MERCEDES E (1991)
Running costs, common problems, and reliability data based on 90 real MOT tests in 2024.
MOT Pass Rate
78%
Total Tests (2024)
90
Avg Mileage
110,439 mi
Est. Annual Cost
£2,397
Is the 1991 MERCEDES E reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 33 years old, 78% of MERCEDES Es from 1991 passed their MOT first time in 2024. That's based on 90 tests across the UK. The average mileage at this age is 110,439 miles.
How does the 1991 MERCEDES E compare?
Mileage Analysis
The average 1991 MERCEDES E has 110,439 miles on the clock, which is significantly below the expected 244,200 miles for a 33-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
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 1991 sits between the two at 78%.
How much does a 1991 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 1991 MERCEDES E
The 1991 MERCEDES E is a large car with a 2299cc petrol engine. 90 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 1991, the average MOT pass rate is 78%, and this model falls short of that benchmark.
With an average of 110,439 miles at 33 years old, MERCEDES E owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
1991 MERCEDES E Fuel Costs
The 2299cc petrol engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 1991 MERCEDES E?
Total estimated annual running cost is £2,397 (£200/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.
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 1991 MERCEDES E
At 33 years old, the MERCEDES E is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2022 model has the highest pass rate at 96%. Note: with only 90 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 1991 MERCEDES E
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- BMW 3 SERIES (1990) 84% pass rate (+6%) from 3,316 tests
- MERCEDES 190 E (1992) 79% pass rate (+1%) from 1,492 tests
- SAAB 900 (1993) 73% pass rate (-5%) from 1,312 tests
- FORD ESCORT (1993) 83% pass rate (+5%) from 1,097 tests