2018 Mercedes-Benz Unknown 3.0L Diesel · LX68 AUN
2018 Mercedes-Benz Unknown (3.0L, diesel). First registered 01 Sept 2018. Recorded mileage 142,183 miles. MOT valid until 28 Jul 2027. Taxed until 01 Jul 2027. A manufacturer safety recall is currently outstanding.
- Make & Model
- MERCEDES-BENZ UNKNOWN
- Year / Origin
- 2018 · Sidcup (South East London)
- Safety Recall
- Recall Notice
- MOT Status
- Valid until 28 Jul 2027
- Road Tax
- Taxed (01 Jul 2027)
- Recorded Mileage
- 142,183 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 3.0L
- Reliability Guide
- Common Faults
Outstanding Safety Recall Notice
Action RequiredOfficial DVSA telemetry indicates this vehicle has an unaddressed manufacturer safety recall. Remedial repairs are legally required to be carried out 100% free of charge by an authorised main dealer.
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
LX68 AUN Key Findings
- 5 MOT tests recorded
- Outstanding manufacturer safety recall notice
- Latest MOT passed on 29/07/2026
- 142,183 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
LX68 AUN MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2018 Mercedes-Benz Unknown (LX68 AUN) between August 2023 and July 2026.
The record contains 4 passes and 1 failure.
The most recent test on 29 July 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
LX68 AUN Mileage History
- 04/08/2023101,396 mi
- 30/08/2024117,007 mi+15,611 mi
- 30/08/2024117,007 mi
- 30/07/2025127,695 mi+10,688 mi
- 29/07/2026142,183 mi+14,488 mi
Average of roughly 13,669 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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MOT Roadworthiness: Good
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Digital Service History
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Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
Proceed with caution due to the high mileage for the age. While the recent MOT history is clean, the vehicle's usage pattern suggests a long-distance or commercial life that requires a thorough mechanical check.
When inspecting this vehicle, your priority must be the service history. With over 127,000 miles, you need to verify that major service items, including timing components and gearbox oil, have been addressed according to Mercedes-Benz schedules. Look for signs of oil leaks around the engine block, which are common on the 3.0L diesel engines at this mileage level.
Negotiate based on the high mileage. High-mileage luxury vehicles can face expensive repairs regarding suspension components, bushings, and emissions systems (DPF/AdBlue). Ensure the test drive checks for any vibrations at motorway speeds or hesitation in gear, which could indicate wear on the drivetrain or automatic gearbox.
The large 2987cc diesel engine likely falls into a higher tax band and insurance group compared to smaller petrol variants. You should expect decent fuel economy on motorway journeys, but city-driven fuel consumption will be high due to the engine's displacement.
Annual running costs will be higher than average due to the premium cost of Mercedes-Benz parts and specialist labour. Budget an annual outlay of between £1,800 and £2,500 to cover fuel, high tax, insurance, and routine maintenance.
The MOT history shows a single failure in 2024 for an 'Offside Headlamp aim too high,' which is a minor adjustment issue and not indicative of mechanical neglect. However, the lack of recorded mechanical failures in the MOT may simply mean the car is well-maintained, or that issues haven't triggered an MOT fail yet.
Specifically inspect the undercarriage for corrosion and wear, as high-mileage vehicles often suffer suspension degradation. Check the condition of the tyres for uneven wear, which could suggest alignment issues or worn control arms. Given the mileage, also inspect the AdBlue system for any signs of crystallization or sensor faults.
This 2018 Mercedes-Benz features a large 3.0L diesel engine and has covered 127,695 miles as of its last MOT. While it has passed its last two MOT tests with no major defects, the mileage is significantly above the national average for an eight-year-old vehicle. The yellow paint makes it a standout choice, but the focus should remain on the wear and tear associated with high mileage.
The 3.0L Mercedes diesel engines are generally robust but require strict maintenance to avoid expensive injector or turbo issues at high mileage.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
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