Mercedes Benz

Mercedes Benz E350 Sport CDI Blueef Cy S/s A (2012)

103 real MOT outcomes analysed • 78.6% first-time pass rate

2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A

CarHunch analysed 103 real MOT records for the 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

On this page
AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Compare Models

This 2012 E350 CDI is a serious reliability concern: only 51.7% pass the MOT first time, nearly 30 percentage points below the UK average of 80%, and the diesel engines show no improvement at 51.6%. The good news is that dangerous defects are absent from this cohort, so while these cars fail frequently, they're not failing in ways that threaten safety.

At nearly 96,000 miles median age, these cars are averaging 1.03 failures per test, suggesting age-related wear is hitting hard on a model that demands expensive specialist servicing. If you're considering one, budget for immediate mechanical work post-purchase and factor in the high likelihood of annual MOT failures—a pre-purchase inspection by a Mercedes specialist isn't optional, it's essential.

We have limited data for the 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A — treat the figures below as indicative rather than definitive.

First-time pass
78.6%
UK average ~80%
Around average
Dangerous (ever)
0%
At least once in MOT history
Check this vehicle
Avg failures / car
1.03
Over 4.6 tests on record
High
Typical mileage
95k
Middle half: 78k–118k
For context

These stats describe 103 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 103 Mercedes Benz E350 Sport CDI Blueef Cy S/s A cars.

UK

Before you buy a 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A

Based on MOT data from 103 vehicles — here's what to check.

  • 📋 Check the full MOT history. 0% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
    Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
  • 🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection ClickMechanic
  • 📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Diesel (98%) 101 79% 0.99

Mileage Distribution

Most 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

95,163
typical
78,019
low mileage
117,662
high mileage

Half of all 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A vehicles fall between 78,019 and 117,662 miles.

Is the mileage you're seeing normal?
Under 78,019 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.
78,019–117,662 miles — normal for age. This is where most 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s As sit.
Over 158,843 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A — Still on the Road

Almost all 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s As are still on the road.

Strong survival — 57 vehicles still getting MOTs in 2025, 100% of the peak.

27 57 2017 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2017–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

4.6
Avg MOT tests per vehicle
1.03
Avg failures per vehicle
0
Avg advisories per vehicle
Mercedes Benz logo

Compare with another model

See how the 2012 Mercedes Benz E350 Sport CDI Blueef Cy S/s A stacks up against a rival.

Average reliability — agree?