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What does the 'BO Maintenance' display on the Mercedes dashboard mean?

2 Answers

LaEmmett

07/30/25 2:11am

When the Mercedes dashboard displays 'BO Maintenance', it means that the vehicle's maintenance is overdue and you should visit a 4S store for maintenance service as soon as possible. Here is some relevant information about car maintenance: 1. Introduction: Car maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the car, also known as car servicing. 2. Maintenance scope: Modern car maintenance mainly includes a series of maintenance areas such as the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, etc.

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HannahRose

08/15/25 8:13am

I recently encountered this situation where the Mercedes dashboard displayed 'BO' maintenance, which is a reminder for a B-Service. Mercedes maintenance is divided into two types: A-Service and B-Service, with 'BO' being the abbreviation for B-Service. If you drive frequently, the reminder pops up every 10,000 kilometers; if you drive less, it will still remind you once a year. Last time I went to the dealership for a B-Service, not only did they change the engine oil and oil filter, but they also checked all vehicle fluids, the cabin air filter, and the braking system—much more comprehensive than a regular A-Service. Don’t ignore this reminder, especially for cars over two or three years old, as it’s the perfect time to check for aging chassis bushings. Delaying it could lead to higher repair costs if issues arise. I recommend scheduling an appointment within a week of seeing the reminder. The dealership’s system has a complete maintenance checklist—just follow it, and you’ll be good to go.

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