2001 — 2002
5.8L V12 Naturally Aspirated (M137)
Petrol
Test drive task: Perform a cold start and listen for rhythmic ticking or uneven idling. | Description: It is worth noting that the M137 V12 engine relies on a complex ignition system; uneven running could suggest ignition coil pack fatigue, which is common in vehicles of this vintage.
Check this by: Cycling through all suspension height settings via the Airmatic control button. | Description: In cars of this age, the air suspension struts and pump may show signs of wear. Ensure the vehicle rises promptly and does not sag on one corner overnight.
While driving: Gently operate all electronic seat adjustments, including the dynamic bolsters. | Description: The W220 is famous for its intricate electronics. If adjustments feel sluggish or unresponsive, it might indicate that the vacuum-operated comfort systems require some professional attention.
Check this by: Inspecting the transmission tunnel and carpet for any signs of moisture or oily residue. | Description: You might want to verify that the transmission connector plug isn't leaking, as the transmission fluid can sometimes migrate into the wiring harness on these models.
Usually the time to evaluate the health of the engine mounts and transmission service.
Often a period where accessory pulleys and alternator brushes may require proactive inspection.
Consider a comprehensive review of the suspension linkages and bushing integrity.
Check the service history for regular engine oil changes, as this V12 engine appreciates fresh synthetic oil.
Inspect the ignition coil packs, as these are a distinctive feature of the M137 engine setup.
Verify that the cooling system has been serviced, particularly looking for signs of aging coolant hoses.
Ensure the COMAND system and dashboard pixels are functional, as these displays are known to fade with time.
Check the condition of the brake rotors and pads, given the substantial performance capabilities of the S63 AMG.
Estimated repair costs if issues arise
The M137 V12 uses a unique ignition system. If this component needs attention in the future, the estimated cost in NZ reflects the specialized nature of these dual-ignition coil units.
Depending on the car's history, you might eventually need to budget for the replacement of the air struts or the compressor to maintain that classic Mercedes ride quality.
If this component needs attention in the future, a full service including the electrical connector helps ensure smooth gear shifts and protects the transmission computer.
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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