2020 Mercedes-Benz GLC 300 AMG Line Prem D 4M A 1.9L Diesel · D24 BAM
2020 Mercedes-Benz GLC 300 AMG Line Prem D 4M A (1.9L, diesel). First registered 01 Sept 2020. Recorded mileage 67,790 miles. MOT valid until 16 Jun 2027. Taxed until 01 Aug 2027.
- Make & Model
- MERCEDES-BENZ GLC 300 AMG LINE PREM D 4M A
- Year / Origin
- 2020 · Chester
- Safety Recall
- Unknown
- MOT Status
- Valid until 16 Jun 2027
- Road Tax
- Taxed (01 Aug 2027)
- Recorded Mileage
- 67,790 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6)
- Fuel & Engine
- DIESEL · 1.9L
- Reliability Guide
- Common Faults
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.
D24 BAM Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 26/05/2026
- 67,790 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
- Recurring brakes items (3 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
D24 BAM 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 2020 Mercedes-Benz Glc 300 Amg Line Prem D 4M A (D24 BAM) between October 2023 and May 2026.
The record contains 4 passes and 1 failure.
The most recent test on 26 May 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: Brakes (3 issues), Tyres (2 issues), Exhaust & Emissions (1 issue), Windscreen (1 issue), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 6 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
D24 BAM Mileage History
- 23/10/202354,147 mi
- 03/04/202457,611 mi+3,464 mi
- 18/06/202563,201 mi+5,590 mi
- 26/05/202667,790 mi+4,589 mi
- 26/05/202667,790 mi
Average of roughly 5,267 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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MOT Roadworthiness: Excellent
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.
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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 – the vehicle shows
Ask for a full service history and confirm whether any brake or tyre work has been carried out since the 2025 MOT, which highlighted thin front pads, worn discs and tyre wear close to the legal limit. Verify that the front windscreen washer system has been repaired following the 2026 failure, as a non‑functional washer can affect visibility in wet conditions. Negotiate a price reduction to reflect the above‑average mileage and the potential cost of addressing brake disc and pad wear, as well as tyre replacement.
Be aware that the vehicle's diesel engine may be subject to higher road tax and potential future restrictions in low‑emission zones. Check the vehicle's emissions compliance, especially after the 2025 MOT note about emissions needing cleaning, to ensure it meets current standards and avoids unexpected charges. If possible, arrange a pre‑purchase inspection by a Mercedes‑specialist to assess the condition of the braking system, suspension components, and the headlamp alignment.
The GLC 300 diesel typically achieves around 45 mpg, translating to roughly £700‑£850 per year for fuel assuming 10,000 miles of annual use and current diesel prices. Road tax for a 2020 diesel in band 4 is about £210 per year, and the insurance group sits around 30, leading to an annual premium of £600‑£800 depending on driver profile.
Maintenance on a premium Mercedes can be higher than mainstream models; brake disc and pad replacement, tyre changes, and routine servicing may run £400‑£600 annually. Adding fuel, tax and insurance, a realistic estimate for total running costs sits between £1,200 and £1,500 per year.
Inspect the front headlamp alignment and washer system to confirm the issue flagged in the May 2026 MOT has been rectified; misaligned headlights can cause safety concerns and further MOT failures. Examine the front and rear brake discs and pads for wear, as the 2025 MOT noted thin pads and discs approaching wear limits; replacement may be imminent.
Check all four tyres for tread depth, especially the front tyres which were reported as worn close to the legal limit in 2025, and look for any embedded objects such as the rear nail previously identified. Verify that the tyre condition meets legal requirements and assess whether a set of new tyres will be needed soon.
Review the overall condition of the windscreen washer jets and fluid lines, given that windscreen washer failure was a recorded MOT defect. Ensure the jets are functional and the system delivers adequate spray, as this is a common failure point for the model.
This 2020 black Mercedes‑Benz GLC 300 AMG Line Diesel has logged 67,790 miles, which is higher than the model's average annual mileage of 9,544 miles. It has four MOT records, with one failure in May 2026 for headlamp aim and a non‑functional windscreen washer, and several advisories on brakes and tyre wear. The model enjoys a 90.6% average MOT pass rate, but the vehicle's mileage and recent failures raise moderate concerns. Buyers should weigh the higher mileage against the vehicle's premium positioning and recent MOT pass.
The GLC 300 model enjoys a 90.6% average MOT pass rate across 4,435 vehicles, indicating generally reliable performance.
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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