Frequently Asked Questions

Why is an oil change important for a 2020 Mercedes-Benz G-Class?

• Preserves engine lubrication for the high-output, twin-turbo 4.0L V8, protecting pistons, bearings and turbochargers from excessive wear.
• Removes contaminants and combustion byproducts that accelerate wear and reduce performance and fuel efficiency.
• Maintains peak horsepower and torque delivery so the vehicle performs as designed across city and highway driving conditions.
• Helps prevent costly repairs long term by maintaining proper oil viscosity and protecting turbochargers and seals.
• Performed at a certified dealership, an oil change supports warranty compliance and preserves factory service records that boost resale value.

How long does an 2020 Mercedes-Benz G-Class oil change take?

• Typical service time is 45–60 minutes for a standard oil and filter change when performed by experienced technicians.
• Full service may take longer if a multi‑point inspection, diagnostics, or software maintenance is required to reset service indicators.
• Dealership service centers use dedicated bays and factory procedures to work efficiently while ensuring every step meets Mercedes‑Benz standards.
• If your vehicle is under warranty, timely service at a certified dealership ensures any covered repairs remain valid and are handled correctly.

How much does an oil change cost for an 2020 Mercedes-Benz G-Class?

• Costs vary with oil type, filter and service level, but expect a range commonly between $200 and $450 for Mercedes‑approved full synthetic oil and OEM filter.
• Our dealership often costs less than independent shops while delivering higher service levels, factory-trained technicians and genuine parts.
• Choosing dealer service delivers immediate savings through current service specials and coupons, and long-term savings by avoiding premature engine wear and expensive repairs.
• Any warranty-covered repairs or maintenance must be performed at a certified dealership to preserve coverage and ensure proper parts and procedures.
• Check current offers at our service specials page for the best pricing: /promotions/service/mercedes-benz.htm

How often should you get an oil change?

• Intervals depend on driving habits and conditions; many Mercedes owners follow manufacturer guidance or the vehicle’s service indicator, typically around every 7,500–10,000 miles or at least once per year.
• Severe driving—frequent short trips, towing, extreme heat or heavy city traffic—can justify more frequent changes to protect the turbocharged V8.
• Regular dealer service ensures the correct oil specification and scheduled inspections are followed, maintaining performance and reliability.
• Keeping service records with a certified dealership supports warranty requirements and helps retain resale value.

What type of oil does an 2020 Mercedes-Benz G-Class take?

• The 4.0L twin‑turbo V8 requires Mercedes‑approved full synthetic motor oil that meets the manufacturer’s specifications for viscosity and performance.
• Specific viscosity recommendations can vary by climate and operating conditions; confirm the exact spec in the owner's manual or let our technicians select the correct Mercedes‑approved oil.
• Our service center uses genuine Mercedes engine oil and OEM filters to preserve engine performance and warranty coverage.

How much oil does an 2020 Mercedes-Benz G-Class need?

• Capacity varies by engine and whether the filter is changed; the twin‑turbo 4.0L V8 typically requires approximately 9–10 liters (about 9–10 L) including filter—confirm exact capacity in the owner’s manual.
• Dealership technicians measure and fill to the precise factory level and reset the service interval indicator to ensure accurate maintenance tracking.
• Correct fill level is critical for turbocharger protection and long‑term engine health; warranty-covered work should be done at a certified dealership to maintain coverage.