2013 — 2019
OM 470 - 10.7L Inline-6 (240kW)
Diesel
Engage the Powershift 3 automated manual transmission through all gears; observe if gear changes feel hesitant or jerky under load, as clutch wear in these heavy-duty units often presents as premature shuddering.
Listen carefully for air leaks around the chassis when the vehicle is idling at a standstill, as the complex pneumatic systems in the Arocs can develop fatigue in lines or fittings over time.
Monitor the dashboard for any persistent SCR (Selective Catalytic Reduction) or AdBlue system warnings; check that the exhaust gas after-treatment system cycles correctly during operation without triggering limp mode.
Inspect the underside of the OM 470 engine block for signs of oil misting or weeping from the front cover or rocker cover gaskets, which is a common area to monitor as these high-torque engines accumulate hours.
Usually marks the period where the initial clutch pack and throw-out bearing may be reaching the end of their service life depending on the vehicle's duty cycle.
Often the window where DPF (Diesel Particulate Filter) cleaning or service becomes essential to ensure the engine meets emissions standards and maintains optimal backpressure.
A significant point where cooling system components, specifically water pumps and radiator hoses, benefit from a comprehensive inspection to prevent overheating incidents.
Verify the AdBlue dosing unit health during your pre-purchase inspection to ensure the system is not showing signs of crystallization.
Check that the vehicle service history confirms regular oil changes using Mercedes-Benz approved low-ash lubricants to protect the DPF system.
Inspect the condition of the brake discs and pads, as heavy-duty rigid trucks under constant load wear these components significantly faster than light commercial vehicles.
Ensure all chassis lubrication points have been addressed in the maintenance log, particularly those related to the steering and suspension linkages.
Test all cabin electrical functions, including the air conditioning and electronic seat adjustments, as these are often overlooked in fleet-managed vehicle histories.
Estimated repair costs if issues arise
If this component needs attention in the future, the estimated cost in NZ is higher than light vehicles due to the complexity of the automated manual system and the labor involved in pulling the transmission.
Depending on the car's history, you might eventually need to budget for sensors or injector repairs related to the emission after-treatment system, which are sensitive to fuel quality and idle time.
Considering the heavy-duty nature of the OM 470, proactive maintenance on the cooling system is recommended to avoid roadside downtime; replacing these parts now helps with long-term reliability.
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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