2013 — 2017
5.5L V8 Bi-Turbo - 4MATIC (M157)
Petrol
Check the air suspension system: Park the car on level ground and measure the arch heights, then check again after an hour. | Observation: Uneven ride height or the car sitting low on a corner can indicate a leak in the air struts, which is common in vehicles of this age.
Monitor the engine temperature and cold start: Ensure the engine is completely cold before starting. | Observation: Listen for any timing chain rattle or 'clatter' on startup; while the M157 is robust, monitoring startup noises helps assess long-term wear.
Test the 7-speed MCT transmission: Perform low-speed stop-start maneuvers in both Comfort and Sport+ modes. | Observation: The multi-clutch transmission can be quite firm; feeling for excessive jerking or hesitation helps gauge the condition of the clutch packs.
Inspect the front end under acceleration: Accelerate moderately from a standstill with the wheel slightly turned. | Observation: This helps identify potential play in the control arm bushings or ball joints, which can eventually show signs of wear given the heavy torque of the V8.
Usually marks the time to consider a major transmission fluid and filter service, plus spark plug replacement.
Often when auxiliary belt tensioners and potential cooling system components are assessed for preventative maintenance.
A common point to check air suspension compressor health and deep-clean the intake system for carbon buildup.
Prioritize oil changes every 10,000km using high-quality MB-approved synthetic oil to protect the twin turbos.
Check the brake rotors and pads regularly, as the high-performance AMG setup is a significant consumable on NZ roads.
Keep the panoramic sunroof tracks clean and lubricated to ensure the seals remain weather-tight.
Ensure the engine air filters are replaced on schedule to maintain the intake flow required by the M157 engine.
Verify that the cooling system header tank is clean and that there are no signs of coolant weeping at hose connections.
Estimated repair costs if issues arise
These components are engineered for comfort but can eventually lose their seal. If you notice a 'sinking' corner, it is wise to budget for a replacement strut to ensure the ride stays plush.
The S63 is a heavy, high-performance vehicle. Depending on your driving style, you might eventually need to budget for premium AMG replacement rotors and pads to maintain safe stopping power.
These rubber-filled mounts dampen the immense torque of the V8. Over time, they can compress, leading to increased cabin vibration; setting aside funds for these will keep the car feeling like new.
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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