Reliability Report · Multi-Source Data

Mercedes-Benz SL Reliability

The Mercedes-Benz SL (current generation) scores 94/100 on our composite reliability index — excellent territory — drawn from DVSA data.

Composite Score
94
/ 100
Excellent
Sources: DVSA · latest 2024
Market Snapshot
Documented issues0
Listings in catalogue0
Found a listing?
Get a personalized risk + price verdict in 30 seconds.
carVertical20% off for AutoFindr readers

Buying a Mercedes-Benz SL? Check its VIN history first

Reliability data covers the model. A VIN history report covers the exact Mercedes-Benz SL you're looking at — accident and write-off records, mileage rollback, outstanding finance and theft checks.

carVertical is our one disclosed affiliate partner — we earn a commission if you buy a report. It doesn't affect our reliability scores, which come from TÜV, ADAC, DVSA MOT and NHTSA data.

Reliability by Source

Each independent organization measures reliability differently. TÜV reports inspection defect rates by age band. ADAC reports pan-European breakdowns per 1,000 vehicles. NHTSA aggregates US consumer complaints. DVSA MOT data is the UK fleet's annual safety inspection — every car 3+ years old. Lower variance across sources = higher confidence in the composite.

DVSA MOT (UK Inspections)
Model years 2004–2021 · 2024 report · n=26090
26,090 UK MOT tests · overall 10.4% fail rate vs UK fleet baseline
View source ↗
96
/ 100
DVSA MOT (UK Inspections)
Model years 2003–2020 · 2023 report · n=14575
14,575 UK MOT tests · overall 14.2% fail rate vs UK fleet baseline
View source ↗
91
/ 100

UK MOT Reliability Detail

Based on 26,090 MOT tests in the UK during the 2024 reporting period. Score for each age band reflects this model's fail rate vs the UK-fleet baseline fail rate at the same age — a generation-aware metric.

Age 35 yrs
98
3.3% fail vs 10.9% fleet
824 tests
Age 69 yrs
96
6.7% fail vs 19.2% fleet
6,684 tests
Age 1014 yrs
97
10.4% fail vs 32.1% fleet
7,318 tests
Age 1520 yrs
96
13.1% fail vs 38.8% fleet
11,264 tests

Most Common MOT Failure Categories

#1
Condition
2,557
31.5%
#2
Ball joint dust cover
2,531
31.1%
#3
Windscreen
1,245
15.3%
#4
Ball joint
910
11.2%
#5
Mirrors
884
10.9%

Categories ranked across all MOT tests of this model in the UK during the 2024 period. "Condition" covers cosmetic / wear issues; suspension and braking dominate the rest.

Compare Against Alternatives

See how the Mercedes-Benz SL stacks up against direct rivals — same segment, similar price band, side-by-side risk + reliability.

Open the comparison tool →