2014 Mercedes-Benz SL · 4,555 MOT tests
2014 Mercedes-Benz SL reliability
2014 Mercedes-Benz SLs fail 11.1% of first MOT tests, 49% fewer MOT fails than the average car its age and mileage, ranking 12 of 23 SL years (4,555 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz SLs: 15.3%)
- 11.1%
- first-time fail rate (all Mercedes-Benz SLs: 15.3%)
- fails than cars of the same age and mileage
- 49% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 9
- 40,951
- typical miles at its MOT, aged about 9
- MOT tests, 2022 to 2024
- 4,555
- MOT tests, 2022 to 2024
Year on year
2014 against the years either side
- 2013 cars: 38% fewer MOT fails than the average car its age (the 2014 car does better)
- 2015 cars: 48% fewer MOT fails than the average car its age (the 2014 car does better)
- Weak spot: exhaust, emissions and leaks, 2.2% of tests fail here (42% above cars of the same age and mileage).
- Strong point: lights and electrics, 75% fewer fails than comparable cars.
- Plates: a 2014 car carries a 63 plate (January–February 2014), or a 14 plate (March–August 2014), or a 64 plate (September–December 2014).
Common problems
What fails on a 2014 Mercedes-Benz SL
Fail rate by area
- Tyres4.9%
- Exhaust, emissions and leaks2.2%
- Suspension2%
- Lights and electrics1.7%
- Brakes1.3%
- Windscreen, wipers and mirrors1%
- Wheels0.5%
Average for cars of the same age and mileage
Top failures
Engine warning light inoperative or lit 1.34%
An engine warning light that is lit or not working can hide faults, so diagnosis is needed before buying.
Tyre cut reaching ply or cords 1.23%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre ply or cords exposed 1.23%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre bulge from structural failure 0.94%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Coil spring fractured or broken 0.55%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Suspension ball joint excessively worn 0.48%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Common advisories
Tyre worn close to legal limit (6.34%) · Tyre slightly damaged or cracking (3.36%) · Brake pipes corroded and greasy (2.9%) · Brake pads wearing thin (2.35%) · Brake disc pitted or scored (2.06%) · Suspension ball joint slight play (1.91%)
Other years
Every Mercedes-Benz SL year
The full picture: Mercedes-Benz SL reliability. Before you pay for any Mercedes-Benz SL, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2014 Mercedes-Benz SL reliable?
2014 Mercedes-Benz SLs fail 11.1% of first MOT tests, 49% fewer MOT fails than the average car its age and mileage, ranking 12 of 23 SL years (4,555 DVSA tests, 2022 to 2024).
What fails on a 2014 Mercedes-Benz SL MOT?
Most often engine warning light inoperative or lit (1.34% of tests), tyre cut reaching ply or cords (1.23% of tests), tyre ply or cords exposed (1.23% of tests).
How many miles should a 2014 Mercedes-Benz SL have done?
At its MOT aged about 9, a typical 2014 Mercedes-Benz SL shows 40,951 miles. Much higher or lower is worth asking about.
What plate is a 2014 car?
A car first registered in 2014 carries a 63 plate (January–February 2014), or a 14 plate (March–August 2014), or a 64 plate (September–December 2014).
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