop problemCompared with other years
2020 SLC30012—Electrical System
2019 SLC30012—Engine
2018 SLC30011—Unknown or Other
2017 SLC30042—Communication
2016 SLC30001——

More from Mercedes-Benz: all Mercedes-Benz models · Mercedes-Benz VIN decoder

Frequently asked questions

Which Mercedes-Benz SLC300 years should you stay away from?

No year stands out at twice the typical count; the most complaints are for 2017 (4), 2020 (1), 2019 (1). Counts are not adjusted for how many cars were sold, and newer years have had less time to collect complaints.

What is the biggest problem with the Mercedes-Benz SLC300?

Electrical System, with 2 complaints across 2 model years.

How many recalls does the Mercedes-Benz SLC300 have?

3 safety recalls across all model years. Each model year page lists its recalls and fixes.