CarCostCheck

MERCEDES SLK (2002)

Running costs, common problems, and reliability data based on 3,692 real MOT tests in 2024.

MOT Pass Rate

81%

Total Tests (2024)

3,692

Avg Mileage

87,295 mi

Est. Annual Cost

£2,247

Is the 2002 MERCEDES SLK reliable?

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 22 years old, 81% of MERCEDES SLKs from 2002 passed their MOT first time in 2024. That's based on 3,692 tests across the UK. The average mileage at this age is 87,295 miles.

How does the 2002 MERCEDES SLK compare?

Rank among all 2002 cars85th out of 403(top 21%)
Rank among all MERCEDES models1037th out of 1,408(top 74%)
vs national average-1% (82% avg)
vs 2002 cars average+8% (73% avg)
vs MERCEDES average-6% (87% avg)

Mileage Analysis

The average 2002 MERCEDES SLK has 87,295 miles on the clock, which is below the expected 162,800 miles for a 22-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Best year to buy a MERCEDES SLK?

The most reliable year is the 2016 model with a 89% MOT pass rate, while the 1996 model has the lowest at 76%. The 2002 sits between the two at 81%.

How much does a 2002 MERCEDES SLK cost to run?

Fuel (Petrol, 2295cc)
£1,592
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£2,247
Per month£187/mo

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

MERCEDES SLK by Year

YearPass RateTestsAvg Mileage
201689%2,57242,977 mi
201587%11,05548,710 mi
201487%11,28455,581 mi
201385%11,10662,322 mi
201284%13,36164,940 mi
201185%5,66061,469 mi
201080%4,47266,541 mi
200981%5,34771,532 mi
200880%6,87675,187 mi
200779%7,70077,695 mi
200679%7,88480,213 mi
200578%10,30582,791 mi
200478%6,59884,132 mi
200378%3,32785,438 mi
200281%3,69287,295 mi
200182%4,00590,848 mi
200079%3,54590,918 mi
199979%4,29587,626 mi
199879%3,52389,671 mi
199781%2,19090,802 mi
199676%12698,709 mi

Checking a specific MERCEDES SLK?

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About the 2002 MERCEDES SLK

The 2002 MERCEDES SLK is a large car with a 2295cc petrol engine. 3,692 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 21% of all 2002 cars for reliability.

With an average of 87,295 miles at 22 years old, MERCEDES SLK owners tend to use this car less than the typical driver.

2002 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 2002 MERCEDES SLK?

Total estimated annual running cost is £2,247 187/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% 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 2002 MERCEDES SLK

At 22 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%.

Alternatives to the 2002 MERCEDES SLK

The MERCEDES SLK is actually the most reliable option among similar petrol large cars from this era. Here are comparable petrol cars with similar engines: