Mercedes-Benz SL Problems by Model Year
NHTSA recorded 28 consumer complaints across the 2 model years of the Mercedes-Benz SL (1994–1995) that have at least 5 complaints. 1994 has the most, with 15. Across all years, the part named most often is electrical system (25 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All SL model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 1995 | 13 | 72,000 | 0 | 3 | — | Not enough data |
| 1994 | 15 | 82,560 | 0 | 3 | — | Stable |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Electrical system25 68%
- Vehicle speed control2 5.4%
- Equipment2 5.4%
- Engine cooling2 5.4%
- Electronic stability control2 5.4%
- Brakes2 5.4%
- Visibility (wipers, defrost, mirrors)1 2.7%
- Transmission and drivetrain1 2.7%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
1995: “I recently purchased a 1995 mercedes benz model sl600. Shortly after getting the car home the check engine light came on and a few days after that the asr warning light came on so I started to research what might be causing the problems. After extensive research I found an online website which had several articles about the possible causes. The website recommended that the wiring should be inspected for cracking and deterioration of the insulation. …”
NHTSA complaint #10394462, filed 2011-04, 79,500 miles1994: “I have a 1994 600sl mercedes (35,000 miles) with complete break down of all the electrical wire insulation. Upon my investigation I find that every SL has this problem. I would like mercedes to replace all the wiring harnesses including the harness to the throttle bodies.”
NHTSA complaint #10232050, filed 2008-06, 34,500 milesOther Mercedes-Benz models
3,965 complaintsMercedes-Benz E350
2,215 complaintsMercedes-Benz E320
1,164 complaintsMercedes-Benz ML350
952 complaintsMercedes-Benz GLK350
901 complaintsMercedes-Benz ML320
740 complaintsMercedes-Benz C250
725 complaintsMercedes-Benz GLC 300
659 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology