The average vehicle on the road today is nearly thirteen years old. For 12-volt installers, that math creates a real business question.
Dealerships Are Already Drawing Lines.
Mercedes Benz dealers generally cannot order parts for vehicles that were not originally imported to the United States, and Mercedes is largely responsible for the so called “twenty five year” rule that restricts classic imports in the first place. BMW dealers face similar limits. Some genuinely cater to classic models through BMW Classic, but many are more aligned toward warranty work on newer cars and will quietly discourage older jobs. Domestic brands are not far behind.
Chevrolet owners have documented dealers flatly declining service on vehicles around ten years old, with GM corporate reportedly unwilling to use its leverage to require dealers to keep supporting older products. Ford dealers have drawn similar lines, with some refusing to even look up a part for anything past ten years or 200,000 miles. Notably, Ford reversed course publicly this year, launching a campaign recommitting to servicing older vehicles through its Motorcraft parts program, aimed squarely at owners who keep a car thirteen to fifteen years. The industry doesn’t agree on this question, which is exactly why 12-volt shops should think it through deliberately rather than end up with a policy by accident.
The Liability Problem, A Real World Example.
Picture a routine job. A customer brings in an older vehicle for a new speaker installation. But the door panel clips, brittle after two or three decades of heat and cold cycling, snap during removal. That is not a workmanship failure. This is normal wear and tear, the vehicle’s own materials are simply getting old and brittle, not something caused by the installation itself. General repair shops have already built a solution for this that 12-volt shops can borrow, a signed work order disclaimer stating the shop assumes no liability for damage to worn or aged components. It puts the risk on the table before the work starts, so the customer shares in that risk instead of the shop absorbing it entirely after the fact.
The Skills Gap Nobody Talks About.
Age is not only a parts and plastic problem. It is also a skills problem. A sixty year old vehicle might still be running a carburetor, and plenty of installers working today have never rebuilt one or even seen one apart. The same applies to older dual shaft and twin shaft mechanical setups that a lot of current technicians have simply never trained on. Before taking on a genuinely vintage job, a shop owner needs to ask a harder question than whether the car is welcome. Does anyone on staff actually know how to do this work?
The Recommendation.
A flat age cutoff protects a shop from disputes and parts headaches, but it also turns away a large and growing pool of older vehicle owners, exactly the customers spending money to keep their cars useful and enjoyable. A tiered approach makes more sense for most 12-volt shops, disclosure and waivers to cover aging trim and parts risk, paired with an honest skills assessment before agreeing to anything. Below in the source section, we linked the Auto Station’s disclaimer for older vehicles, Auto Station is a automotive repair center out of Englewood/Sheridan, CO.
Sources
- Hagerty Media, Should You Take Your Vintage Car to a Dealership for Service.
- Traverse Forum, Chevrolet Declining to Service 10 Year Old Vehicles.
- Bob Is The Oil Guy Forums, Dealership Chain Won’t Do Anything If Over 10yr slash 200k.
- Ford, Your Car Is Probably Older Than You Think, Ford Is Ready For The Long Haul.
- Santa Clarita Auto Sound, 3 Warning Signs of a Bad Car Audio Installation and What To Do About It.
- The Auto Station, RO Disclaimer.
