FaultScore
See all results →
All makes Worst years, ranked Problems by part Analysis Problems by model year Recalls in Canada Recall lookup Compare two cars How we grade

Mercedes Benz SL55 problems

Owners have filed 27 complaints about the Mercedes Benz SL55 with NHTSA across model years 2003 to 2007. More of them are about the electrical system than anything else.

Every Mercedes Benz SL55 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

12 2 3 7 3
03 04 05 06 07
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2007 — 3 0 0 — Engine & Cooling
2006 — 7 0 0 36,000 Steering
2005 — 3 0 0 — Electrical System
2004 — 2 0 0 — Brakes
2003 — 12 1 2 49,800 Fuel & Propulsion

What breaks on a Mercedes Benz SL55

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Electrical System 5 18.5%

Worst in 2003

Brakes 4 14.8%

Worst in 2003

Suspension 4 14.8%

Worst in 2006

Fuel & Propulsion 4 14.8%

Worst in 2003

Engine & Cooling 3 11.1%

Worst in 2003

Steering 2 7.4%

Worst in 2006

Transmission & Drivetrain 1 3.7%

Worst in 2003

Tires 1 3.7%

Worst in 2006

Wheels 1 3.7%

Worst in 2006

Stability & Traction Control 1 3.7%

Worst in 2004

Other & Unspecified 1 3.7%

Worst in 2003

Complaints filed over time

Every complaint about every Mercedes Benz SL55, by the month it reached NHTSA.

Sep 2007 peak 4 Feb 2026

Compare the Mercedes Benz SL55

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.

Mercedes Benz SL55 vs Volvo C40BEV Mercedes Benz SL55 vs BMW 530E Mercedes Benz SL55 vs Lexus ES Hybrid Mercedes Benz SL55 vs Keystone Alpine Mercedes Benz SL55 vs BMW 525XI Mercedes Benz SL55 vs Porsche 911 GT3