2023 — 2026
4.0L V8 (M177) - GT 63 4MATIC+
Petrol
Check the transmission responsiveness during low-speed crawling in Comfort mode. | Description: While driving, ensure the MCT 9-speed transmission shifts smoothly without hesitation; in some cases, early software adaptations might need an update to maintain that characteristic AMG crispness.
Listen carefully for any suspension noises over uneven NZ bitumen. | Description: Check this by navigating over a few bumps; given the complexity of the adaptive damping system, ensure there are no metallic clunks which might suggest the active anti-roll components require inspection.
Monitor the infotainment screen for any latency or 'ghost' touches. | Description: Spend a few minutes toggling through the MBUX settings; with such a tech-heavy cockpit, ensure the system is responsive, as occasional firmware updates are sometimes necessary to keep the interface running at peak performance.
Inspect the front splitter and underbody panels for ground contact. | Description: Because of the low-slung nature of the C192, verify that the front aero elements are intact, as repeated driveway scraping can eventually lead to mounting bracket fatigue.
Initial major software update cycle and full driveline fluid inspection.
Spark plug replacement and potential primary cooling system check.
Comprehensive transmission service and inspection of the advanced active suspension linkages.
Regularly monitor engine oil levels, as the M177 biturbo V8 appreciates consistent levels for optimal performance.
Keep the MBUX software updated by visiting your local authorised service centre to ensure all vehicle systems communicate effectively.
Check tyre pressures frequently, as the staggered setup is quite sensitive to minor variations in road holding.
Ensure the cooling system intakes are kept clear of debris to maintain optimal operating temperatures for the twin-turbo setup.
Schedule an annual paint protection inspection to maintain the deep lustre of the AMG-specific finish.
Estimated repair costs if issues arise
If your specific model is equipped with the high-performance ceramic package, it is common to consider that the rotors and pads have a long life, but when they eventually require replacement, it is best to plan ahead for the premium component costs involved.
Depending on the vehicle's history and the types of roads it has frequented, you might eventually need to budget for the maintenance of the adaptive damping actuators to ensure the ride quality remains as sharp as when it left the factory.
Should the car reach higher kilometres, it is wise to set aside funds for a comprehensive driveline service, including differential fluid and precision sensor cleaning, to keep the 4MATIC+ system operating in perfect harmony.
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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