DVLA verified
MOT valid
Tax valid

2004 MERCEDES SLK3.5L PETROL

C2 THN

Vehicle Insight Summary

Considering this 2004 MERCEDES SLK? It's a PETROL with a 3498cc engine showing 70,401 miles. MOT is valid and it's taxed for the road. View the full DVLA history below.

MOT
Valid
Expires 09/09/2026
Tax
Taxed
Expires 01/10/2026
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£8.99
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Fuel
PETROL
Year
2004
Engine
3498cc
Expert AI · Mechanic's Insight
The 2004 Mercedes SLK holds a valid MOT certificate dated 11 September 2025, passing at 70,401 miles. The maintenance trend over the last three years is broadly stable, though the record reveals a pattern of minor recurring oil leaks and suspension wear that has been managed rather than fully resolved. The most recent failure on the same day in September 2025 flagged a fractured offside front coil spring and light oil misting on the nearside front shock absorber, both of which were rectified before the afternoon pass. This suggests the previous owner addressed immediate failures but left low-level oil seepage and worn suspension components to accumulate between tests rather than undertaking preventative renewal. The mileage progression is low for a 22-year-old vehicle, averaging roughly 3,200 miles per year. Between September 2023 and September 2024 the car covered approximately 1,221 miles, and between September 2024 and September 2025 it covered 1,866 miles. The current recorded mileage of 70,401 has not advanced since the September 2025 test, meaning the car has stood idle for nine months as of today's date. Extended periods of inactivity on a vehicle of this age can lead to deteriorated brake calipers, flat-spotted tyres, and moisture ingress in fluid systems, none of which the MOT directly assesses. A buyer should focus the physical inspection on the front suspension and drivetrain sealing. The repeated advisories for a front oil leak across three consecutive years, combined with the 2025 shock absorber misting and the fractured coil spring, point to aging engine or transmission seals and fatigued suspension components. The nearside front lower suspension arm ball joint and bush have been flagged as worn in both 2023 and 2024, so play in that linkage should be checked with a lever, not merely a visual glance. The offside front coil spring that failed in 2025 warrants close examination of its counterpart on the nearside, along with the top and bottom mountings, for early cracking or corrosion. Tyre wear has been a recurring theme, with both nearside rear and offside front tyres worn close to the legal limit or edged in both 2024 and 2023. This hints at possible tracking drift or lazy tyre rotation by the previous owner. A four-wheel alignment check is advisable, along with a close look at inner sidewalls and tread depth across all four corners. The oil seepage, while repeatedly deemed not excessive, should be traced to its source on a cold start to rule out a weeping crankshaft seal or rocker cover gasket that could worsen with heat cycles after the car returns to regular use.

AI insights are experimental and can be incorrect. All claims should be manually verified.

Free vehicle health score

75
/ 100 · Good

Public record health check: Good.

Based on free DVLA & DVSA signals. Premium checks for stolen/finance/write-off history are locked below.

✓ Valid MOT
✓ Taxed
! Average MOT pass rate (60%)
! Older vehicle
A score of 75 doesn't mean it's safe to buy. Private markers don't appear in public data.
Verified Experian Data

Full History Report

Official provenance and safety check for C2THN

Data provided by Experian
Stolen
Locked
Finance
Locked
Write-off
Locked
Salvage
Locked
Imported
Locked
Exported
Locked
Scrapped
Locked
Destruction
Locked
V5C Logbook
Locked
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Full MOT History

Live data last synced with DVSA: 7 Jul 2026, 01:13
Expert AI · Mechanic's Insight
The 2004 Mercedes SLK holds a valid MOT certificate dated 11 September 2025, passing at 70,401 miles. The maintenance trend over the last three years is broadly stable, though the record reveals a pattern of minor recurring oil leaks and suspension wear that has been managed rather than fully resolved. The most recent failure on the same day in September 2025 flagged a fractured offside front coil spring and light oil misting on the nearside front shock absorber, both of which were rectified before the afternoon pass. This suggests the previous owner addressed immediate failures but left low-level oil seepage and worn suspension components to accumulate between tests rather than undertaking preventative renewal. The mileage progression is low for a 22-year-old vehicle, averaging roughly 3,200 miles per year. Between September 2023 and September 2024 the car covered approximately 1,221 miles, and between September 2024 and September 2025 it covered 1,866 miles. The current recorded mileage of 70,401 has not advanced since the September 2025 test, meaning the car has stood idle for nine months as of today's date. Extended periods of inactivity on a vehicle of this age can lead to deteriorated brake calipers, flat-spotted tyres, and moisture ingress in fluid systems, none of which the MOT directly assesses. A buyer should focus the physical inspection on the front suspension and drivetrain sealing. The repeated advisories for a front oil leak across three consecutive years, combined with the 2025 shock absorber misting and the fractured coil spring, point to aging engine or transmission seals and fatigued suspension components. The nearside front lower suspension arm ball joint and bush have been flagged as worn in both 2023 and 2024, so play in that linkage should be checked with a lever, not merely a visual glance. The offside front coil spring that failed in 2025 warrants close examination of its counterpart on the nearside, along with the top and bottom mountings, for early cracking or corrosion. Tyre wear has been a recurring theme, with both nearside rear and offside front tyres worn close to the legal limit or edged in both 2024 and 2023. This hints at possible tracking drift or lazy tyre rotation by the previous owner. A four-wheel alignment check is advisable, along with a close look at inner sidewalls and tread depth across all four corners. The oil seepage, while repeatedly deemed not excessive, should be traced to its source on a cold start to rule out a weeping crankshaft seal or rocker cover gasket that could worsen with heat cycles after the car returns to regular use.

AI insights are experimental and can be incorrect. All claims should be manually verified.

AI Analysis · MOT Narrative

Registered in 2004, this Mercedes Slk with plate C2 THN has undergone 5 MOT inspections since September 2023.

The vehicle has achieved an overall 60% pass rate, with 3 passes and 2 failures recorded. The pass rate is roughly in line with national averages for vehicles of this age.

The most commonly flagged areas across all MOT tests are: Suspension (5 issues), Tyres (5 issues), Brakes (2 issues). These areas are worth paying attention to when inspecting this vehicle.

There are 15 advisory notices in the MOT history. Advisories are not failures but indicate areas that may need attention in the future.

A total of 2 failure items have been recorded across all tests. Recent failure items include: “Offside Front Coil spring fractured or broken (5.3.1 (b) (i))”; “Nearside Front Lower Suspension arm ball joint excessively worn Rear (5.3.4 (a) (i))”.

AI insights are experimental and can be incorrect. All claims should be manually verified.

PASS
FAIL
ADVISORY