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2018 Mercedes-Benz SLC 300Problems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2018 Mercedes-Benz SLC 300, most often about the unknown or other. It is covered by 1 safety recall, and for recall 21V-058 the manufacturer reports only 95% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls1Lowest repair rate 95%Owner complaints10 with a crash, fire or injuryTypical failure mileage0kUnknown or other, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through February 5, 2021. Updated daily.

Complaints by system

Where the 2018 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

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

1 recall

2018 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.

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

2018 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
1 investigation

NHTSA defect investigations

Federal investigations that included the 2018 Mercedes-Benz SLC 300, and the recalls they led to.

  1. Desiccated Air Bag Inflator RuptureEA21002 · still open
    Open
In owners' words

What SLC 300 owners report

Recent unknown or other complaints filed with NHTSA, shortened. Personal details are removed.

TWO KEY SAFETY SYSTEM WARNINGS ARE NOT DETECTIBLE UNDER NORMAL DRIVING CONDITIONS: 1) STEERING WHEEL SHAKE IF YOU DRIFT OUT OF LANE IS NOT FELT DRIVING UNDER NORMAL HIGHWAY CONDITIONS. 2) AUDIBLE ALARM IF YOU ACTIVATE THE TURN SIGNAL WITH A CAR IN YOUR BLIND SPOT CAN NOT BE HEARD OVER THE NOISE OF…
Complaint 11025085 · Sep 22, 2017 · 70 miles

Own a 2018 SLC 300?

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