VEHICLE BUYER'S GUIDE
Mercedes-Benz SL1990–2022
Year-by-year buyer intelligence from NHTSA safety data — reliability, value, and which years to target or avoid.
Best Years to Buy a Mercedes-Benz SL
Buyer Score combines reliability (65%) and depreciation value (35%) — higher is better.
Mercedes-Benz SL Years to Avoid
1 recall · 58 complaints
1 reported injury
Top issue: SUSPENSION
1 recall · 32 complaints
4 reported injuries
Top issue: SUSPENSION
1 recall · 12 complaints
Top issue: ENGINE
Federal Defect Investigations
NHTSA investigations are the stage that precedes a recall. 1 past investigation into the SL became recall.
Source: NHTSA Office of Defects Investigation. Data current as of September 15, 2026.
Mercedes-Benz SL — Year-by-Year Comparison
Every model year ranked by Buyer Score. Click any year for its detailed problem report.
| Year | Recalls | Complaints | Injuries | Deaths | Reliability | Value | Buyer Score | Verdict |
|---|---|---|---|---|---|---|---|---|
| 2022 | 0 | 0 | — | — | 75 | 83 | 78 | Excellent |
| 2021 | 0 | 0 | — | — | 75 | 86 | 79 | Excellent |
| 2020 | 1 | 5 | 3 | — | 50 | 85 | 62 | Good |
| 2019 | 3 | 0 | — | — | 63 | 81 | 69 | Good |
| 2018 | 2 | 1 | — | — | 68 | 75 | 70 | Good |
| 2017 | 2 | 1 | — | — | 68 | 68 | 68 | Good |
| 2016 | 0 | 1 | — | — | 75 | 61 | 70 | Excellent |
| 2015 | 0 | 2 | — | — | 75 | 54 | 68 | Excellent |
| 2014 | 1 | 3 | — | — | 70 | 48 | 62 | Excellent |
| 2013 | 1 | 12 | — | — | 50 | 43 | 48 | Good |
| 2012 | 0 | 0 | — | — | 75 | 39 | 62 | Excellent |
| 2011 | 0 | 3 | — | — | 75 | 36 | 61 | Excellent |
| 2010 | 0 | 0 | — | — | 75 | 36 | 61 | Excellent |
| 2009 | 0 | 12 | — | — | 55 | 36 | 48 | Good |
| 2008 | 0 | 3 | — | — | 75 | 36 | 61 | Excellent |
| 2007 | 0 | 10 | — | — | 60 | 36 | 52 | Good |
| 2006 | 0 | 11 | — | — | 58 | 36 | 50 | Good |
| 2005 | 0 | 14 | — | — | 50 | 36 | 45 | Good |
| 2004 | 1 | 32 | 4 | 2 | 50 | 36 | 45 | Avoid |
| 2003 | 1 | 58 | 1 | — | 50 | 36 | 45 | Avoid |
| 2002 | 0 | 1 | — | — | 75 | 36 | 61 | Excellent |
| 2001 | 0 | 2 | — | — | 75 | 36 | 61 | Excellent |
| 2000 | 0 | 3 | — | — | 75 | 36 | 61 | Excellent |
| 1999 | 0 | 2 | — | — | 75 | 36 | 61 | Excellent |
| 1998 | 0 | 16 | — | — | 50 | 36 | 45 | Good |
| 1997 | 2 | 6 | 2 | — | 50 | 36 | 45 | Good |
| 1996 | 1 | 5 | 3 | — | 50 | 36 | 45 | Good |
| 1995 | 0 | 25 | 4 | — | 50 | 36 | 45 | Caution |
| 1994 | 0 | 9 | — | — | 63 | 36 | 54 | Good |
| 1993 | 0 | 6 | — | — | 70 | 36 | 58 | Excellent |
| 1992 | 0 | 0 | — | — | 75 | 36 | 61 | Excellent |
| 1991 | 0 | 0 | — | — | 75 | 36 | 61 | Excellent |
| 1990 | 0 | 0 | — | — | 75 | 36 | 61 | Excellent |
Buyer Score = Reliability (65%) + Value window (35%). Deaths and injuries sourced from NHTSA complaint filings. Year links open full NHTSA problem reports.
Known Mercedes-Benz SL Problems
Most frequently reported components across all model years, from NHTSA owner complaints.
Complaint counts across all model years. Numbers indicate frequency, not severity.
Shopping by Era
How each generation of the SL compares — best year within each era shown.
2018–Present
Modern safety tech, refreshed platforms, updated powertrains. Higher purchase price but lower reliability risk. Best pick in this era: 2021 (Buyer Score 79).
2013–2017
Mid-decade models in the depreciation sweet spot — typically 35–55% below original MSRP. Inspect carefully for powertrain wear and recall completion. Best: 2016 (Buyer Score 70).
Frequently Asked Questions
What is the best year SL to buy?+
The 2016 Mercedes-Benz SL scores highest on our Buyer Score (70/100) — combining a reliability score of 75/100 with a value score of 61/100. It has 0 recalls and 1 NHTSA complaint on record.
Which SL years have the most problems?+
The 2003, 2004, 2013 model years have the highest problem scores in our analysis. The 2003 SL leads with 1 recalls and 58 owner complaints.
What is the Buyer Score?+
The Buyer Score is a composite metric that combines reliability (65% weight) and depreciation value (35% weight). Reliability reflects recall and complaint severity. Value reflects how much of the vehicle's depreciation has already been absorbed by prior owners — a 4–6 year old vehicle typically sits in the sweet spot.
What are the most common SL problems?+
The most frequently reported Mercedes-Benz SL issues involve: SUSPENSION, ELECTRICAL SYSTEM, SERVICE BRAKES, ENGINE. These are aggregated across all model years from NHTSA owner complaint filings. Frequency of complaints does not necessarily indicate severity.
Deep-Dive Research
A buyer's guide shows model-level risk. A VIN report shows the individual vehicle — accidents, odometer history, open recalls, and auction records.