Frequently Asked Questions

What does it mean when the check engine light comes on in a 2017 Mercedes-Benz GLS-Class?

• It indicates your vehicle's onboard diagnostics have detected an issue — from a loose gas cap to an emissions or engine performance fault. Our technicians at Park Place Motorcars Dallas diagnose the root cause with factory-grade tools for accurate results.
• We often cost less than independent shops while providing Mercedes-Benz OEM parts, manufacturer-level warranties, and trained technicians, creating immediate and long-term savings through fewer repeat repairs and better resale value.
• If repairs are covered under warranty, they must be completed at a certified dealership to preserve coverage; our team will explain warranty options and next steps clearly.
• To move forward, you can schedule appointment now; ask about our service financing to get repairs done today and pay over time.
• Check our service specials for seasonal offers and savings on diagnostics and repairs.

How long does a check engine light service take?

• Typical diagnostics for a 2017 Mercedes-Benz GLS-Class take 45–90 minutes depending on the complexity of codes and required inspections; repairs vary by issue.
• At Park Place Motorcars Dallas we prioritize fast turnarounds with certified technicians and same-day service where possible, reducing downtime and delivering transparent estimates before work begins.
• Choosing dealership service offers long-term value: OEM parts, documented service history, and warranty protection reduce future costs and protect vehicle integrity.
• You can schedule service online for a convenient arrival time; review current incentives on our service specials.

How much does a check engine light diagnostic cost for a 2017 Mercedes-Benz GLS-Class?

• Diagnostic pricing varies by the issue, but Park Place Motorcars Dallas provides competitive rates and clear estimates—often costing less than independent shops when you factor in OEM parts and technician expertise.
• We emphasize immediate and long-term savings: accurate diagnostics prevent unnecessary repairs and protect engine and emission systems from costly failures.
• Repairs covered by warranty must be performed at a certified dealership to retain coverage; our advisors will verify warranty eligibility before work proceeds.
• Ask about service financing so you can get essential repairs now and pay over time, and check our service specials for discounts.

What is the most common reason for check engine light on a 2017 Mercedes-Benz GLS-Class?

• Common causes include faulty oxygen sensors, loose gas caps, catalytic converter issues, or ignition system faults; ignoring these can lead to higher fuel use and expensive repairs.
• Our certified technicians at Park Place Motorcars Dallas use OEM diagnostic procedures to identify the exact fault quickly, minimizing unnecessary parts replacement.
• Prompt dealership service protects long-term value and efficiency—saving money over time by avoiding cascading failures.
• To address the issue promptly, schedule appointment and review current offers on our service specials.

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

• Start with obvious items: ensure the gas cap is tight and inspect for major leaks or abnormal noises. If the light persists, a full diagnostic scan is the next step.
• Our dealership performs a comprehensive scan and inspection to identify codes and recommend a prioritized repair plan that maximizes value and preserves manufacturer warranties.
• We offer service financing so you can address urgent repairs now and spread payments later, and our advisors will clearly explain immediate fixes versus recommended long-term maintenance.
• Book online to minimize wait time: schedule service and view available discounts on our service specials.