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How reliable is the Mercedes Benz Sl?

Owner-reported reliability data: inspection results, typical mileage, and the most common failures.

The Mercedes Benz Sl consistently passes first-time inspections at an above-average rate. The most commonly reported issues are engine mil illuminated indicating a malfunction, a tyre seriously damaged, brake pipe damaged or excessively corroded. Typical mileage by age and a year-by-year breakdown of reliability are shown below. All figures are owner-reported real-world data, not a marketing rating.

Reliability & Breakdown Risk
90.6% pass rate

Above average reliability

Based on 3,673 inspection tests. First-time pass rate: 90.6%.

First-time inspection pass rate90.6%
Dangerous defect rate
2.1%
Retest rate
10.9%
Typical mileage by age2014 cohort
Age 3
-
Age 5
-
Age 10
73,038 km
Annual mileage distributionfrom 21 vehicles
Bottom 10%
1,861 km
Low 25%
3,298 km
Median
4,109 km
High 25%
7,847 km
Top 10%
12,146 km
Most common inspection failures
Engine MIL illuminated indicating a malfunction1.1%
A tyre seriously damaged0.9%
Brake pipe damaged or excessively corroded0.8%
A tyre cords visible or damaged0.7%
A tyre seriously damaged0.6%
Where failures most often occur
Front Offside(1.4%)
Rear Nearside(1.4%)
Front Nearside(1.1%)
Reliability indicators are model-level averages from Carlytics-analyzed inspection and breakdown records, not specific to this individual vehicle.

Mercedes Benz Sl reliability by year

How the Mercedes Benz Sl performs at first-time inspection, broken down by the year cohort. Empty cells mean we don't have enough owner-reported data for that year yet.

Year cohortPass rateTypical mileage @ 5 yrs
198388.9%–
198476.7%–
198585.5%–
198681.1%–
198784.5%–
198886.1%–
198982.6%–
199082.2%–
199186.6%–
199286%–
199388.8%–
199485.7%–
199584.7%–
199686.6%–
199786.3%–
199885%–
199985.5%–
200085%–
200188.1%–
200285.8%–

Model-level pattern, not per-car prediction

These figures describe the Mercedes Benz Sl as a model. The reliability of any individual Mercedes Benz Sl also depends on service history, accident history, and how it was driven. Run a free VIN check to see the records attached to a specific car you're considering.

Buying a Mercedes Benz Sl?

Reliability tells you the pattern. A VIN check tells you the car.

Frequently asked questions

Is the Mercedes Benz Sl reliable?

Based on owner-reported inspection records, the Mercedes Benz Sl consistently passes first-time inspections at an above-average rate. Its first-time inspection pass rate sits around 91%. Reliability varies by year and engine: see the year-by-year breakdown on this page for the specific cohort you're considering.

What are the common problems on the Mercedes Benz Sl?

The most common owner-reported issues are: Engine MIL illuminated indicating a malfunction (1.1% of inspections); A tyre seriously damaged (0.9% of inspections); Brake pipe damaged or excessively corroded (0.8% of inspections); A tyre cords visible or damaged (0.7% of inspections); A tyre seriously damaged (0.6% of inspections).

What mileage is normal for a Mercedes Benz Sl?

For a typical Mercedes Benz Sl, owner-reported average mileage works out to about – at 3 years, – at 5 years, and 73,038 km at 10 years. The mileage section on this page shows the full distribution, high-use vs low-use cars often differ by a factor of three.

How do I check a specific Mercedes Benz Sl before buying?

Enter the 17-character VIN on Carlytics. The free check shows decoded specs and open safety recalls. The full vehicle history report (from EUR 8.90) cross-references owner-reported issues, mileage records, and stolen-vehicle databases for the specific car, model-level reliability tells you the pattern, the VIN check tells you the car.

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