2009 Volkswagen Polo 1.4L Diesel · SL09 WMK

The most recent MOT test on 2026-02-25 resulted in a pass, though it did reveal persistent issues that suggest a pattern of recurring but manageable defects rather than a sudden deterioration. While the vehicle passed this test, the previous failures in 2025 and 2026 indicate that certain components—particularly the front drive shaft CV boots, suspension mounting, and lighting systems—have been subject to repeated advisories and major defects. The 2025 failure highlighted critical failures in the CV boots on both sides, which are known to fail catastrophically if left unaddressed, leading to drivetrain contamination and potential bearing wear. The 2026 failure’s offside bodywork damage and light faults suggest either a previous accident or prolonged neglect, though the current MOT pass implies these issues have been resolved. The overall trend, however, remains concerning, as the vehicle’s history shows a tendency toward preventable failures in high-wear areas like the CV joints and suspension, which could escalate if not serviced promptly. The recorded mileage of 97,828 miles for a 2009 Polo—approximately 17 years old—is notably low by typical standards, averaging just 5,755 miles annually. Such low mileage often reflects either light use, long periods of inactivity, or a vehicle that has been kept in a garage rather than driven regularly. However, low mileage alone does not guarantee mechanical health, as standing vehicles are prone to specific issues such as brake disc corrosion from rust, suspension component deterioration from lack of movement, and fluid degradation due to stagnation. The absence of recent high-mileage accumulation does not negate the need for thorough inspection, as the CV boots and suspension components, which have been flagged in multiple MOTs, are particularly susceptible to wear from both usage and standing. The 2021 oil leak advisory also warrants attention, as prolonged oil exposure can accelerate bearing and seal failure if not addressed. For a prospective buyer, this Polo requires a meticulous inspection focused on the recurring defects and age-related wear. Begin with the CV joints and drive shafts , as the repeated MOT advisories and failures indicate severe deterioration in the constant velocity boot seals. Listen for a distinctive whining or clicking noise from the front wheels during acceleration or cornering, which is a telltale sign of a failing CV boot. Visually inspect the boots for cracks, splits, or oil staining around the joints, and check for excessive play or grinding when the wheel is turned. If the boots are beyond repair, the drive shafts will need replacement, which can be costly but is critical to prevent drivetrain damage. Next, examine the suspension and mounting components , particularly the near-side rear outer suspension mounting, which was flagged in multiple tests. Look for excessive play in the suspension, clunks or rattles when driving over bumps, and signs of corrosion or damage to the mounting points. If the mounting is compromised, it may lead to uneven tyre wear or structural instability. Additionally, address the lighting system , as the offside headlamp levelling and dipped beam failures suggest potential wiring or bulb issues. Test all lights thoroughly, including the brake, indicator, and rear lights, ensuring they function correctly and are at the correct brightness levels. The tyres should be checked for sidewall cracking or perishing, which is common in older vehicles due to exposure to UV light and age-related degradation. Even if the tread depth is above legal limits, the tyres may be unsafe if the sidewalls are compromised. Inspect the brakes for signs of corrosion, binding calipers, or uneven wear, particularly on the near-side front brake discs, which are prone to rusting when the vehicle stands for extended periods. Finally, verify the fluid levels and condition , including the brake fluid, coolant, and engine oil, as stagnation can lead to degradation. Check for leaks under the vehicle, particularly around the oil pan and exhaust system, and consider having the fluids serviced according to the manufacturer’s recommended intervals, even if the vehicle has not been driven extensively. A thorough inspection of the exhaust system for corrosion or leaks is also advisable, as the 2021 oil leak advisory may have implications for long-term engine health.