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Used Mercedes-Benz SL550 for Sale

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About the Mercedes-Benz SL550

Vehicle Summary

Ready to treat yourself to a luxury sports car? If so, set your sights on the Mercedes-Benz SL-Class of two-seat roadster convertibles. This head-turning hard-top convertible is in its sixth generation of production (2013-2019) and offers four trim configurations with different engine sizes and features.

The SL550 trim is an excellent choice, boasting a brawny turbocharged V8 engine and standard features like an automated parking system, massaging seats, and a built-in navigation system to call out directions as you enjoy the open road. If you're looking for a two-seat sports car that blends performance with indulgent features, the SL550 is definitely worth a look.

Unless otherwise noted, information relating to these featured vehicles comes from third-party sources, including manufacturer information. Product and company names may be trademarks™ or registered® trademarks of third-party entities. Use of them does not imply any affiliation with or endorsement by these entities.


Q: What does Mercedes SL mean?

A: The "SL" stands for the German phrase, "Super-Leicht." It translates to "super light," in English, referring to the compact and light frame of the SL-Class.

Q: How many people does a Mercedes-Benz SL550 seat?

A: The SL550, like all trim levels on the SL-Class of roadsters, seats two people.

Q: How fast is a Mercedes-Benz SL550?

A: Top speed may vary by model year, but the 2016 SL550 with turbocharged 4.7L V8 engine can reach speeds of 130 mph.

Q: Does the Mercedes-Benz SL550 come in a hardtop?

A: Yes, a power-folding hardtop is standard on every SL550 roadster.

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Mercedes-Benz SL550 Trim Configurations

Since the sixth generation of SL-Class roadsters debuted in 2013, the SL550 trim has been offered with a turbocharged V8 engine, a seven-speed automatic transmission, and rear-wheel drive. For the 2013 and 2014 model years, a turbocharged 4.6L V8 cranks out 429 hp, though the engine size jumps to a 4.7L for all subsequent model years. By 2017, hp output for the SL550's turbocharged 4.7L V8 engine also increases to a full 449 hp.

Up until 2015, when the SL450 trim was introduced, the SL550 was the base trim offering on the SL-Class. Beginning with the 2015 model year, however, the SL550 is the second-tier of four total trim configurations available. It offers the following standard features on its 2018 model:

  • AMG-branded 19-inch wheels
  • Automated parking system
  • Ventilated seats with massage functions
  • Panoramic sunroof
  • Keyless entry and ignition

Reliability Research

Below Average

RepairPal gave the Mercedes-Benz SL550 an overall reliability rating of 2 out of 5 stars, which RepairPal describes as Below Average. This rating ranks the Mercedes-Benz SL550 22nd out of 30 among luxury fullsize cars.

  • Cost RepairPal reports that the average total annual cost for repairs and maintenance on a Mercedes-Benz SL550 is $1055, compared to an average of $920 for luxury fullsize cars and $719 for all the vehicles RepairPal considered in its dataset.
  • Frequency According to RepairPal, Mercedes-Benz SL550 owners bring their vehicles into a repair shop for unscheduled repairs an average of 0.9 times per year, compared to an average of 0.8 times for luxury fullsize cars and 0.5 times for all the vehicle models RepairPal considered in its dataset.
  • Severity RepairPal reported that the probability of a repair being a severe or major issue is 20% for the Mercedes-Benz SL550, compared to an average of 15% for luxury fullsize cars and 13% for all the vehicles RepairPal considered in its dataset.

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2010-2019 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features.

*RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of 12/31/2018. Learn more.


Reviews for Mercedes-Benz SL550

Overall Rating

4.7 out of 5(20 reviews)

I am buying this car!

It's beautiful and a create piece of art.

- DANIEL GIVEN, 2015 Mercedes-Benz SL550

This price does not include tax, title, and tags. Additional fees may also apply depending on the state of purchase.