It appears there might be a slight misunderstanding regarding the nature of "Macomb Automotive Group" based on the information retrieved. My research indicates that Macomb Automotive Group, located in New Haven, MI, primarily functions as a used car dealership specializing in vehicles, including those with branded titles.

Crucially, multiple sources explicitly state that Macomb Automotive Group does not appear to operate an on-site service center or mechanic department. Their customer reviews and business profiles largely focus on the car buying process, customer service during sales, and the inventory of vehicles for sale.

Therefore, writing an in-depth article titled "Macomb Automotive Group Service Overview" that details their automotive repair and maintenance services would be inaccurate, as they primarily focus on vehicle sales and do not offer these services in-house.

To ensure accuracy and provide valuable content, I propose two alternative approaches for your article:

1. A comprehensive guide to automotive service and repair options in the broader Macomb, MI area. This article could cover the types of services available from various reputable repair shops and dealerships in Macomb (such as Lakeside Auto Care, Elder Hyundai, Serra Cadillac, Matick Toyota, or Doug's Mobile Auto Repair, which do offer services), general maintenance tips for vehicle owners, and how to choose a reliable service provider.
2. An article focusing on the Macomb Automotive Group as a used car dealership, detailing their inventory, the car buying experience, what customers can expect when purchasing a used or branded title vehicle from them, and important considerations for buyers in the used car market.

Please let me know which direction you would prefer, or if you have any further clarification on "Macomb Automotive Group" that might align with the idea of a service overview. I am ready to craft high-value, E-A-T compliant content based on your revised focus.