Frequently Asked Questions

What does it mean when the check engine light comes on in a 2025 Mercedes-Benz Maybach S 680 4MATIC?

• It signals that a vehicle sensor or system has a fault — anything from an emissions sensor, catalytic converter concern, ignition issue, or even a failing battery management module. Diagnostics reveal the exact code and help prioritize repairs.
• At Mercedes-Benz of Chesterfield our certified technicians use OEM-grade diagnostic tools and factory software to identify the fault quickly, often saving you money by fixing the root cause rather than chasing symptoms.
• We frequently cost less than independent shops while delivering factory-level service, clear estimates, and benefits like OEM parts, warranty protection, and service financing to help you get repairs now and pay later.
• Repairs that are covered by warranty must be completed at a certified dealership to maintain coverage and ensure long-term reliability of your 2025 Mercedes-Benz Maybach S 680 4MATIC.

How long does a check engine light service take?

• Simple diagnostics are often completed within an hour; more complex issues may require additional testing or parts and can take a day or more depending on severity.
• Mercedes-Benz of Chesterfield offers streamlined check-in, loaner options, and fast turnaround thanks to certified technicians and direct access to OEM parts, minimizing your time off the road.
• We recommend you schedule service online so we can prioritize your visit and provide an accurate time estimate before you arrive.
• Using our dealership for diagnostics often yields immediate and long-term savings through accurate repairs, extended component life, and fewer repeat visits.

How much does a check engine light diagnostic cost for a 2025 Mercedes-Benz Maybach S 680 4MATIC?

• Diagnostic fees vary, but Mercedes-Benz of Chesterfield provides competitive pricing and transparent estimates. Our pricing often compares favorably to independent shops while delivering factory-trained expertise and OEM parts.
• We highlight the long-term savings of correct diagnosis and repair: fewer repeat visits, better resale value, and warranty-backed workmanship that protects your investment in a luxury vehicle.
• Ask about current service specials and available service financing so you can address needed repairs today and pay over time.

What is the most common reason for check engine light on a 2025 Mercedes-Benz Maybach S 680 4MATIC?

• Common causes include oxygen sensor faults, catalytic converter issues, misfires, or turbocharger-related sensor faults on high-performance engines — these should be diagnosed with dealer-level tools for accurate repair.
• Our technicians at Mercedes-Benz of Chesterfield inspect performance-related systems and electrical components to prevent collateral damage and ensure optimal performance and longevity.
• When it comes to complex systems on high-end vehicles, dealer diagnosis and OEM parts provide the best value over time, protecting both performance and warranty coverage.

What is the first thing to check when the check engine light comes on?

• Start by securing a safe place to stop and turn the engine off if the light is flashing — a flashing check engine light can indicate a serious misfire that could damage the catalytic converter.
• For a steady light, bring your 2025 Mercedes-Benz Maybach S 680 4MATIC to Mercedes-Benz of Chesterfield for prompt diagnostics; our team will scan the codes, assess severity, and provide a clear plan.
• Remember that performing required warranty repairs at a certified dealership preserves your coverage and long-term savings; you can schedule service online now.