MERCEDES E (2018)
Running costs, common problems, and reliability data based on 47,312 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
47,312
Avg Mileage
65,452 mi
Est. Annual Cost
£1,482
Is the 2018 MERCEDES E reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 6 years old, 90% of MERCEDES Es from 2018 passed their MOT first time in 2024. That's based on 47,312 tests across the UK. The average mileage at this age is 65,452 miles.
How does the 2018 MERCEDES E compare?
Mileage Analysis
The average 2018 MERCEDES E has 65,452 miles on the clock, which is above the expected 44,400 miles for a 6-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a MERCEDES E?
The most reliable year is the 2022 model with a 96% MOT pass rate, while the 1997 model has the lowest at 77%. The 2018 sits between the two at 90%.
How much does a 2018 MERCEDES E cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES E by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2023 | 92% | 53 | 32,945 mi |
| 2022 | 96% | 126 | 59,884 mi |
| 2021 | 92% | 4,602 | 34,724 mi |
| 2020 | 90% | 14,944 | 39,756 mi |
| 2019 | 90% | 41,000 | 54,796 mi |
| 2018 | 90% | 47,312 | 65,452 mi |
| 2017 | 89% | 47,254 | 81,087 mi |
| 2016 | 89% | 42,891 | 87,292 mi |
| 2015 | 86% | 44,602 | 93,549 mi |
| 2014 | 84% | 44,780 | 95,170 mi |
| 2013 | 82% | 42,002 | 100,537 mi |
| 2012 | 81% | 31,910 | 105,440 mi |
| 2011 | 81% | 30,211 | 107,589 mi |
| 2010 | 80% | 25,610 | 111,787 mi |
| 2009 | 80% | 14,250 | 119,764 mi |
| 2008 | 79% | 8,606 | 134,385 mi |
| 2007 | 80% | 10,451 | 135,015 mi |
| 2006 | 79% | 7,256 | 133,383 mi |
| 2005 | 78% | 8,269 | 136,951 mi |
| 2004 | 78% | 8,333 | 138,870 mi |
| 2003 | 78% | 5,869 | 136,033 mi |
| 2002 | 79% | 2,009 | 120,200 mi |
| 2001 | 77% | 1,446 | 110,720 mi |
| 2000 | 79% | 1,031 | 110,044 mi |
| 1999 | 81% | 1,453 | 121,790 mi |
| 1998 | 83% | 1,696 | 116,683 mi |
| 1997 | 77% | 975 | 105,694 mi |
| 1996 | 78% | 1,535 | 128,722 mi |
| 1995 | 79% | 2,442 | 133,725 mi |
| 1994 | 79% | 2,118 | 129,558 mi |
| 1993 | 78% | 599 | 123,052 mi |
| 1992 | 80% | 148 | 142,883 mi |
| 1991 | 78% | 90 | 110,439 mi |
| 1990 | 82% | 85 | 135,367 mi |
Checking a specific MERCEDES E?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 MERCEDES E
The 2018 MERCEDES E is a family car with a 1950cc diesel engine. 47,312 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.
With an average of 65,452 miles at 6 years old, MERCEDES E owners cover more miles than the average driver.
2018 MERCEDES E Fuel Costs
The 1950cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2018 MERCEDES E?
Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES E Reliability Trend
Newer MERCEDES Es show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2018 MERCEDES E
At 6 years old, the MERCEDES E offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2022 model has the highest pass rate at 96%. With 47,312 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2018 MERCEDES E
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2017) 91% pass rate (+1%) from 127,682 tests
- FORD FOCUS (2019) 89% pass rate (-1%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (+1%) from 89,588 tests
- MERCEDES A-CLASS (2017) 88% pass rate (-2%) from 82,055 tests