2018 Mercedes-Benz E-Class · 81,312 MOT tests
2018 Mercedes-Benz E-Class reliability
2018 Mercedes-Benz E-Classs fail 13.5% of first MOT tests, 22% fewer MOT fails than the average car its age and mileage, ranking 19 of 24 E-Class years (81,312 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz E-Classs: 21%)
- 13.5%
- first-time fail rate (all Mercedes-Benz E-Classs: 21%)
- fails than cars of the same age and mileage
- 22% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 46,662
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 81,312
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 30% fewer MOT fails than the average car its age (the 2018 car does worse)
- 2019 cars: 25% fewer MOT fails than the average car its age (the 2018 car does worse)
- Weak spot: wheels, 1.5% of tests fail here (474% above cars of the same age and mileage).
- Strong point: lights and electrics, 72% fewer fails than comparable cars.
- Plates: a 2018 car carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Common problems
What fails on a 2018 Mercedes-Benz E-Class
Fail rate by area
- Tyres7.7%
- Suspension1.7%
- Wheels1.5%
- Lights and electrics1.4%
- Brakes1.2%
- Exhaust, emissions and leaks1.1%
- Windscreen, wipers and mirrors1.1%
Average for cars of the same age and mileage
Top failures
Tyre ply or cords exposed 2%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre tread below 1.6mm 1.79%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 1.4%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Suspension ball joint excessively worn 1.04%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Road wheel fractured or welded defect 1.01%
A fractured wheel can fail suddenly and cause loss of control, so it must be replaced before driving.
Tyre bulge from structural failure 0.95%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Common advisories
Tyre worn close to legal limit (10.92%) · Brake pads wearing thin (5.6%) · Suspension ball joint slight play (2.44%) · Brake disc pitted or scored (2.27%) · Brake discs showing some wear (1.89%) · Tyre slightly damaged or cracking (1.81%)
Other years
Every Mercedes-Benz E-Class year
The full picture: Mercedes-Benz E-Class reliability. Before you pay for any Mercedes-Benz E-Class, 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 2018 Mercedes-Benz E-Class reliable?
2018 Mercedes-Benz E-Classs fail 13.5% of first MOT tests, 22% fewer MOT fails than the average car its age and mileage, ranking 19 of 24 E-Class years (81,312 DVSA tests, 2022 to 2024).
What fails on a 2018 Mercedes-Benz E-Class MOT?
Most often tyre ply or cords exposed (2% of tests), tyre tread below 1.6mm (1.79% of tests), tyre cut reaching ply or cords (1.4% of tests).
How many miles should a 2018 Mercedes-Benz E-Class have done?
At its MOT aged about 5, a typical 2018 Mercedes-Benz E-Class shows 46,662 miles. Much higher or lower is worth asking about.
What plate is a 2018 car?
A car first registered in 2018 carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
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