How much does a 2017 MERCEDES UNCLASSIFIED cost to run?

Estimated annual running cost is £1,695 (£141/month), including £1245 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2017 MERCEDES UNCLASSIFIED?

The 2017 MERCEDES UNCLASSIFIED has a 91% MOT pass rate based on 200 tests in 2026. This ranks 190 out of 579 cars from 2017.

Which year MERCEDES UNCLASSIFIED is most reliable?

The 2021 MERCEDES UNCLASSIFIED has the highest MOT pass rate at 96%. The least reliable year is 1997 at 66%.

MERCEDES UNCLASSIFIED (2017)

Q: Is the 2017 MERCEDES UNCLASSIFIED reliable?

Excellent reliability. Very few MOT failures. 91% of MERCEDES UNCLASSIFIEDs from 2017 passed their MOT first time in 2026, based on 200 tests. That's 9 points above the national average of 82%.

Q: What is the average mileage for a 2017 MERCEDES UNCLASSIFIED?

The average mileage for a 2017 MERCEDES UNCLASSIFIED is 39,620 miles, which is below the expected 66,600 miles for a 9-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 200 real MOT tests.

Annual Cost

£1,695

£141/month

MOT Pass Rate

91%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 30-42

2987cc Diesel

Great Choice

91% pass rate, £1695/year to run. 9 points above average.

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Diesel2987cc9 years old200 tests40k miles avg

Annual Running Costs

Fuel (Diesel, 2987cc)

~40 mpg

£1,245

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,695

Per month£141/mo

Per week£33/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 9 years old, 91% of MERCEDES UNCLASSIFIEDs from 2017 passed their MOT first time in 2026. That's based on 200 tests across the UK. The average mileage at this age is 39,620 miles.

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How Does It Compare?

Rank among 2017 cars190th of 579(top 33%)

Rank among MERCEDES models578th of 1,408(top 41%)

vs national average+9%(82% avg)

vs 2017 cars average+4%(87% avg)

vs MERCEDES average+4%(87% avg)

Mileage Analysis

39,620

Average miles

66,600

Expected for age

The average 2017 MERCEDES UNCLASSIFIED has 39,620 miles on the clock, which is below the expected 66,600 miles for a 9-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 2021 model with a 96% MOT pass rate, while the 1997 model has the lowest at 66%. The 2017 sits between the two at 91%.

MERCEDES UNCLASSIFIED by Year

Year	Pass Rate	Tests	Avg Mileage
2021	96%	270	14,108 mi
2020	93%	237	17,059 mi
2019	95%	176	25,080 mi
2018	92%	202	40,291 mi
2017	91%	200	39,620 mi
2016	87%	326	45,907 mi
2015	91%	252	72,531 mi
2014	86%	289	83,046 mi
2013	89%	245	52,132 mi
2012	89%	185	66,863 mi
2011	90%	126	63,066 mi
2010	92%	98	94,655 mi
2009	79%	174	100,957 mi
2008	79%	354	111,482 mi
2007	81%	259	105,351 mi
2006	81%	240	95,112 mi
2005	79%	273	101,492 mi
2004	79%	298	91,119 mi
2003	73%	178	102,840 mi
2002	84%	214	129,941 mi
2001	73%	107	121,123 mi
2000	73%	195	116,472 mi
1999	78%	223	144,511 mi
1998	81%	155	139,571 mi
1997	66%	65	104,116 mi
1996	66%	101	175,170 mi
1995	78%	45	212,804 mi
1994	74%	86	85,110 mi
1993	89%	47	159,142 mi
1992	60%	40	117,020 mi
1991	73%	33	102,932 mi
1990	83%	58	95,507 mi

Similar Cars to Consider

MERCEDES E

2019 · 2925cc Diesel

£1,690/year

90%

-1%

MERCEDES GLC

2018 · 2987cc Diesel

£1,690/year

91%

same

AUDI A5

2017 · 2967cc Diesel

£1,840/year

89%

-2%

FORD RANGER

2019 · 3198cc Diesel

£1,840/year

87%

-4%

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About the 2017 MERCEDES UNCLASSIFIED

The 2017 MERCEDES UNCLASSIFIED is a large car with a 2987cc diesel engine. 200 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2017, the average MOT pass rate is 87%, and this model beats that benchmark.

With an average of 39,620 miles at 9 years old, MERCEDES UNCLASSIFIED owners tend to use this car less than the typical driver.

2017 MERCEDES UNCLASSIFIED Fuel Costs

The 2987cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2017 MERCEDES UNCLASSIFIED?

Total estimated annual running cost is £1,695 (£141/month), broken down as £1245 fuel, £195 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 UNCLASSIFIED Reliability Trend

Newer MERCEDES UNCLASSIFIEDs show better MOT pass rates than older ones, with an average improvement of 13 percentage points.

Buying a Used 2017 MERCEDES UNCLASSIFIED

At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2021 model has the highest pass rate at 96%.

Common Issues to Watch For

Based on the 2017 MERCEDES UNCLASSIFIED's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

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 2017 MERCEDES UNCLASSIFIED stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MERCEDES UNCLASSIFIED(2017)	91%	£1245	£195	Grp 30-42	£1695
MERCEDES E(2019)	90%	£1245	£190	Grp 30-42	£1690-£5
MERCEDES GLC(2018)	91%	£1245	£190	Grp 30-42	£1690-£5
AUDI A5(2017)	89%	£1245	£190	Grp 30-42	£1840+£145
FORD RANGER(2019)	87%	£1245	£190	Grp 35-50	£1840+£145

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.