MERCEDES E 300 AMG LN NGT ED PRM + DE A (2020)
Running costs, reliability data, and common problems from 109 real MOT tests.
Annual Cost
£1,777
£148/month
MOT Pass Rate
93%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1950cc Petrol
Great Choice
93% pass rate, £1777/year to run. 11 points above average.
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Annual Running Costs
~36 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 6 years old, 93% of MERCEDES E 300 AMG LN NGT ED PRM + DE As from 2020 passed their MOT first time in 2026. That's based on 109 tests across the UK. The average mileage at this age is 51,867 miles.
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How Does It Compare?
Mileage Analysis
51,867
Average miles
44,400
Expected for age
The average 2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A has 51,867 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2022 model with a 96% MOT pass rate, while the 2021 model has the lowest at 92%. The 2020 sits between the two at 93%.
MERCEDES E 300 AMG LN NGT ED PRM + DE A by Year
Similar Cars to Consider
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About the 2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A
The 2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A is a family car with a 1950cc petrol engine. 109 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 51,867 miles at 6 years old, MERCEDES E 300 AMG LN NGT ED PRM + DE A owners drive about as much as the UK average.
2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A Fuel Costs
The 1950cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A?
Total estimated annual running cost is £1,777 (£148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES E 300 AMG LN NGT ED PRM + DE A Reliability Trend
The MERCEDES E 300 AMG LN NGT ED PRM + DE A has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A
At 6 years old, the MERCEDES E 300 AMG LN NGT ED PRM + DE A 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%.
Common Issues to Watch For
Based on the 2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A's fuel type, age, and engine size, these are the most likely problem areas to check.
Service History
Low riskAlways 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 2020 MERCEDES E 300 AMG LN NGT ED PRM + DE A stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES E 300 AMG LN NGT ED PRM + DE A(2020) | 93% | £1327 | £195 | Grp 18-32 | £1777 |
| LAND ROVER DISCOVERY SPORT R-DYN SE D A(2020) | 90% | £1327 | £190 | Grp 18-32 | £1772-£5 |
| BMW 520D M SPORT MHEV AUTO(2021) | 89% | £1327 | £190 | Grp 18-32 | £1922+£145 |
| BMW 320D M SPORT MHEV AUTO(2021) | 91% | £1327 | £190 | Grp 18-32 | £1772-£5 |
| VOLVO XC90 R-DESIGN B5 MHEV AWD AUTO(2021) | 90% | £1327 | £190 | Grp 18-32 | £1772-£5 |
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.
Related Mercedes Models
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MERCEDES A
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MERCEDES C
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MERCEDES A-CLASS
2017 · 1461cc Diesel
LAND ROVER DISCOVERY SPORT R-DYN SE D A
2020 · 1999cc Petrol
BMW 520D M SPORT MHEV AUTO
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BMW 320D M SPORT MHEV AUTO
2021 · 1995cc Petrol
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