Complaints by model year
| Year | Complaints | vs. typical* | Recalls | Top problem | Verdict |
|---|---|---|---|---|---|
| 2016 | 2 | — | 4 | Body | Few |
* Complaints compared with the median SLK300 year at the same age, so new and old years are judged fairly. How this works.
Most common Mercedes-Benz SLK300 problems
Latest Mercedes-Benz SLK300 recalls
Communication
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location.
Remedy: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge.
Suspension › Rear
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 SLK300 vehicles manufactured January 19, 2016 to April 19, 2016. In the affected vehicles, improperly manufactured lock nuts may have been used on the rear wheel tie rod connection, and as a result, the rear wheel alignment may change and the rear axle may…
Remedy: MBUSA will notify owners, and dealers will replace the lock nuts on the rear tie rods, free of charge. The recall began on June 24, 2016. Owners may contact MBUSA customer service at 1-800-367-6372.
Electrical system › Wiring
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 SLK300 vehicles manufactured June 2, 2015 to July 14, 2015 and equipped with a nine-speed automatic transmission. The backup power supply for the ignition switch in the affected vehicles may not have been properly connected.
Remedy: MBUSA will notify owners, and dealers will correct the ignition switch wiring and perform a software update, free of charge. The recall began on May 9, 2016. Owners may contact MBUSA customer service at 1-800-367-6372.
Engine and engine cooling › Engine
Mercedes-Benz USA, LLC (Mercedes-Benz) is recalling certain model year 2015 CLA250, CLA250 4Matic, GLA250, GLA250 4Matic, and 2016 SLK300 roadster vehicles manufactured July 17, 2015, to August 31, 2015. The affected vehicles have intake or exhaust camshafts whose welds may fail and possibly cause engine damage.
Remedy: Mercedes-Benz will notify owners, and dealers will replace the affected camshafts, free of charge. Interim notices were mailed to owners on December 9, 2015. The recall began on December 23, 2015.
Frequently asked questions
What years of the Mercedes-Benz SLK300 should you avoid?
None of the Mercedes-Benz SLK300 years has an unusually high number of complaints compared with the others at the same age.
What are the most common Mercedes-Benz SLK300 problems?
Across all years, owners report the most problems with the body & structure (1). Body complaints peak in the 2016 model year.
How many recalls has the Mercedes-Benz SLK300 had?
4 recalls across 2016. The model year with the most is 2016. See all Mercedes-Benz SLK300 recalls by year.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.