2013 Mercedes-Benz Viano 3.0L Diesel · RO05 RMS

The most recent MOT, carried out on 25 February 2026, was passed but returned several advisories – rear tyres approaching the legal tread limit, front suspension arm bushes showing wear and the brake pedal exhibiting a smooth surface. Over the preceding five years the vehicle has alternated between passes with similar wear‑related advisories and isolated failures for headlamp aim and a faulty position lamp. The pattern indicates a generally stable maintenance regime; the core safety items continue to pass, yet wear items are recurring and are not being fully resolved between tests. At 162,340 miles the 2013 Mercedes‑Benz Viano averages roughly 12,500 miles per year, well above the typical 8,000‑10,000 mile annual usage for a light commercial vehicle. This level of utilisation suggests that consumables such as tyres, brakes, suspension components and engine oil have been subjected to accelerated wear. There are no obvious mileage gaps that would imply long periods of storage, so the wear observed is likely a direct consequence of continuous, relatively high‑kilometre operation rather than age alone. Prospective buyers should give particular attention to the tyre condition on both axles. The MOT record flags rear tyres close to the legal limit and edge wear, as well as cuts on the near‑side front and off‑side rear tyres that, while not yet reaching the ply, could develop into punctures or sidewall failures under load. Examine the tread depth, look for cracking or dry rot, and feel for any vibration or thudding when cruising at moderate speed, which would indicate uneven wear or a developing separation. The front suspension arm bushes have been noted as worn; check for any clunking or looseness when applying the brakes or navigating bumps, and verify that the steering feels tight with no excessive play. The rear brake discs were recorded as pitted but not seriously weakened; a visual inspection for deep scoring, and a test‑drive brake feel for pulsation or reduced stopping power, will reveal whether disc resurfacing or replacement is imminent. The brake pedal’s smooth surface can be a precursor to reduced pedal feedback; ensure the pedal feels firm and returns promptly after depression. Additional items to verify include the integrity of the exhaust system – a broken bracket and a corroded clamp have been reported – so listen for rattles at idle and check for any exhaust fumes leaking near the cabin. Confirm that both headlamps are correctly aimed and that the off‑side position lamp functions, as these were previously failed items. Given the vehicle’s age, inspect the chassis and wheel arches for rust, especially around the rear wheel wells and under‑body. Test the 12 V battery voltage and load, as high‑kilometre vans often suffer from weakened charging cycles. Finally, request evidence of regular oil, filter and coolant changes, as time‑based fluid degradation can be as detrimental as mileage‑related wear in a vehicle that has been driven heavily for over a decade.