2005 — 2009
E350 3.5L V6
Petrol
Start the engine from dead cold and listen closely. | Observation: Be mindful of a faint rattling sound during the first few seconds, as it is common to consider checking the balance shaft gear wear on early M272 engines.
Observe the instrument cluster and interior electronics. | Observation: Check that the navigation and COMAND unit function smoothly, as older infotainment systems of this era can occasionally show signs of age or screen flickering.
Operate the gear selector through all positions. | Observation: Ensure the 7G-Tronic transmission shifts are seamless, as it is helpful to verify the service history for regular transmission fluid changes to maintain shift quality.
Find a flat surface and inspect the wheel arches. | Observation: Look for any signs of uneven tyre wear or air suspension leveling issues, as it is wise to see if the Airmatic system rises and settles at the correct height consistently.
Usually the time to ensure the transmission fluid has been flushed and the spark plugs have been refreshed.
A common point to check the condition of engine mounts and suspension bushings for any degradation due to NZ road conditions.
Consider inspecting the auxiliary belt tensioner and cooling system components to ensure long-term reliability.
Verify a comprehensive service record, ideally showing genuine Mercedes parts used by a specialist.
Check the condition of the panoramic sunroof tracks to ensure they are lubricated and free of debris.
Confirm the auxiliary battery located in the engine bay has been replaced recently, as it supports the SBC braking system.
Inspect the underside for any oil seepage, which can be a normal occurrence for vehicles of this age but worth monitoring.
Ensure all keys are provided and functioning, as replacements can be a specific process.
Estimated repair costs if issues arise
If this component shows premature wear on early production models, it requires a significant engine-out service. Future Budget Planning: It is wise to have a contingency fund for deep mechanical work on the timing assembly.
These air bags can lose their seal over time. Depending on the car's history, you might eventually need to budget for replacing the air struts to maintain that signature smooth ride.
The W211 uses a unique electronic braking system. If the internal counter nears its limit in the future, it is common to consider replacing the unit to ensure optimal braking performance.
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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