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Buying a used car can be a gamble if you don’t know what to look for. Some used cars can have more unseen issues than others, which can offset the money that you might save on the initial buy-in price. If you don’t want to get stuck paying for any major repairs after buying a used car, you may want to stay away from these three.

Parts for the 2008 BMW 335i are expensive

If you peruse your local Craigslist classifieds, you’ll often see a lot of older BMWs for sale. Their low prices make them tempting, but you should avert your eyes as that low cost of entry is there for a reason. As Scotty Kilmer explains in his recent video while using a 2008 BMW 335i as an example, “They are packed full of modern technology, but that’s the reason I tell people not to buy these BMWs. Under the hood, there are layers and layers of technology.”

Those layers of technology can easily turn into a nightmare as time goes on, and BMW parts are not cheap. Using Kilmer’s BMW 335i as an example, it has a twin-turbo, inline-6 engine under the hood that pushes out 300 hp. It’s a fast car, but if any repairs are needed, then things can get pretty pricey. “If they go bad, the turbochargers are over $3,000 apiece with $2,000 in labor,” Kilmer said.

That’s around $8,000 in total, which means that the low price that you originally paid for the car is now no longer a bargain. To add insult to injury, many older BMWs like this specific 335i have plenty of plastic parts under the hood. Over time, those plastic parts get brittle, and replacing them can sometimes cost $300 to $500.

“Age destroys the plastics. The heat from the engine under the hood, this stuff cracks and falls apart,” Kilmer said. “If you buy a beautiful-looking car like this used one, you are playing with dynamite. You never know what’s going to blow and when it’s going to go.”

The 2008 Mercedes-Benz SLK 55 AMG is a gas guzzler

2008 Mercedes-Benz SLK 55 AMG
2008 Mercedes-Benz SLK 55 AMG | Mercedes-Benz

The 2008 Mercedes-Benz SLK 55 AMG is a beautiful two-seat roadster with a 5.5-liter V8 engine. Aside from the wonderful sound that it makes, that V8 is also capable of producing 355 hp and 376 lb-ft of torque. It’s quite the performer. However, it can cause new owners a lot of headaches. In his video, Kilmer was able to pull a multitude of codes from the Mercedes, which he said was not unusual for a 12-year-old car from the German automaker.

Maintaining an SLK can be very expensive, even down to low-profile tires, which carry a high price tag. It’s also not very fuel-efficient. Although the Mercedes SLK is a quick little sports car, it only gets around 13 mpg in the city and 19 mpg on the highway.

The Mercedes-Benz G-Wagon is expensive to repair

2016 Mercedes-Benz G Wagon
2016 Mercedes-Benz G Wagon | Mercedes-Benz
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The Mercedes-Benz G 550 is a perennial favorite among celebrities, rap stars, and athletes. However, for us common folks who don’t have a steady cash flow of millions of dollars, the Mercedes G Wagon isn’t the best choice for a daily driver.

Despite going over how well-built and “solid” the Mercedes G Wagon is, Kilmer added how much it can rust over time and how ridiculously expensive it is to repair. It’s not very fuel-efficient either, as Kilmer mentions that the G 550 most likely gets around 10 mpg on average.

Also, the particular G 550 that he used as an example had over 45 stored error codes when he plugged in his onboard diagnostic reader. And while not all of them were too threatening, you can bet that any of those issues could be expensive to fix.

“So realize, if you’re going to buy a G Wagon, especially a used one, you can’t impress people with how rich you are because you’ll probably be spending a bunch of money fixing it if you keep it for years. These are not cheap to repair or maintain vehicles.”

They are good cars, just potential money pits

While Kilmer might think that the following cars are reserved for “stupid people,” it’s worth it to say that they are good cars underneath it all, provided you have deep pockets. Kilmer also alluded to the fact that it’s mainly doctors and lawyers that buy these cars because they’re the only ones that can afford to keep them running.

“If you’re counting your pennies and you’re thinking about buying one of these things used. My advice is just to keep saying to yourself, ‘endless money pit, endless money pit, endless money pit,” Kilmer adds. “If you really love it and have to have it, lease one, don’t buy it… Yes, they are beautiful cars, but sometimes, beauty can be deceiving.”