Is the 2020 Mercedes-Benz S-Class Reliable?

July 11th, 2025 by

A parked 2020 Mercedes-Benz S-Class Sedan

The 2020 Mercedes-Benz S-Class still delivers a luxurious drive that few other cars on the road can match. With a strong reliability record and a safety system that was well ahead of its time, this car is still a great buy in 2025. Explore these features at Mercedes-Benz of St. Charles and you’ll be hooked on this classic executive sedan.

How Reliable Is the 2020 Mercedes-Benz S-Class?

Like many Mercedes-Benz cars, the 2020 Mercedes-Benz S-Class was built to the highest standards of craftsmanship. That means these models are still getting great ratings for reliability, like its above-average score of 77 from JD Power, showing that consumers still love this vehicle even years after its release.

Are Luxury Cars Hard to Maintain?

While luxury cars like the 2020 Mercedes-Benz S-Class can run for years on the road, you’ll need to be careful about service stops and maintenance issues. Both the standard V6 and available V8 on this model are big, powerful engines, so you’ll need to keep them lubricated with regular oil changes. A proper maintenance schedule is key to your vehicle’s reliability.

Is the 2020 Mercedes-Benz S-Class Safe?

The Mercedes-Benz brand has always been ahead of the curve in adding proactive safety systems to their models, so the 2020 Mercedes-Benz S-Class features a system that’s always keeping you safe. Automatic emergency braking and lane-keeping assistance both come standard. That means both that your sedan is safer to drive and that it’s less likely to have had an accident in the past.

Test-Drive a Pre-Owned Mercedes-Benz Car in St. Charles, IL

The 2020 Mercedes-Benz S-Class is still a great pick for anyone looking to elevate their commute. Talk to our team at our St. Charles, IL, Mercedes-Benz dealership about this reliable sedan and check out these features in person. Explore Mercedes-Benz financing and take a test drive today!

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