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MERCEDES C 320 (2000)

Running costs, reliability data, and common problems from 38 real MOT tests.

Annual Cost

£2,757

£230/month

MOT Pass Rate

89%

Good

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

3199cc Petrol

Solid Option

89% pass rate, £2757/year to run. 7 points above average.

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Petrol3199cc26 years old38 tests104k miles avg

Annual Running Costs

Fuel (Petrol, 3199cc)

~30 mpg

£1,592
Road Tax

Based on 3199cc

£760
MOT Test
£55
Predicted Repairs
£350
Total per year£2,757
Per month£230/mo
Per week£53/wk

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

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Reliability Verdict

89% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.

At 26 years old, 89% of MERCEDES C 320s from 2000 passed their MOT first time in 2026. That's based on 38 tests across the UK. The average mileage at this age is 103,507 miles.

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How Does It Compare?

Rank among 2000 cars36th of 338(top 11%)
Rank among MERCEDES models728th of 1,408(top 52%)
vs national average+7%(82% avg)
vs 2000 cars average+16%(73% avg)
vs MERCEDES average+2%(87% avg)

Mileage Analysis

103,507

Average miles

vs

192,400

Expected for age

The average 2000 MERCEDES C 320 has 103,507 miles on the clock, which is below the expected 192,400 miles for a 26-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2007 model with a 82% MOT pass rate, while the 2002 model has the lowest at 72%. The 2000 sits between the two at 89%.

MERCEDES C 320 by Year

YearPass RateTestsAvg Mileage
201080%35137,998 mi
200976%311121,062 mi
200877%699126,482 mi
200782%301116,931 mi
200678%269123,701 mi
200577%175122,264 mi
200472%199104,785 mi
200378%197109,037 mi
200272%178107,506 mi
200179%200104,888 mi
200089%38103,507 mi

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About the 2000 MERCEDES C 320

The 2000 MERCEDES C 320 is a performance with a 3199cc petrol engine. 38 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 11% of all 2000 cars for reliability.

With an average of 103,507 miles at 26 years old, MERCEDES C 320 owners tend to use this car less than the typical driver.

2000 MERCEDES C 320 Fuel Costs

The 3199cc 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 2000 MERCEDES C 320?

Total estimated annual running cost is £2,757 230/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES C 320 Reliability Trend

The MERCEDES C 320 has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.

Buying a Used 2000 MERCEDES C 320

At 26 years old, the MERCEDES C 320 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2007 model has the highest pass rate at 82%. Note: with only 38 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2000 MERCEDES C 320's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 26 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Oil Consumption

Medium risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Watch out

With an average of 104k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2000 MERCEDES C 320 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
MERCEDES C 320(2000)89%£1592£760Grp 35-50£2757
BMW 3 SERIES(2001)77%£1592£250Grp 30-42£2397-£360
BMW Z3(1999)78%£1592£250Grp 35-50£2397-£360
PORSCHE 911(2002)86%£1592£250Grp 35-50£2247-£510
PORSCHE BOXSTER(2002)82%£1592£250Grp 35-50£2247-£510

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.

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Related Guides

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