2020 Mercedes-Benz GLC 1.9L Diesel · WF20 KPO
2020 Mercedes-Benz GLC (1.9L, diesel). First registered 01 Apr 2020. Recorded mileage 73,932 miles. MOT valid until 15 May 2027. Taxed until 01 Jun 2027.
- Make & Model
- MERCEDES-BENZ GLC
- Year / Origin
- 2020 · Exeter
- Safety Recall
- Unknown
- MOT Status
- Valid until 15 May 2027
- Road Tax
- Taxed (01 Jun 2027)
- Recorded Mileage
- 73,932 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.
WF20 KPO Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 12/05/2026
- 73,932 miles recorded at latest MOT
- 1 historical MOT failure
- 2 defects noted at the latest MOT
- Recurring brakes items (6 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
WF20 KPO 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 (WF20 KPO) between May 2023 and May 2026.
The record contains 4 passes and 1 failure.
The most recent test on 12 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 (6 issues), Tyres (1 issue), Suspension (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 7 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.
Recorded failure items include: “Nearside Rear Tyre has a bulge, caused by separation or partial failure of its structure 235/55/19 (5.2.3 (d) (ii))”.
WF20 KPO Mileage History
- 17/05/202321,286 mi
- 15/05/202443,673 mi+22,387 mi
- 15/05/202443,691 mi+18 mi
- 07/05/202562,308 mi+18,617 mi
- 12/05/202673,932 mi+11,624 mi
Average of roughly 17,623 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Mercedes-Benz Mercedes-Benz GLC (X253)
Our database tracks 6 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
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.
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
This is a solid option for a diesel SUV, provided the mileage is acceptable for your needs. The recent MOT history shows no defects, making it a relatively stable prospect.
When inspecting this specific black GLC, focus on the service history to ensure the 1.9L diesel engine has received regular oil changes, which is critical for turbocharger longevity. Given the mileage has reached over 60,000 miles, check for any signs of wear in the suspension components and braking system.
Negotiate based on the mileage; at approximately 15,000 miles per year, this vehicle has been driven significantly more than the aggregate average of 8,777 miles per year. Ask for documentation regarding any recent major service intervals or brake replacements that may have occurred around the 40,000-mile mark.
As a 2.0L diesel, this GLC is likely to offer efficient motorway cruising, though running costs will be influenced by its weight and SUV profile. You should check the specific tax band and insurance group, as these vary depending on the exact trim level and engine output.
Maintenance costs for Mercedes-Benz vehicles tend to be higher than for mainstream brands. Expect typical diesel maintenance requirements, such as fuel filter changes and potential AdBlue refills, alongside standard consumables like tyres and brake pads.
Review the MOT history, which notes a failure in May 2024. Although no specific defect was recorded in the summary provided, you should inspect the tyres, headlamps, and coil springs during your physical inspection, as these are the most common failure points for this model type across the wider fleet.
Check the condition of the tyres specifically, looking for uneven wear which could indicate alignment issues. Given the 2024 MOT failure, ensure that whatever issue caused the initial fail was addressed comprehensively and hasn't reappeared as an advisory in subsequent tests.
This 2020 Mercedes-Benz GLC features a 1950cc diesel engine and has covered 62,308 miles as of its last MOT in May 2025. While the mileage is higher than the model average of 8,777 miles per year, the vehicle has maintained a consistent passing record. The MOT history shows one failure in May 2024 at 43,673 miles, which was rectified on the same day.
Aggregate data for this model shows an 89.7% MOT pass rate, with common issues relating to tyres, headlamps, and coil springs.
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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MERCEDES-BENZ GLC Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2020 model year cars.
- AdBlue System / Heater FailureSerious
The AdBlue tank heater or pump frequently fails on diesel models, resulting in an engine management light and a countdown until the engine refuses to start.
- Electric Power Steering Rack Motor FailureSerious
The electric power-assisted steering rack on the X253 GLC integrates the torque sensor, control module, and electric motor directly onto the steering gear. When internal water ingress or electrical motor failure occurs, power steering assistance cuts out abruptly, rendering low-speed steering exceptionally heavy and logging diagnostic fault codes. Mercedes-Benz does not supply individual motors or sensors separately, necessitating a costly replacement of the entire steering rack assembly followed by factory wheel alignment and steering angle sensor calibration.
- Diesel Timing Chain Tensioner Wear and Startup RattleSerious
On 2.1-litre OM651 and 2.0-litre OM654 diesel variants of the GLC, the single-row timing chain and plastic guide rails wear and stretch over time. Because the hydraulic tensioner relies on engine oil pressure, initial oil starvation upon cold start causes the loose chain to slap violently against degraded guides, producing a distinct 2-to-3-second metallic clatter. If ignored, the chain stretches beyond ECU adaptation limits (throwing camshaft position correlation codes) or jumps teeth on the sprockets, causing piston-to-valve contact and complete engine destruction.
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