How much does a 2010 MERCEDES SLK cost to run?

Estimated annual running cost is £2,427 (£202/month), including £1592 fuel, £430 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2010 MERCEDES SLK?

The 2010 MERCEDES SLK has a 80% MOT pass rate based on 4,472 tests in 2026. This ranks 245 out of 575 cars from 2010.

Which year MERCEDES SLK is most reliable?

The 2016 MERCEDES SLK has the highest MOT pass rate at 89%. The least reliable year is 1996 at 76%.

MERCEDES SLK (2010)

Q: Is the 2010 MERCEDES SLK reliable?

Good reliability. Occasional issues but generally solid. 80% of MERCEDES SLKs from 2010 passed their MOT first time in 2026, based on 4,472 tests. That's 2 points below the national average of 82%.

Q: What is the average mileage for a 2010 MERCEDES SLK?

The average mileage for a 2010 MERCEDES SLK is 66,541 miles, which is below the expected 118,400 miles for a 16-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 4,472 real MOT tests.

Annual Cost

£2,427

£202/month

MOT Pass Rate

80%

Good

Road Tax

£430

Based on CC/year

Insurance

Grp 25-38

2295cc Petrol

Solid Option

80% pass rate, £2427/year to run. Close to the national average.

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Petrol2295cc16 years old4,472 tests67k miles avg

Annual Running Costs

Fuel (Petrol, 2295cc)

~30 mpg

£1,592

Road Tax

Based on 2295cc

£430

MOT Test

£55

Predicted Repairs

£350

Total per year£2,427

Per month£202/mo

Per week£47/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

80% 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%. It falls below the MERCEDES brand average of 87%.

At 16 years old, 80% of MERCEDES SLKs from 2010 passed their MOT first time in 2026. That's based on 4,472 tests across the UK. The average mileage at this age is 66,541 miles.

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How Does It Compare?

Rank among 2010 cars245th of 575(top 43%)

Rank among MERCEDES models1079th of 1,408(top 77%)

vs national average-2%(82% avg)

vs 2010 cars average+5%(75% avg)

vs MERCEDES average-7%(87% avg)

Mileage Analysis

66,541

Average miles

118,400

Expected for age

The average 2010 MERCEDES SLK has 66,541 miles on the clock, which is below the expected 118,400 miles for a 16-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 2016 model with a 89% MOT pass rate, while the 1996 model has the lowest at 76%. The 2010 sits between the two at 80%.

MERCEDES SLK by Year

Year	Pass Rate	Tests	Avg Mileage
2016	89%	2,572	42,977 mi
2015	87%	11,055	48,710 mi
2014	87%	11,284	55,581 mi
2013	85%	11,106	62,322 mi
2012	84%	13,361	64,940 mi
2011	85%	5,660	61,469 mi
2010	80%	4,472	66,541 mi
2009	81%	5,347	71,532 mi
2008	80%	6,876	75,187 mi
2007	79%	7,700	77,695 mi
2006	79%	7,884	80,213 mi
2005	78%	10,305	82,791 mi
2004	78%	6,598	84,132 mi
2003	78%	3,327	85,438 mi
2002	81%	3,692	87,295 mi
2001	82%	4,005	90,848 mi
2000	79%	3,545	90,918 mi
1999	79%	4,295	87,626 mi
1998	79%	3,523	89,671 mi
1997	81%	2,190	90,802 mi
1996	76%	126	98,709 mi

Similar Cars to Consider

NISSAN QASHQAI

2011 · 1997cc Petrol

£2,217/year

69%

-11%

MERCEDES C

2012 · 1796cc Petrol

£2,017/year

79%

-1%

BMW 3 SERIES

2010 · 1796cc Petrol

£1,867/year

80%

same

AUDI A3

2010 · 1984cc Petrol

£2,017/year

77%

-3%

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About the 2010 MERCEDES SLK

The 2010 MERCEDES SLK is a large car with a 2295cc petrol engine. 4,472 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2010, the average MOT pass rate is 75%, and this model beats that benchmark.

With an average of 66,541 miles at 16 years old, MERCEDES SLK owners tend to use this car less than the typical driver.

2010 MERCEDES SLK Fuel Costs

The 2295cc petrol engine offers a reasonable balance between performance and economy. 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 2010 MERCEDES SLK?

Total estimated annual running cost is £2,427 (£202/month), broken down as £1592 fuel, £430 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 80% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES SLK Reliability Trend

Newer MERCEDES SLKs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Buying a Used 2010 MERCEDES SLK

At 16 years old, the MERCEDES SLK 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 2016 model has the highest pass rate at 89%.

Common Issues to Watch For

Based on the 2010 MERCEDES SLK's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 16 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.

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 2010 MERCEDES SLK stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MERCEDES SLK(2010)	80%	£1592	£430	Grp 25-38	£2427
NISSAN QASHQAI(2011)	69%	£1327	£135	Grp 18-32	£2217-£210
MERCEDES C(2012)	79%	£1327	£135	Grp 18-32	£2017-£410
BMW 3 SERIES(2010)	80%	£1327	£135	Grp 18-32	£1867-£560
AUDI A3(2010)	77%	£1327	£135	Grp 18-32	£2017-£410

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.