Frequently Asked Questions

Why is an oil change important for a 2018 Mercedes-Benz SL-Class?

• Maintains engine lubrication and reduces wear on moving parts to preserve performance and prolong engine life.
• Removes contaminants and degraded oil that can increase friction, lower efficiency, and accelerate component wear.
• Ensures optimal thermal control so your twin-turbo V6 runs at correct temperatures for peak power and reliability.
• Protects the resale value of your 2018 Mercedes-Benz SL-Class by demonstrating regular factory-recommended maintenance.
• When performed at our dealership, you receive factory-trained technicians, Mercedes-approved fluids and parts, and documentation that safeguards warranty coverage.

How long does a 2018 Mercedes-Benz SL-Class oil change take?

• Most oil changes at Mercedes-Benz of Sudbury take about 45–60 minutes for a standard synthetic oil and filter change.
• If additional inspections or services are included (multi-point inspection, fluid top-offs, software checks), plan for up to 90 minutes.
• We prioritize appointments and can often accommodate same-day service—schedule online to minimize wait time.
• All warranty-related repairs and service work must be performed at a certified dealership to maintain coverage and are handled efficiently by our factory-trained team.

How much does an oil change cost for a 2018 Mercedes-Benz SL-Class?

• A typical synthetic oil change for a 2018 Mercedes-Benz SL-Class at our dealership generally ranges from approximately $150 to $250, depending on selected oil grade and whether additional services are performed.
• Mercedes-Benz of Sudbury often costs less than independent shops when you factor in genuine parts, manufacturer-grade oil, factory-trained technicians, and documented service history.
• Immediate savings come from efficient service and accurate repairs; long-term savings derive from improved fuel economy, reduced wear, and fewer major repairs over the life of the vehicle.
• Remember: warranty-covered repairs must be completed at a certified dealership to remain valid—this protects you from unexpected future costs.

How often should you get an oil change for a 2018 Mercedes-Benz SL-Class?

• Follow the vehicle’s maintenance schedule—typically up to 10,000 miles or once a year under normal driving conditions for modern Mercedes-Benz engines.
• Under severe or performance driving conditions (frequent short trips, towing, extreme temperatures), consider intervals of 5,000–7,500 miles.
• We recommend checking oil condition during regular service visits; our technicians will advise the optimal interval based on driving habits and inspection results.
• Keeping consistent, documented service at a certified dealership protects warranty coverage and maximizes engine life.

What type of oil does a 2018 Mercedes-Benz SL-Class take?

• Your 2018 Mercedes-Benz SL-Class requires high-quality full synthetic motor oil that meets Mercedes-Benz specifications (examples include MB 229.5 / MB 229.51 compliant oils).
• Common viscosities for this engine are 0W-40 or 5W-40, but your owner’s manual and our technicians will confirm the correct grade for your car and climate.
• We use Mercedes-approved oils and genuine filters to ensure proper protection for the twin-turbo V6 and to preserve performance and emissions systems.
• Warranty-related service must use approved parts and fluids performed at a certified dealership to remain valid—our service team enforces factory standards on every job.

How much oil does a 2018 Mercedes-Benz SL-Class need?

• The 3.0L twin-turbo V6 in the 2018 Mercedes-Benz SL-Class typically requires approximately 8.5 liters (about 9.0 US quarts) when doing a full drain and filter replacement.
• Exact capacity can vary slightly by model year and engine variant; our technicians confirm the precise volume at service and top off to OEM specifications.
• We drain, replace the filter, and refill to the correct level, then perform a post-service check to verify proper oil pressure and system integrity.
• Always rely on certified dealership service for accurate fills and documentation—this protects performance, longevity, and warranty coverage.