2019 Mercedes-Benz SLC 300Problems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2019 Mercedes-Benz SLC 300, most often about the engine. It is covered by 2 safety recalls, and for recall 22V-365 the manufacturer reports only 91% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through April 1, 2025. Updated daily.

Complaints by system

Where the 2019 Mercedes-Benz SLC 300 has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine10
Fuel/propulsion system10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2019 Mercedes-Benz SLC 300 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

91%repaired · 2026 Q2

Communication: auto crash notification

Recall 22V-365 · May 20, 2022 · 242,722 vehicles · 219,931 repaired

Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…

Problem, fix and repair progress →

95%repaired · 2023 Q4

Communication: auto crash notification

Recall 21V-058 · Feb 5, 2021 · 1,292,258 vehicles · 1,231,020 repaired

Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2019 vs. every other SLC 300 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the SLC 300 median. How we score

'16'17'18'19'20
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What SLC 300 owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

The check engine light is on in my 2019 SLC (only 42K miles) and the car is emitting a lot of smoke from the exhaust pipe and it is hesitating while driving it. I almost got rear ended. I took it to the dealership and the fault code comes back as: P052E71 - The valve crankcase ventilation has a…
Complaint 11652173 · Apr 1, 2025

Own a 2019 SLC 300?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.