2018 — 2026
4.0L V8 Bi-Turbo (M177) - G63 AMG
Petrol
Listen for any light tapping or 'ticking' sounds from the engine bay at idle; while this can be a characteristic of high-pressure fuel injectors, it is worth confirming the engine has not been pushed hard when cold.
Cycle through every drive mode including the locking differentials; if the system shows an error or feels sluggish to engage, it is common to investigate the software or vacuum actuators on these units.
Check the infotainment and digital dash by toggling all menu options; software gremlins can occasionally present in these sophisticated systems, so ensure the screen is responsive without flickering.
Observe the transmission shifting pattern during light acceleration; if shifts feel hesitant or clunky, it may be a sign that the transmission learning logic or fluid health requires a specialist scan.
Usually marks the point where brake pads and rotors may show signs of wear, particularly if the vehicle has been used for city driving.
A common window to perform a comprehensive service on the differential and transmission fluids to maintain performance longevity.
Often the time to inspect auxiliary belts and cooling system components for any signs of aging or degradation.
Keep a close watch on the engine oil level between services, as these V8s can occasionally be fond of a little top-up.
Ensure the panoramic sunroof tracks are cleaned and lubricated regularly to prevent binding.
Stick strictly to the manufacturer-specified MB-approved oil to protect the complex valvetrain and turbochargers.
Check the tyre pressures regularly, as the heavy weight of the G-Class can cause uneven wear if they are not maintained at the factory recommended levels.
Schedule a professional detail for the leather upholstery to keep it supple and free from cracking over the New Zealand summer.
Estimated repair costs if issues arise
Given the performance nature of the G63, the braking system is quite substantial. Future Budget Planning suggests setting aside funds for these as they are high-performance consumables that wear based on driving style.
The air suspension provides an incredible ride, but as the car reaches higher mileage, you might eventually need to budget for the maintenance of the air struts or compressor seals.
To keep the drivetrain as smooth as the day it left the factory, consider this part of your routine ownership costs every few years to ensure longevity of the complex 4MATIC system.
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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