2005 — 2010
3.0L (CRD) - V6 Turbo Diesel
Diesel
Check for oil leaks near the turbo inlet seal (orange seal).
Listen for swirl motor issues (limp mode or hesitation).
Observe exhaust for excessive smoke under load.
Test the self-levelling rear suspension for sagging (if equipped).
Proactive replacement of turbo inlet seals and swirl motor bypass check.
Deep clean of EGR valve and intake ports for soot removal.
Inspect high-pressure fuel injectors and cooling system hoses.
Use Mercedes-spec low-ash oil to protect engine and DPF.
Replace the fuel filter every 20,000km for common rail protection.
Check transmission electrical connector for oil wicking.
Monitor the radiator for seepage at the end tanks.
Regularly clear AC drains to prevent cabin dampness.
Estimated repair costs if issues arise
Labor-intensive job located in the engine 'V' valley.
Critical for engine response; consider bypass or new unit.
Diesel models are heavier in the front, increasing bushing wear.
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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