Should I check the MOT history before buying a 2021 Mercedes Benz Sprinter 314 Progressive CDI?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Mercedes Benz Sprinter 314 Progressive CDI?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Mercedes Benz Sprinter 314 Progressive CDI?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Do I need an HPI check when buying a 2021 Mercedes Benz Sprinter 314 Progressive CDI?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Mercedes Benz Sprinter 314 Progressive CDI (2021)

Q: Is the 2021 Mercedes Benz Sprinter 314 Progressive CDI reliable?

Based on MOT data from 6,490 vehicles, the 2021 Mercedes Benz Sprinter 314 Progressive CDI has a first-time MOT pass rate of 88.2%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

6,490 real MOT outcomes analysed • 88.2% first-time pass rate

2021 Mercedes Benz Sprinter 314 Progressive CDI

CarHunch analysed 6,490 real MOT records for the 2021 Mercedes Benz Sprinter 314 Progressive CDI. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Colour Breakdown Compare Models

The 2021 Mercedes-Benz Sprinter 314 CDI passes its MOT first time in 86.6% of cases, comfortably above the UK average of 80%, which is a solid endorsement of reliability for a three-year-old van. Dangerous defects are rare at just 8.2%, so safety issues aren't a significant buyer concern.

At 107,881 km average mileage, these vans are racking up distance as you'd expect for a commercial workhorse, yet they're still delivering strong pass rates. Failures average 0.39 per vehicle and advisories 1.7, suggesting routine maintenance issues rather than structural problems—when you're looking at one, have a pre-purchase inspection focus on brake condition and suspension wear, the typical wear items on high-mileage diesels.

The 2021 Mercedes Benz Sprinter 314 Progressive CDI passes its MOT first time more often than most UK vehicles (88.2% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ About 1 in 12 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

88.2%

UK average ~80%

Better than average

Dangerous (ever)

8.2%

At least once in MOT history

Check this vehicle

Avg failures / car

0.39

Over 2.4 tests on record

Low

Typical mileage

97k

Middle half: 67k–137k

For context

✅ Good baseline reliability. A 88.2% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔧 Expect consumable spend. An average of 1.7 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 6,490 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.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 6,490 Mercedes Benz Sprinter 314 Progressive CDI cars.

Before you buy a 2021 Mercedes Benz Sprinter 314 Progressive CDI

Based on MOT data from 6,490 vehicles — here's what to check.

📋 Check the full MOT history. 8.2% 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 →
📄 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 Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Diesel (100%)	6,489	88.2%	0.39

Colour Breakdown

Based on 9,749 Mercedes Benz Sprinter 314 Progressive CDI vehicles registered in the UK — across all years. From DVLA registration records.

White 67.1%

6,545

Green 20.7%

2,017

Yellow 4.3%

415

Blue 3.4%

331

Grey 1.8%

174

Silver 1.7%

169

Black 0.7%

Red 0.3%

Mileage Distribution

Most 2021 Mercedes Benz Sprinter 314 Progressive CDI 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.

97,277

typical

66,897

low mileage

136,847

high mileage

Half of all 2021 Mercedes Benz Sprinter 314 Progressive CDI vehicles fall between 66,897 and 136,847 miles.

Is the mileage you're seeing normal?

✓ Under 66,897 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.

✓ 66,897–136,847 miles — normal for age. This is where most 2021 Mercedes Benz Sprinter 314 Progressive CDIs sit.

⚠ Over 184,743 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.4

Avg MOT tests per vehicle

0.39

Avg failures per vehicle

1.7

Avg advisories per vehicle

Other model years — Mercedes Benz Sprinter 314 Progressive CDI: All Sprinter 314 Progressive CDI years → Which year to buy? →

2020 2022

Or browse all models: Mercedes Benz →

Compare with another model

See how the 2021 Mercedes Benz Sprinter 314 Progressive CDI stacks up against a rival.

A solid choice — agree?