CarCostCheck

MERCEDES CLK (1998)

Running costs, reliability data, and common problems from 800 real MOT tests.

Annual Cost

£2,907

£242/month

MOT Pass Rate

77%

Average

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

3199cc Petrol

Check Carefully

77% pass rate, £2907/year to run. 5 points below average.

Buying this car? Check for finance, write-offs & theft
£4.99

Check a specific MERCEDES CLK

Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.

GB

Free instant check using official DVSA and DVLA data

Petrol3199cc28 years old800 tests102k miles avg

Annual Running Costs

Fuel (Petrol, 3199cc)

~30 mpg

£1,592
Road Tax

Based on 3199cc

£760
MOT Test
£55
Predicted Repairs
£500
Total per year£2,907
Per month£242/mo
Per week£56/wk

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

🛡️

Get an insurance quote for this MERCEDES CLK

Compare quotes and find the best deal

Reliability Verdict

77% MOT pass rate(Average)
0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.

At 28 years old, 77% of MERCEDES CLKs from 1998 passed their MOT first time in 2026. That's based on 800 tests across the UK. The average mileage at this age is 102,449 miles.

Got a MERCEDES CLK you're looking at?

Enter the reg plate to check its specific MOT history, mileage, and health score.

GB

Free instant check using official DVSA and DVLA data

How Does It Compare?

Rank among 1998 cars132th of 340(top 39%)
Rank among MERCEDES models1201th of 1,408(top 85%)
vs national average-5%(82% avg)
vs 1998 cars average+2%(75% avg)
vs MERCEDES average-10%(87% avg)

Mileage Analysis

102,449

Average miles

vs

207,200

Expected for age

The average 1998 MERCEDES CLK has 102,449 miles on the clock, which is significantly below the expected 207,200 miles for a 28-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Looking at a specific MERCEDES CLK?

Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

Best Year to Buy?

The most reliable year is the 2000 model with a 81% MOT pass rate, while the 1997 model has the lowest at 75%. The 1998 sits between the two at 77%.

MERCEDES CLK by Year

YearPass RateTestsAvg Mileage
201290%3061,131 mi
201175%4064,021 mi
201077%15292,126 mi
200976%6,35397,542 mi
200875%5,758104,878 mi
200776%8,003106,765 mi
200676%7,045106,273 mi
200576%8,463107,835 mi
200476%8,352105,633 mi
200378%6,287105,487 mi
200278%3,392106,379 mi
200179%2,542103,971 mi
200081%2,099102,251 mi
199978%2,485103,421 mi
199877%800102,449 mi
199775%13886,436 mi

Similar Cars to Consider

Check a Specific Mercedes Clk

Enter a reg plate to get the full MOT history, health score, and mileage verification.

Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.

GB

Free instant check using official DVSA and DVLA data

About the 1998 MERCEDES CLK

The 1998 MERCEDES CLK is a performance with a 3199cc petrol engine. 800 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 1998, the average MOT pass rate is 75%, and this model beats that benchmark.

With an average of 102,449 miles at 28 years old, MERCEDES CLK 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.

1998 MERCEDES CLK 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 1998 MERCEDES CLK?

Total estimated annual running cost is £2,907 242/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 77% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES CLK Reliability Trend

The MERCEDES CLK has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Buying a Used 1998 MERCEDES CLK

At 28 years old, the MERCEDES CLK 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 2000 model has the highest pass rate at 81%.

Common Issues to Watch For

Based on the 1998 MERCEDES CLK's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 28 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 102k 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 1998 MERCEDES CLK stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
MERCEDES CLK(1998)77%£1592£760Grp 35-50£2907
BMW Z3(1999)78%£1592£250Grp 35-50£2397-£510
PORSCHE BOXSTER(2000)82%£1592£250Grp 30-42£2247-£660
PORSCHE 911(1999)87%£1592£250Grp 35-50£2247-£660
MERCEDES C(1999)82%£1592£250Grp 30-42£2247-£660

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.

Related Mercedes Models

Explore other Mercedes cars or similar models in the same category.

Related Guides

In-depth articles relevant to the Mercedes Clk.

Check a specific MERCEDES CLK

Enter the reg to see its MOT history, mileage check, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

Premium History Check

Buying a MERCEDES CLK? Our premium check covers:

  • Stolen check (PNC)
  • Outstanding finance
  • Write-off history (Cat A/B/N/S)
  • Previous owners count
Just £4.99 per check

Competitors charge £10-£20 for the same data

Share this page

X
GB