repaired · 2026 Q2
Communication: auto crash notification
Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…
2020 Mercedes-Benz SL 550Problems, recalls & complaints
NHTSA has logged 1 owner complaint about the 2020 Mercedes-Benz SL 550, most often about the engine. It is covered by 3 safety recalls, and for recall 21V-961 the manufacturer reports only 83% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through February 6, 2026. Updated daily.
Complaints by system
Where the 2020 Mercedes-Benz SL 550 has problems
1 complaint grouped by the system owners reported.
1Engine1 crash/fire/injury
1Power train1 crash/fire/injury
1Vehicle speed control1 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 1 | 1 |
| Power train | 1 | 1 |
| Vehicle speed control | 1 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
3 recalls
2020 Mercedes-Benz SL 550 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2024 Q1
Fuel injection system: fuel rail
Risk. A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
repaired · 2023 Q4
Communication: auto crash notification
Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Best & worst years
2020 vs. every other SL 550 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the SL 550 median. How we score
'03'07'08'09'11'13'14'15'16'17'18'19'20
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What SL 550 owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
I do Own a Mercedes-Benz 2020 SL-550. On August 27, 2025, I was stopped at the curb adjacent to my house at [XXX]. When I gently tried to go right into driveway of my house, the tire hit the curb. When I gently again tried to release the tire from the curb, the car all of the sudden jump into the…
Own a 2020 SL 550?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.