
2014 — 2018
4.0L V8 (M178) - GT S
Petrol
Check this by inspecting the front subframe and underbody panels during a pre-purchase inspection. | Description: Due to the low-slung nature of the AMG GT, it is common to consider that these vehicles may have encountered speed bumps or steep driveways, potentially causing damage to the front radiator housing or undertray.
While driving, pay close attention to gear changes in low-speed city traffic. | Description: The AMG Speedshift DCT is a performance-focused unit, so in cars of this age, it is worth noting if shifts feel hesitant or clunky, as these units benefit from regular oil and filter services.
Check this by engaging the 'Sport+' mode and listening to the exhaust note during acceleration. | Description: It is worth confirming the functionality of the active exhaust flaps; they can sometimes seize due to carbon buildup or actuator corrosion, which is a common quirk to look out for.
Check this by carefully inspecting the inner edges of the tires and checking for uneven wear. | Description: Aggressive alignment settings mean these cars can be sensitive; if the steering feels vague or the tires show irregular wear, it may suggest the suspension bushings or alignment need a check.
Usually marks the point where the first major inspection of the DCT transmission cooling and fluid health is recommended.
A common window where brake pad and rotor wear, particularly on the optional carbon-ceramic setups, should be monitored closely.
The period where suspension components, specifically front control arm bushings, often require a professional assessment to maintain that sharp AMG handling.
Ensure the engine oil is serviced using the approved AMG-spec lubricant every 12 months, regardless of distance covered.
Keep a close watch on the intercooler coolant levels, as the M178 engine relies heavily on its cooling system for consistent performance.
Check the battery health during every service, as these high-tech systems are sensitive to voltage drops if left standing for long periods.
Ensure the brake fluid has been flushed recently, as moisture buildup can affect the feel of the high-performance calipers.
Check the tire pressure monitoring sensors, as these can occasionally reach the end of their battery life in older examples.
Estimated repair costs if issues arise
If your car is fitted with these, keep in mind they are incredibly durable but costly to replace. Depending on driving style, you might eventually need to budget for a significant investment when the time comes to swap them out.
To keep the gearbox shifting smoothly, it is wise to plan for a specialized transmission fluid and filter service. If this component needs attention in the future, it is a task best left to an experienced AMG technician.
The AMG GT uses dynamic mounts to balance comfort and handling. In cars of this age, it's common to consider that these may eventually show signs of wear, which can be identified by excess vibration at idle.
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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