CARFOCALvehicle research
Research CarsCompareRankingsArticles
  1. Home›
  2. Manufacturers›
  3. Mercedes-Benz›
  4. SLC-Class›
  5. 2021

2021 Mercedes-Benz SLC-Class Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 14, 2026·Ethan Miller

Overall Score

6.9/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • Exceptional initial reliability, underscored by zero recalls and complaints reported to NHTSA.
  • No specific safety ratings available from NHTSA, but the lack of reported issues implies a low safety risk profile.
  • Fuel economy data is unavailable, making running costs difficult to estimate but likely higher for a luxury performance car.
  • The SLC-Class offers a premium convertible experience, but its specific powertrain and drivetrain details are not provided in the available data.
See the 5 checks before you buyFree • Takes 20s • Saves Thousands $
OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2021 Mercedes-Benz SLC-Class

The 2021 Mercedes-Benz SLC-Class, a compact luxury roadster, enters the used market with a strong initial impression. Notably, it boasts a clean slate with zero recalls or consumer complaints filed with NHTSA for the model year. This rarity suggests a robust build and high initial quality. While official safety ratings are not available, the absence of reported issues is a significant positive indicator for potential buyers seeking a dependable, albeit specialized, vehicle.

Critical Failure Risk

Exceptional initial reliability, underscored by zero recalls and complaints reported to NHTSA.

Early detection can reduce the odds of major repair bills.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls0
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Full Vehicle Specifications ↓

Reliability

9.0/ 10

Practicality

2.0/ 10

The score is mainly limited by small boot, limited door access, and limited seating.

Buyer Fit

Who This Car Is For

Best for

Enthusiasts seeking a stylish, drop-top Mercedes-Benz with a strong record for initial dependability.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers who need precise running cost estimates, as fuel economy data is unavailable.

+2 more buyer-fit warnings in the full report

2021 Mercedes-Benz SLC-Class Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 Mercedes-Benz SLC-Class.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects

Limited reliability records are available for this model year.

Specs

Vehicle Specs

Seating Capacity
2
Body Style
Sedan

CarFocal account required

See the full 2021 Mercedes-Benz SLC-Class buyer report before you decide

Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

No complaint hotspot data available yet.

See all common issues in the maintenance guide

First Service Interval

- Synthetic Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Engine Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (Coolant, Brake Fluid, Power Steering)

Est. shop cost: $150 - $250

10,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist
Complete maintenance schedule (6 service intervals)
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
Full safety recall details
Final buyer verdict: should you buy?
Create free account

Free • Takes 20 seconds • Saves Thousands $

Already have an account? Log in

FAQ

FAQ

Is the 2021 Mercedes-Benz SLC-Class reliable?▾

The CarFocal Reliability Score for the 2021 Mercedes-Benz SLC-Class is 9.0/10. Reliability score is 9.0/10. NHTSA recalls: 0. Owner complaints: 0.

How practical is the 2021 Mercedes-Benz SLC-Class for daily use?▾

Practicality score is 2.0/10. The score is mainly limited by small boot, limited door access, and limited seating. Seating capacity is 2. 2 passenger doors are listed. Boot capacity is 225 litres.

What is the overall score for the 2021 Mercedes-Benz SLC-Class?▾

The CarFocal Overall Score for the 2021 Mercedes-Benz SLC-Class is 6.9/10. Overall score is 6.9/10 (Good). Confidence 41%. Maintenance 9.3/10. Practicality 2.0/10.

What does it cost to own and maintain a 2021 Mercedes-Benz SLC-Class?▾

Based on Carfocal's data, First listed service: - Synthetic Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Engine Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (Coolant, Brake Fluid, Power Steering) at 10,000 miles. Estimated first-year maintenance: $300 - $500.

What driver assistance and safety features are available on the 2021 Mercedes-Benz SLC-Class?▾

1 standard driver assistance features. Key features include Tire Pressure Monitoring System.

How many people fit in a 2021 Mercedes-Benz SLC-Class?▾

According to CarFocal's specs for the 2021 Mercedes-Benz SLC-Class, seating capacity is 2.

What body style is the 2021 Mercedes-Benz SLC-Class?▾

According to CarFocal's specs for the 2021 Mercedes-Benz SLC-Class, body style is sedan.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

We may earn a commission if you buy parts through our links. Learn more.