CarCostCheck

MERCEDES E 450 AMG LN NGT ED PRM + 4M A (2021)

Running costs, common problems, and reliability data based on 40 real MOT tests in 2024.

MOT Pass Rate

88%

Total Tests (2024)

40

Avg Mileage

18,399 mi

Est. Annual Cost

£2,187

Is the 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A reliable?

Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.

At 3 years old, 88% of MERCEDES E 450 AMG LN NGT ED PRM + 4M As from 2021 passed their MOT first time in 2024. That's based on 40 tests across the UK. The average mileage at this age is 18,399 miles.

How does the 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A compare?

Rank among all 2021 cars2912th out of 3,373(top 86%)
Rank among all MERCEDES models782th out of 1,408(top 56%)
vs national average+6% (82% avg)
vs 2021 cars average-4% (92% avg)
vs MERCEDES average+1% (87% avg)

Mileage Analysis

The average 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A has 18,399 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

How much does a 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A cost to run?

Fuel (Petrol, 2999cc)
£1,592
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£2,187
Per month£182/mo

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

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About the 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A

The 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A is a large car with a 2999cc petrol engine. 40 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 86% of 2021 cars for MOT pass rates.

With an average of 18,399 miles at 3 years old, MERCEDES E 450 AMG LN NGT ED PRM + 4M A owners drive about as much as the UK average.

2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A Fuel Costs

The 2999cc petrol engine is on the larger side, so fuel won't be this car's strong point. 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 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A?

Total estimated annual running cost is £2,187 182/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A

At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 40 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 MERCEDES E 450 AMG LN NGT ED PRM + 4M A

If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines: