Is the 1994 MERCEDES 320 reliable?

Excellent reliability. Very few MOT failures. 91% of MERCEDES 320s from 1994 passed their MOT first time in 2026, based on 66 tests. That's 9 points above the national average of 82%.

How much does a 1994 MERCEDES 320 cost to run?

Estimated annual running cost is £2,607 (£217/month), including £1592 fuel, £760 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 1994 MERCEDES 320?

The 1994 MERCEDES 320 has a 91% MOT pass rate based on 66 tests in 2026. This ranks 14 out of 212 cars from 1994.

Which year MERCEDES 320 is most reliable?

The 1994 MERCEDES 320 has the highest MOT pass rate at 91%. The least reliable year is 2009 at 71%.

MERCEDES 320 (1994)

Q: What is the average mileage for a 1994 MERCEDES 320?

The average mileage for a 1994 MERCEDES 320 is 90,618 miles, which is significantly below the expected 236,800 miles for a 32-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Running costs, reliability data, and common problems from 66 real MOT tests.

Annual Cost

£2,607

£217/month

MOT Pass Rate

91%

Excellent

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

3199cc Petrol

Great Choice

91% pass rate, £2607/year to run. 9 points above average.

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Petrol3199cc32 years old66 tests91k miles avg

Annual Running Costs

Fuel (Petrol, 3199cc)

~30 mpg

£1,592

Road Tax

Based on 3199cc

£760

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,607

Per month£217/mo

Per week£50/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

91% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.

At 32 years old, 91% of MERCEDES 320s from 1994 passed their MOT first time in 2026. That's based on 66 tests across the UK. The average mileage at this age is 90,618 miles.

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How Does It Compare?

Rank among 1994 cars14th of 212(top 7%)

Rank among MERCEDES models598th of 1,408(top 42%)

vs national average+9%(82% avg)

vs 1994 cars average+15%(76% avg)

vs MERCEDES average+4%(87% avg)

Mileage Analysis

90,618

Average miles

236,800

Expected for age

The average 1994 MERCEDES 320 has 90,618 miles on the clock, which is significantly below the expected 236,800 miles for a 32-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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MERCEDES 320 by Year

Year	Pass Rate	Tests	Avg Mileage
2009	71%	72	117,144 mi
2008	75%	115	121,055 mi
2007	84%	148	128,327 mi
2006	78%	181	118,117 mi
2005	72%	58	125,364 mi
2004	78%	45	113,945 mi
2001	70%	37	99,359 mi
2000	74%	39	92,550 mi
1999	87%	31	120,105 mi
1994	91%	66	90,618 mi
1993	84%	376	120,168 mi
1992	88%	34	138,038 mi

Similar Cars to Consider

PORSCHE 911

1996 · 3600cc Petrol

£2,097/year

91%

same

MERCEDES E

1995 · 3606cc Petrol

£2,397/year

79%

-12%

BMW 3 SERIES

1995 · 2793cc Petrol

£2,247/year

80%

-11%

MERCEDES SL

1996 · 2779cc Petrol

£2,247/year

88%

-3%

Check a Specific Mercedes 320

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About the 1994 MERCEDES 320

The 1994 MERCEDES 320 is a performance with a 3199cc petrol engine. 66 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 7% of all 1994 cars for reliability.

With an average of 90,618 miles at 32 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.

1994 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 1994 MERCEDES 320?

Total estimated annual running cost is £2,607 (£217/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

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 1994 MERCEDES 320

At 32 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. Note: with only 66 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 1994 MERCEDES 320's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 32 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

Medium risk

With an average of 91k 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 1994 MERCEDES 320 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MERCEDES 320(1994)	91%	£1592	£760	Grp 35-50	£2607
PORSCHE 911(1996)	91%	£1592	£250	Grp 35-50	£2097-£510
MERCEDES E(1995)	79%	£1592	£250	Grp 35-50	£2397-£210
BMW 3 SERIES(1995)	80%	£1592	£250	Grp 30-42	£2247-£360
MERCEDES SL(1996)	88%	£1592	£250	Grp 30-42	£2247-£360

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.