2005 — 2010
3.0L (CRD) - V6 Turbo Diesel
Diesel
Check the turbo inlet for oil pooling near the orange seal.
Listen for the 'swirl motor' failure (limp mode or dash lights).
Observe glow plug light duration; slow start suggests relay issues.
Inspect the oil cooler in the engine 'V' for leaks.
Proactive replacement of the turbo inlet seal and swirl motor check.
Deep clean of the EGR system and intake manifold.
Inspect the fuel injectors and common rail sensors.
Use high-grade Mercedes-spec diesel oil for this engine.
Replace the fuel filter every 20,000km to avoid pump stress.
Monitor the coolant expansion tank for hairline cracks.
Ensure the transmission fluid is changed every 80,000km.
Keep the intercooler fins free of NZ road debris.
Estimated repair costs if issues arise
A labor-intensive job located deep in the engine valley.
Common Mercedes-sourced engine issue; involves intake service.
Inexpensive part but critical to prevent oil dripping onto electronics.
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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