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Mercedes-Benz GLS Maintenance Schedule

with Mercedes-Benz of Ontario

2021 Mercedes-Maybach GLS

It’s important to follow manufacturer guidelines to keep a well-maintained SUV in San Bernardino County. For the Mercedes-Benz GLS service schedule, Service A and Service B alternate to cover a list of vital service requirements. Before you schedule your next service visit, find out more about your Mercedes-Benz GLS service costs and recommendations with Mercedes-Benz of Ontario.

Mercedes-Benz GLS Maintenance Schedules With A & B

Mercedes-Benz GLS service schedule intervals include switching between Service A and Service B. Service A* starts at 1 year or 10,000 miles, whichever comes first. Meanwhile, Service B* starts at 2 years or 20,000 miles, whichever comes first. Within these important service intervals the following requirements are met:

Mercedes-Benz GLS Service Schedule: Two Intervals

The Mercedes-Benz GLS service schedule begins with Service A*, which takes place at 1 year or 10,000 miles, whichever comes first. The next major service needed will be Mercedes-Benz Service B* at 2 years or 20,000 miles, whichever comes first. These service intervals will then continue to alternate through the life of your vehicle, ensuring your Mercedes-Benz is always up to date. What’s more, you won’t have to worry about tracking when you’re due for service thanks to the ASSYST PLUS system, which will alert you when you’re nearing your next maintenance interval.

GLS Service A GLS Service B
Synthetic Motor Oil Replacement**
Oil Filter Replacement**
All fluid level checks and corrections are dependent on factory-recommended service intervals for your vehicle’s year and model
Tire inflation check and correction
Brake component inspection
Reset maintenance counter
Adhere to all required elements listed by model year and specific model as indicated on the corresponding service sheet for Mercedes-Benz Maintenance Systems in the USA.
Cabin dust/combination filter replacement
Brake fluid exchange

Service Price Match Guarantee

Limited Time Special - Don't Miss Out!

We will accept any valid service offer from Mercedes-Benz dealers within 40 miles.

Present their offer with ours and we will take care of the rest.

Must present both offer and competitor's offer when your service order is written for offer to apply. Valid at Mercedes-Benz of Ontario. Mercedes-Benz vehicles only. This offer applies to service offered by neighboring Mercedes-Benz dealers only. Cannot be combined with any other offer or applied to past services. Does not include applicable taxes, shop supplies, and hazardous waste fees. Other restrictions may apply. Void where prohibited. See Dealer for details.

Expires: 07/31/2026

Mercedes-Benz Brake Pads and Rotors Replacement Special

Save up to $200

Save $50 on a Brake Pads per axle or Save $100 on Brake Pads and Rotors per axle.

Special internet offer must be presented to the Service Advisor at the time of write-up and prior to the service being performed. Valid at Mercedes-Benz of Ontario. Cannot be combined with any other offer or applied to past services. Does not include applicable taxes, shop supplies, and hazardous waste fees. Limit one original offer per person. Other restrictions may apply. Void where prohibited. See Dealer for details. Offer Code: PAD50/ROTOR100

Expires: 07/31/2026

Service B Special

Save $150

Save $150 on your Mercedes-Benz Service-B Maintenance!

  • Recommended after 10,000 miles or 12 months from your Service-A

Please call us for pricing for your specific model.

Special internet offer must be presented to the Service Advisor at the time of write-up and prior to the service being performed. Valid at Mercedes-Benz of Ontario. MY2009 and newer Mercedes-Benz vehicles only. Price advertised for Service B includes all factory-required components. Please refer to your maintenance booklet for the complete list of factory-required services and details on the specific intervals for your vehicle’s year and model. Cannot be combined with any other offer or applied to past services. Does not include applicable taxes, shop supplies, and hazardous waste fees. Excludes Fletcher Care, Prepaid Maintenance, Warranties, and Deductibles. Limit one original offer per person. Other restrictions may apply. Void where prohibited. See Dealer for details. Offer Code: B50

Expires: 07/31/2026

Service A Special

Save $60

Save $60 on your Mercedes-Benz Service-A Maintenance!

  • Recommended after 10,000 miles or 12 months from your purchase, whichever comes first.

Please call us for pricing for your specific model.

Special internet offer must be presented to the Service Advisor at the time of write-up and prior to the service being performed. Valid at Mercedes-Benz of Ontario. 2009 and newer Mercedes-Benz vehicles only. Price advertised for Service A includes all factory-required components. Please refer to your maintenance booklet for the complete list of factory-required services and details on the specific intervals for your vehicle’s year and model. Cannot be combined with any other offer or applied to past services. Does not include applicable taxes, shop supplies, and hazardous waste fees. Excludes Fletcher Care, Prepaid Maintenance, Warranties, and Deductibles. Limit one original offer per person. Other restrictions may apply. Void where prohibited. See Dealer for details. Offer Code: A60

Expires: 07/31/2026

Multi-Point Inspection Special

Complimentary

Our team of Master Certified Technicians will complete a comprehensive multi-point inspection of your vehicle. Following your inspection, you will receive a detailed report of your vehicle’s condition.

Special internet offer must be presented to the Service Advisor at the time of write-up and prior to the service being performed. Valid at Mercedes-Benz of Ontario. Excludes Tires, Fletcher Care, Prepaid Maintenance, Warranties, Deductibles, etc. Cannot be combined with any other offer or applied to past services. Does not include applicable taxes, shop supplies, and hazardous waste fees. Limit one original offer per person. Other restrictions may apply. Void where prohibited. See Dealer for details.

Mercedes-Benz GLS Maintenance Costs in Ontario

For those looking for estimates for their Mercedes-Benz GLS service costs near Upland and Chino Hills, Mercedes-Benz of Ontario can help. Simply reach out to us today for an inspection! Our technicians can examine your vehicle, price out recommended services, and apply any applicable service incentives. We can also discuss options like Mercedes-Benz pre-paid maintenance.

Mercedes-Benz of Ontario’s Service Center is Here to Help

Schedule your appointment with service pick-up and delivery today, or drop by for Express Service while you wait. Have questions about the GLS maintenance schedule and costs? We’re standing by with answers!

Schedule Service

*Services and pricing for Service A/Service B may vary due to your driving habits, mileage, and local environmental conditions. Please refer to your maintenance booklet for additional details and general guidelines for your vehicle’s year and model.

**Oil and filter change is the base advertised service component. Additional services as determined by your vehicle’s ASSYST Plus system, which calculates service needs based on your driving habits, time, mileage and environmental conditions, may increase service cost.

^2009 and newer Mercedes-Benz vehicles only. Price advertised for Service A/Service B includes all factory-required components. Please refer to your maintenance booklet for the complete list of factory-required services and details on the specific intervals for your vehicle’s year and model.

Mercedes-Benz of Ontario 34.0657451, -117.5712687.