How much does a 1991 MERCEDES E cost to run?

Estimated annual running cost is £2,577 (£215/month), including £1592 fuel, £430 road tax, £55 MOT, and £500 predicted repairs.

What is the MOT pass rate for a 1991 MERCEDES E?

The 1991 MERCEDES E has a 78% MOT pass rate based on 90 tests in 2026. This ranks 103 out of 179 cars from 1991.

Which year MERCEDES E is most reliable?

The 2022 MERCEDES E has the highest MOT pass rate at 96%. The least reliable year is 1997 at 77%.

MERCEDES E (1991)

Q: Is the 1991 MERCEDES E reliable?

Average reliability. Expect some repairs as it ages. 78% of MERCEDES Es from 1991 passed their MOT first time in 2026, based on 90 tests. That's 4 points below the national average of 82%.

Q: What is the average mileage for a 1991 MERCEDES E?

The average mileage for a 1991 MERCEDES E is 110,439 miles, which is significantly below the expected 259,000 miles for a 35-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Running costs, reliability data, and common problems from 90 real MOT tests.

Annual Cost

£2,577

£215/month

MOT Pass Rate

78%

Average

Road Tax

£430

Based on CC/year

Insurance

Grp 25-38

2299cc Petrol

Check Carefully

78% pass rate, £2577/year to run. Close to the national average.

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Petrol2299cc35 years old90 tests110k miles avg

Annual Running Costs

Fuel (Petrol, 2299cc)

~30 mpg

£1,592

Road Tax

Based on 2299cc

£430

MOT Test

£55

Predicted Repairs

£500

Total per year£2,577

Per month£215/mo

Per week£50/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

78% MOT pass rate(Average)

0%National avg: 82%100%

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 35 years old, 78% of MERCEDES Es from 1991 passed their MOT first time in 2026. That's based on 90 tests across the UK. The average mileage at this age is 110,439 miles.

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How Does It Compare?

Rank among 1991 cars103th of 179(top 58%)

Rank among MERCEDES models1181th of 1,408(top 84%)

vs national average-4%(82% avg)

vs 1991 cars average+0%(78% avg)

vs MERCEDES average-9%(87% avg)

Mileage Analysis

110,439

Average miles

259,000

Expected for age

The average 1991 MERCEDES E has 110,439 miles on the clock, which is significantly below the expected 259,000 miles for a 35-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

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Best Year to Buy?

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%.

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

Similar Cars to Consider

BMW 3 SERIES

1990 · 1990cc Petrol

£1,867/year

84%

+6%

MERCEDES 190 E

1992 · 1997cc Petrol

£2,017/year

79%

+1%

SAAB 900

1993 · 1985cc Petrol

£2,017/year

73%

-5%

FORD ESCORT

1993 · 1993cc Petrol

£1,867/year

83%

+5%

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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 2026, 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 35 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 £2,577 (£215/month), broken down as £1592 fuel, £430 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 35 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.

Common Issues to Watch For

Based on the 1991 MERCEDES E's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 35 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Oil Consumption

Medium risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Watch out

With an average of 110k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 1991 MERCEDES E stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MERCEDES E(1991)	78%	£1592	£430	Grp 25-38	£2577
BMW 3 SERIES(1990)	84%	£1327	£135	Grp 18-32	£1867-£710
MERCEDES 190 E(1992)	79%	£1327	£135	Grp 18-32	£2017-£560
SAAB 900(1993)	73%	£1327	£135	Grp 18-32	£2017-£560
FORD ESCORT(1993)	83%	£1327	£135	Grp 18-32	£1867-£710

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.