Mercedes-Benz S 350 L Grand Ed Executive D A: MOT pass rate and reliability data

The Mercedes-Benz S 350 L Grand Ed Executive D A passes its MOT first time more often than the average UK car, by 14.3 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 513 individual Mercedes-Benz S 350 L Grand Ed Executive D A tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate91%
UK national average76.7%
Difference+14.3 points
Tests analysed513
Average mileage at test52,895 miles
Average year of manufacture2020
Reliability rank550 of 2,005 models

What this means if you are buying one

A 91% first-time pass rate means roughly 9 in every 100 Mercedes-Benz S 350 L Grand Ed Executive D As presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Mercedes-Benz S 350 L Grand Ed Executive D A tested had covered 52,895 miles and was built around 2020.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Mercedes-Benz S 350 L Grand Ed Executive D A bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Mercedes-Benz S 350 L Grand Ed Executive D A rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Mercedes-Benz S 350 L Grand Ed Executive D As actually sold for at UK salvage auction.

Most common MOT failures on a Mercedes-Benz S 350 L Grand Ed Executive D A

  1. Tyre tread depth not in accordance with the requirements, 1.6% of tests
  2. A tyre seriously damaged, 1.1% of tests
  3. A tyre cords visible or damaged, 0.9% of tests
  4. A suspension pin, bush or joint excessively worn, 0.5% of tests
  5. a brake lining or pad worn below 1.5mm, 0.5% of tests
  6. Tyres on the same axle or on twin wheels are different sizes, 0.4% of tests (4.85x the national rate for this defect)
  7. A tyre fouling a part of the vehicle, 0.3% of tests (14.53x the national rate for this defect)
  8. A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber, 0.2% of tests (1.54x the national rate for this defect)
  9. Number plate missing or so insecure that it is likely to fall off, 0.2% of tests (6.52x the national rate for this defect)
  10. An SRS malfunction indicator lamp (MIL) indicates a system malfunction, 0.1% of tests

From 1,389 DVSA-tracked Mercedes-Benz S 350 L Grand Ed Executive D A tests, 2024. DVSA testers marked 7.94% of these flagged Mercedes-Benz S 350 L Grand Ed Executive D A defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

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