Frequently Asked Questions

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

• Check for obvious issues first: a loose or damaged gas cap can trigger the light and is a simple fix.
• Inspect dashboard messages—multiple alerts or flashing lights change urgency and required response.
• If basic checks don’t resolve it, book diagnostics with our certified technicians at Park Place Motorcars Fort Worth for accurate codes and repair planning: Schedule Service.
• Remember: repairs covered under warranty must be completed at a certified dealership to maintain coverage and long-term savings.

How long does a check engine light service take?

• Simple diagnostics typically take 30–60 minutes; complete diagnostic and inspection appointments usually run 1–2 hours depending on symptoms.
• If parts or deeper testing are needed, we provide transparent time estimates and loaner/ride options so you can stay productive.
• Choosing Park Place often costs less than independent shops due to accurate diagnostics and fewer repeat repairs—this yields immediate and long-term savings.
• To minimize downtime, use our online scheduler and view current offers: Service Specials and Schedule Service.

What does it mean when the check engine light comes on in a 2018 Mercedes-Benz CLS-Class?

• The light indicates your vehicle’s onboard computer detected an emissions, engine, or drivetrain fault; codes identify the subsystem affected.
• Common causes range from minor sensor faults to issues with ignition, fuel delivery, or emissions control—accurate diagnosis is required.
• At Park Place Motorcars Fort Worth, factory-trained technicians use OEM tools to read codes and recommend repairs that preserve warranty coverage and reduce future costs.
• Because repairs covered under warranty must be performed at a certified dealership, servicing with us safeguards long-term value and reliability.

How much does a check engine light diagnostic cost for a 2018 Mercedes-Benz CLS-Class?

• Diagnostic fees vary by complexity; basic scan and report often fall within a competitive, transparent range—ask our service desk for current pricing.
• Park Place frequently costs less than independent shops when you factor accurate diagnosis, OEM parts, and fewer follow-up visits—resulting in immediate and long-term savings.
• If repairs are covered under warranty, they must be completed at a certified dealership to preserve coverage and avoid out-of-pocket expense.
• Check available offers and schedule your appointment online: Service Specials and Schedule Service.

What is the most common reason for check engine light on a 2018 Mercedes-Benz CLS-Class?

• The most frequent triggers are oxygen sensors, catalytic converter efficiency, or engine misfires caused by ignition or fuel system issues.
• Intermittent faults like loose gas caps also appear commonly and are simple to remedy; however persistent faults need professional diagnostics.
• Our factory-trained technicians at Park Place Motorcars Fort Worth identify root causes quickly with OEM scanners, reducing repeat visits and saving you money.
• When warranty coverage applies, repairs must be done at a certified dealership to protect your investment and ensure lasting performance.