2013 — 2019
OM 471 - 12.8L Inline-6 (375kW)
Diesel
Monitor the PowerShift 3 automated gearbox under load. It is common to consider that smooth, firm shifts are expected; any erratic hunting for gears might suggest the clutch actuator or a sensor could require calibration.
Listen for any excessive metallic hissing or pressure drops when the vehicle is idling. It is worth checking the integrity of the air suspension and braking system lines, as these can occasionally develop small leaks in heavy-duty service environments.
Engage the auxiliary braking system (engine brake/retarder) on a decline. You should feel a consistent, strong slowing effect; if it feels inconsistent, it might be an opportunity to have the compression brake solenoids inspected.
Inspect the underside for oil dampness around the OM 471 engine casing. It is prudent to look for any signs of seepage around the crankcase breather or valve cover gaskets, which can naturally occur after high-hour operation.
Usually marks the point where the Diesel Particulate Filter (DPF) might require a professional deep clean or regeneration service.
A typical interval where professional workshops recommend a detailed inspection of the turbocharger housing and ancillary drive belts.
Considered a significant milestone where a thorough assessment of the cooling system, including water pump functionality and radiator core health, is highly recommended.
Keep a close eye on the AdBlue quality and tank cleanliness to ensure the SCR system continues to run efficiently.
Regularly drain the air reservoirs to prevent moisture buildup, which is vital for the longevity of your braking components.
Maintain a strict schedule for high-grade engine oil changes to protect the complex OM 471 valvetrain.
Ensure the chassis greasing points are serviced consistently, especially if the vehicle is operating in wet or muddy NZ conditions.
Monitor the engine coolant concentration, as proper protection is essential for keeping the heavy-duty cooling system optimal.
Estimated repair costs if issues arise
Given the nature of automated manual transmissions, the clutch is a wear item. Depending on the vehicle's previous load patterns, you might eventually need to budget for a clutch replacement and actuator calibration.
The OM 471 is a robust engine, but the turbocharger works under significant pressure. If performance begins to taper off over time, you should consider setting aside funds for a professional overhaul or replacement.
Emission systems require periodic maintenance to remain compliant and efficient. If you notice a drop in fuel economy, it may be time to look at professional cleaning or replacement of the filter elements.
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Disclaimer: This report is generated with the assistance of AI analysis based on verified automotive data. While we strive for 100% accuracy, enthusiasts should always conduct physical inspections and consult service records. View Full Disclaimer