2013 — 2018
2.0L Turbo (M133) - A45 AMG High Performance
Petrol
Check the transmission responsiveness during low-speed crawling. | Advice: The 7-speed DCT can feel a bit jerky in stop-start traffic. While some 'character' is normal, frequent shuddering suggests it might be wise to review the service history for recent gearbox fluid changes.
Monitor the engine temperature under varying loads. | Advice: The M133 is a high-performance engine that runs warm. Ensure the cooling system is performing optimally, as heat management is key to longevity in these units.
Listen for any metallic ticking or rattling during a cold start. | Advice: While some injector noise is expected, consistent rattling might suggest it is worth having a specialist investigate the timing chain tensioner health.
Inspect the brake discs and pads for uneven wear or heavy scoring. | Advice: Given the performance nature of the A45, the brakes are a high-wear item. Ensure they have plenty of meat left, as they are significant components to replace.
Usually involves a major service, including spark plugs and transmission fluid flush.
A common point to review suspension bushings and ensure the intercooler system is free from oil buildup.
Prioritize a full pre-purchase inspection from an independent Mercedes specialist.
Verify that the oil has been changed every 10,000km or annually, given the demands of the turbo.
Check that the panoramic sunroof seals are clean and drains are clear to prevent moisture ingress.
Confirm the infotainment system has been updated to the latest available software version.
Inspect the tyres for uniform wear patterns, as these cars can be sensitive to alignment issues.
Estimated repair costs if issues arise
Because the M133 produces high boost, you might eventually need to budget for auxiliary water pump replacements or turbo coolant line checks as the car ages.
These vehicles use performance-rated hardware. If the discs reach the end of their life, it is common to factor in a premium for high-quality pads and discs.
Regular fluid and filter changes are the lifeblood of this gearbox. If the car hasn't had this documented, it's good practice to set aside funds to get it done promptly.
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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