2013 — 2019
OM 471 - 12.8L Inline-6 (350kW)
Diesel
Monitor the PowerShift 3 automated manual transmission for smoothness. During stop-start traffic, observe if the gear changes feel hesitant or jerky, as clutch wear in these heavy-duty systems can vary significantly based on the previous operator's driving style.
Listen carefully for any abnormal whistling or lack of boost under load when climbing a steep hill. The OM 471 engine’s turbocharger system is robust, but hoses and seals can sometimes develop minor leaks that impact overall fuel efficiency and response.
Observe the air suspension system during operation. Ensure the chassis levels out evenly when loaded, as the electronic leveling valves can occasionally require recalibration or sensor cleaning after long periods of heavy work.
Engage the auxiliary braking system (engine brake/retarder) on a decline. It should provide firm, consistent resistance without erratic noise, helping you gauge the general health of the braking management system.
Usually marks the point where the Diesel Particulate Filter (DPF) may require a professional cleaning or inspection to ensure it remains compliant with emission standards.
A common window where auxiliary components like the alternator, starter motor, and water pump might be assessed for preventative replacement to maintain operational uptime.
Often the time to evaluate the fuel injector condition, as spray patterns can drift over time, affecting engine combustion efficiency.
Keep a close eye on your AdBlue fluid quality and consumption patterns to ensure the SCR system remains in peak health.
Regularly inspect the chassis and cab mountings for any signs of surface corrosion or wear, especially if the vehicle has operated in salty coastal regions.
Ensure the engine oil and filter service intervals are strictly adhered to, as the OM 471 is a sophisticated unit that relies on high-quality lubrication.
Check the air dryer cartridge periodically to ensure the braking system remains free from moisture contamination.
Conduct a routine check of all electrical wiring harnesses around the engine bay for signs of heat-related hardening or fraying.
Estimated repair costs if issues arise
If this component needs attention in the future, the estimated cost in NZ reflects the complexity of the PowerShift transmission removal; it is wise to keep a buffer for this major driveline service.
Depending on the car's history, you might eventually need to budget for a turbocharger overhaul or replacement if power delivery begins to taper off over time.
For long-term peace of mind, it is worth setting aside funds for potential sensor replacements or cleaning of the exhaust aftertreatment modules to avoid downtime.
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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