Frequently Asked Questions

What does it mean when the check engine light comes on in a 2025 Mercedes-Benz EQS?

• It signals that one or more sensors or systems are outside normal parameters — everything from emissions controls to battery management in your 2025 Mercedes-Benz EQS.
• At Mercedes-Benz of Sudbury, our factory-trained technicians use OEM-grade diagnostics to identify cause and recommend the correct repair quickly and accurately.
• Choosing our dealership often costs less than independent shops when you factor in accurate diagnosis, OEM parts, and long-term reliability — delivering immediate and long-term savings.
• Repairs covered under warranty must be performed at a certified dealership to retain coverage; our team will confirm warranty eligibility and handle authorization when applicable.
• To get prioritized attention, schedule service online and ask about current service specials and financing options.

How long does a check engine light service take?

• Minor diagnostics may be completed in under an hour; more involved repairs can take longer depending on parts and extent of work for the 2025 Mercedes-Benz EQS.
• Mercedes-Benz of Sudbury offers efficient workflows, express lanes for routine checks, and expedited parts delivery to reduce downtime and keep your schedule on track.
• We provide transparent time estimates up front, and our service advisors will explain options, expected duration, and any available discounts or finance plans.
• To get an accurate appointment window, please schedule service and view current service specials that may reduce your overall cost.

How much does a check engine light diagnostic cost for a 2025 Mercedes-Benz EQS?

• Diagnostic fees vary, but Mercedes-Benz of Sudbury offers competitive, transparent pricing and often costs less than independent shops when you consider correct diagnosis and OEM repairs.
• Our dealership emphasizes immediate savings through accurate fixes that prevent repeat visits and long-term savings by maintaining vehicle longevity and warranty protection.
• If the issue is covered by warranty, repairs must be completed at a certified dealership to maintain coverage — we will verify this for you.
• We also offer service financing so you can get necessary repairs now and pay over time; to book, schedule service or review our current service specials.

What is the most common reason for check engine light on a 2025 Mercedes-Benz EQS?

• On electric luxury models like the 2025 Mercedes-Benz EQS the most common triggers include battery management system alerts, sensor faults, or software communication errors.
• Left unattended, some issues can reduce range, affect performance, or cause progressive component wear — addressing problems early saves money and preserves vehicle value.
• Mercedes-Benz of Sudbury uses dealer-level tools and manufacturer software to pinpoint causes and apply OEM fixes, delivering reliability and confidence that aftermarket shops may not match.
• To protect your vehicle and warranty, schedule service with our certified team and check available service specials.

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

• For the 2025 Mercedes-Benz EQS begin with a diagnostic scan to capture fault codes; this avoids guesswork and prevents unnecessary parts replacement.
• Our technicians perform a prioritized inspection — software checks, sensor verification, and battery health — then outline recommended repairs and costs.
• We emphasize transparent estimates, OEM parts, and warranty compliance; any warranty-covered repair must be done at a certified dealership to maintain coverage.
• To receive fast, reliable care and explore financing, please schedule service at Mercedes-Benz of Sudbury and review our service specials.