2018 Mercedes-Benz S-Class Report

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

Updated Jun 14, 2026Ryan Davis
2018 Mercedes-Benz S-Class Report

Overall Score

Our Verdict
Proceed with caution

Key Takeaways

  • The 2018 S-Class boasts a perfect record with zero recalls and zero complaints according to NHTSA data, indicating strong initial quality.
  • Despite the clean record, the absence of data limits a comprehensive reliability assessment, necessitating a detailed inspection.
  • Focus on the overall condition and maintenance history, as specific failure points are not highlighted in the available data.
  • The RWD drivetrain offers a classic luxury sedan feel.
Overview

2018 Mercedes-Benz S-Class

The 2018 Mercedes-Benz S-Class represents the pinnacle of luxury sedans, offering a refined driving experience and advanced technology. For the used car shopper, its appeal lies in its opulent interior and sophisticated ride. While the provided NHTSA data shows a remarkable absence of recalls and complaints, this lack of information warrants caution. It's essential to conduct a thorough pre-purchase inspection to uncover any potential issues not captured in the available records.

Critical Failure Risk

The 2018 S-Class boasts a perfect record with zero recalls and zero complaints according to NHTSA data, indicating strong initial quality.

Early detection can reduce the odds of major repair bills.

Open Maintenance Analysis →

Reliability

Practicality

The score is supported by solid day-to-day usability signals.

Buyer Fit

Who This Car Is For

Best for

Buyers seeking a luxurious and comfortable sedan with a strong emphasis on refinement.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers who cannot afford potential luxury car repair bills.

+2 more buyer-fit warnings in the full report

2018 Mercedes-Benz S-Class Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2018 Mercedes-Benz S-Class.

Limited reliability records are available for this model year.

Specs

Vehicle Specs

Seating Capacity
5
Drivetrain
RWD/Rear-Wheel Drive
Body Style
Chassis Cab

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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) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Checks (coolant, brake, power steering, windshield washer)

Est. shop cost: $200 - $350

10,000 mi

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

Full pre-purchase inspection checklist
Complete maintenance schedule (4 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?
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FAQ

FAQ

Is the 2018 Mercedes-Benz S-Class reliable?

The CarFocal Reliability Score for the 2018 Mercedes-Benz S-Class is 9.1/10. Reliability score is 9.1/10. NHTSA recalls: 0. Owner complaints: 0.

How practical is the 2018 Mercedes-Benz S-Class for daily use?

Practicality score is 8.0/10. The score is supported by solid day-to-day usability signals. Seating capacity is 5. 4 passenger doors are listed.

What is the overall score for the 2018 Mercedes-Benz S-Class?

The CarFocal Overall Score for the 2018 Mercedes-Benz S-Class is 6.9/10. Overall score is 6.9/10 (Good). Confidence 41%. Maintenance 9.1/10. Practicality 8.0/10.

What does it cost to own and maintain a 2018 Mercedes-Benz S-Class?

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

What is the MSRP range for the 2018 Mercedes-Benz S-Class?

Base MSRP is $92,900.

What driver assistance and safety features are available on the 2018 Mercedes-Benz S-Class?

13 standard driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2018 Mercedes-Benz S-Class?

According to CarFocal's specs for the 2018 Mercedes-Benz S-Class, seating capacity is 5.

What body style is the 2018 Mercedes-Benz S-Class?

According to CarFocal's specs for the 2018 Mercedes-Benz S-Class, body style is chassis_cab.

What drivetrain does the 2018 Mercedes-Benz S-Class use?

According to CarFocal's specs for the 2018 Mercedes-Benz S-Class, drivetrain is RWD/Rear-Wheel Drive.

Should buyers consider alternatives to the 2018 Mercedes-Benz S-Class?

Alternatives listed in this guide: 2018 Audi A8 and 2018 Lexus LS.