Mercedes Benz

Mercedes Benz C 320 (2004)

290 real MOT outcomes analysed • 75.2% first-time pass rate

2004 Mercedes Benz C 320

CarHunch analysed 290 real MOT records for the 2004 Mercedes Benz C 320. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

Limited data for this trim variant. The DVLA records this vehicle under a specific trim-level name with only 290 vehicles on record — some statistics may not be reliable at this sample size.

See the full 2004 MERCEDES-BENZ C (27,740 vehicles)

We have limited data for the 2004 Mercedes Benz C 320 — treat the figures below as indicative rather than definitive.

⚠️ Over 1 in 5 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
75.2%
UK average ~80%
Around average
Dangerous (ever)
43.5%
At least once in MOT history
Check this vehicle
Avg failures / car
4.73
Over 18.2 tests on record
High
Typical mileage
74k
Middle half: 57k–95k
For context

These stats describe 290 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.

Watch for defects — worth knowing

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 290 Mercedes Benz C 320 cars.

UK

Before you buy a 2004 Mercedes Benz C 320

Based on MOT data from 290 vehicles — here's what to check.

  • 📋 Check the full MOT history. 43.5% 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
Petrol (98%) 285 75.2% 4.75

Colour Breakdown

Based on 4,523 Mercedes Benz C 320 vehicles registered in the UK — across all years. From DVLA registration records.

Silver 51.2%
2,315
Black 18.6%
840
Blue 16.4%
742
Grey 4%
179
Red 2.8%
125
Purple 2.4%
108
White 2%
91
Green 1.1%
52
Beige 1.1%
49
Gold 0.5%
22

Mileage Distribution

Most 2004 Mercedes Benz C 320 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.

74,295
typical
57,042
low mileage
94,675
high mileage

Half of all 2004 Mercedes Benz C 320 vehicles fall between 57,042 and 94,675 miles.

Is the mileage you're seeing normal?
Under 57,042 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.
57,042–94,675 miles — normal for age. This is where most 2004 Mercedes Benz C 320s sit.
Over 127,811 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2004 Mercedes Benz C 320 — Still on the Road

Numbers are thinning — 30% of 2004 Mercedes Benz C 320s are still active.

Numbers are declining — 72 vehicles still getting MOTs in 2025 (30% of peak).

241 72 2014 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* 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

18.2
Avg MOT tests per vehicle
4.73
Avg failures per vehicle
25
Avg advisories per vehicle
Other model years — Mercedes Benz C 320: All C 320 years → Which year to buy? →
2000 2001 2002 2003 2005 2006 2007 2008 2009

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Compare with another model

See how the 2004 Mercedes Benz C 320 stacks up against a rival.

Watch for defects — worth knowing