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MERCEDES 320 (1993)

Running costs, reliability data, and common problems from 376 real MOT tests.

Annual Cost

£2,757

£230/month

MOT Pass Rate

84%

Good

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

3199cc Petrol

Solid Option

84% pass rate, £2757/year to run. Close to the national average.

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Petrol3199cc33 years old376 tests120k 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

84% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 33 years old, 84% of MERCEDES 320s from 1993 passed their MOT first time in 2026. That's based on 376 tests across the UK. The average mileage at this age is 120,168 miles.

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How Does It Compare?

Rank among 1993 cars49th of 194(top 25%)
Rank among MERCEDES models941th of 1,408(top 67%)
vs national average+2%(82% avg)
vs 1993 cars average+8%(76% avg)
vs MERCEDES average-3%(87% avg)

Mileage Analysis

120,168

Average miles

vs

244,200

Expected for age

The average 1993 MERCEDES 320 has 120,168 miles on the clock, which is significantly below the expected 244,200 miles for a 33-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

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Best Year to Buy?

The most reliable year is the 1994 model with a 91% MOT pass rate, while the 2009 model has the lowest at 71%. The 1993 sits between the two at 84%.

MERCEDES 320 by Year

YearPass RateTestsAvg Mileage
200971%72117,144 mi
200875%115121,055 mi
200784%148128,327 mi
200678%181118,117 mi
200572%58125,364 mi
200478%45113,945 mi
200170%3799,359 mi
200074%3992,550 mi
199987%31120,105 mi
199491%6690,618 mi
199384%376120,168 mi
199288%34138,038 mi

Similar Cars to Consider

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About the 1993 MERCEDES 320

The 1993 MERCEDES 320 is a performance with a 3199cc petrol engine. 376 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. It ranks in the top 25% of all 1993 cars for reliability.

With an average of 120,168 miles at 33 years old, MERCEDES 320 owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

1993 MERCEDES 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 1993 MERCEDES 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 84% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES 320 Reliability Trend

Older MERCEDES 320s tend to have better MOT pass rates than newer ones, with an average decline of 5 percentage points across model years.

Buying a Used 1993 MERCEDES 320

At 33 years old, the MERCEDES 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 1994 model has the highest pass rate at 91%.

Common Issues to Watch For

Based on the 1993 MERCEDES 320's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 33 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 120k 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.

Engine Mounts

Medium risk

Worn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.

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 1993 MERCEDES 320 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
MERCEDES 320(1993)84%£1592£760Grp 35-50£2757
MERCEDES E(1995)79%£1592£250Grp 35-50£2397-£360
BMW 3 SERIES(1995)80%£1592£250Grp 30-42£2247-£510
PORSCHE 911(1995)89%£1592£250Grp 35-50£2247-£510
MERCEDES 300(1992)83%£1592£250Grp 30-42£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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