The 10 Worst Services to Get at a Dealership, According to Mechanics

January 21, 2026

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Most drivers assume the dealership is the safest place to service their vehicle. I worked as a mechanic at a dealership for quite some time. However, there are some things I just wouldn’t bring my car to the dealership for. The services can be overpriced, unnecessary, or designed to upsell rather than maintain your vehicle. After all, the dealership relies on service revenue, sometimes even more than car sales themselves. That being said, it’s best to avoid these 10 services at a dealership.

1. The Infamous “Multi-Point Inspection”

Dealerships love offering free multi-point inspections, but mechanics say they’re often used as a sales funnel. These inspections frequently highlight “urgent” issues that aren’t actually urgent, pushing drivers toward expensive repairs. Many items flagged, like cabin filters or wiper blades, are simple DIY fixes. The inspection itself isn’t harmful, but the upsell pressure that follows can be. When in doubt, get a second opinion before agreeing to anything.

2. Transmission Flushes You Don’t Need

Transmission maintenance is important, but dealerships often push full flushes when a simple fluid change would do. Flushes can be harsh on older transmissions, sometimes dislodging debris and causing more harm than good. Mechanics say dealerships recommend them far more often than necessary because they’re high-profit services. Your owner’s manual (not the service advisor) should dictate when transmission service is needed. Stick to manufacturer intervals and avoid unnecessary flushes.

3. Overpriced Cabin and Engine Air Filters

Replacing air filters is one of the easiest car maintenance tasks, yet dealerships charge premium prices for it. Mechanics report that many dealerships recommend filter replacements far earlier than needed. A cabin filter that costs $15 at an auto parts store might run $60–$120 at a dealership. Worse, some dealerships replace filters without asking, then add the charge to your bill. Save money by doing this one yourself or having an independent shop handle it.

4. Fuel System Cleanings That Don’t Do Much

Fuel system cleanings are one of the most commonly upsold services and one of the least necessary. Modern engines and quality gasoline already contain detergents that keep injectors clean. Mechanics say these cleanings rarely improve performance unless the car has a specific, diagnosed issue. Dealerships push them because they’re quick, easy, and highly profitable. Unless you’re experiencing rough idling or poor fuel economy, skip this service.

5. Brake Pad and Rotor Replacements at Premium Prices

Dealership brake jobs are notoriously expensive, often costing double what an independent shop charges. Mechanics say dealerships frequently replace rotors even when resurfacing would be perfectly safe. They also tend to use OEM parts exclusively, which are pricier than high-quality aftermarket options. While brakes are critical, you don’t need to pay dealership prices for reliable work. A trusted local mechanic can handle brake service just as well, if not better.

6. Coolant Flushes Done Too Frequently

Coolant does need to be replaced, but not nearly as often as dealerships claim. Many service advisors push coolant flushes every 30,000 miles, even though modern vehicles often go 100,000 miles before needing one. Mechanics say premature flushes offer little benefit and are mostly profit-driven. Over-servicing doesn’t improve performance; it just drains your wallet. Always check your owner’s manual for the correct interval.

7. Tire Rotations at Dealership Prices

Tire rotations are essential for even wear, but dealerships tend to charge far more than independent shops or tire centers. Many mechanics point out that tire shops often include rotations for free if you purchased tires from them. Dealerships, however, treat rotations as a standalone revenue opportunity. The service itself is simple and doesn’t require specialized dealership equipment. Save money by rotating your tires elsewhere.

8. Battery Replacements With Heavy Markups

Dealerships often charge significantly more for batteries than auto parts stores or independent mechanics. Mechanics say the batteries themselves are usually the same brands sold elsewhere… just marked up. Some dealerships also charge extra for “battery testing” or “installation fees” that should be minimal. A battery swap is one of the easiest repairs on most vehicles. Unless your car requires a specialized battery, skip the dealership for this one.

9. Spark Plug Replacements Done Too Early

Spark plugs do need replacing, but dealerships often recommend the service far earlier than necessary. Modern plugs can last 80,000 to 120,000 miles, yet some service advisors push replacements at 30,000–40,000 miles. Mechanics say premature replacements offer no performance benefit and cost hundreds at dealership rates. Unless you’re experiencing misfires or poor fuel economy, early replacement is unnecessary. Follow your manufacturer’s schedule instead of the dealership’s.

10. “Lifetime” Fluid Packages That Don’t Pay Off

Dealerships love selling lifetime fluid packages that promise long-term savings. But mechanics warn that these packages often include services you’ll never need or won’t need for many years. The upfront cost is high, and the fine print usually limits when and how the services can be used. Many drivers trade in their vehicles long before they get their money’s worth. These packages sound good but rarely deliver real value.

A Smarter Way to Maintain Your Car

Dealerships aren’t always the villains, but they are businesses with sales targets. Understanding the worst dealership services helps you make smarter decisions, avoid unnecessary expenses, and keep your car running smoothly without overspending. Independent mechanics often provide the same services at lower prices and with more transparency. The key is knowing when the dealership is the right choice and when it’s not. Your wallet and your vehicle will thank you for staying informed.

Which dealership service have you been pressured into or avoided altogether? Share your experience in the comments and help other drivers stay informed.