10/02/2026
🔥 2017 Mercedes C63 S AMG pre purchase inspection at Auto Extreme today. A beautiful low mileage example of one of the most iconic modern AMG sedans, with a specific finding worth sharing with any prospective AMG buyer.
The C63 S AMG occupies a special place in the modern performance sedan market. Hand built AMG twin turbo V8. 503 horsepower. The last generation of C63 to carry a V8 before the switch to the current four cylinder hybrid configuration. For enthusiasts, these are already becoming genuinely collectible.
Mid inspection on this specific vehicle, we identified that the exhaust has been modified. Here is why that matters for any prospective buyer:
🔧 Warranty implications. Modified exhaust on a modern AMG can affect manufacturer warranty coverage on related powertrain components, particularly if the modification removes or alters emissions equipment
🔧 Resale value considerations. The used performance car market has mixed preferences on modifications. Some buyers want stock. Some buyers appreciate specific aftermarket upgrades. Knowing which configuration you are buying affects both future resale and insurance considerations
🔧 Compliance considerations. Depending on the specific modification and jurisdiction, some aftermarket exhaust systems can affect vehicle inspection, registration, or regulatory compliance in Canadian provinces
🔧 Driving character implications. AMG exhaust from factory is already dramatic. Modifications can change the character in ways that may or may not align with buyer expectations
For prospective buyers at this level, identifying modifications during pre purchase inspection is a real protection point. The low mileage and overall condition on this specific car are genuine positives. Full understanding of what has been changed from factory is part of what defines informed buying at the performance vehicle level.
At Car Inspected, modification identification is standard on every performance vehicle inspection we deliver. Over 10,000 inspections since 2009.
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