Mercury Mountaineer Heater Only Works While Driving: 5 Common Causes

If your Mercury Mountaineer’s heat only works when driving, there are five leading causes you should check.  They are low coolant, air pockets, a bad heater core, an airlocked cooling system, and a malfunctioning thermostat. We’ll start with the easy-to-check common problems and work our way to the harder-to-deal-with rarer issues that could be affecting … Read more

Mercury Mountaineer Soft Brake Pedal Causes

If your Mercury Mountaineer has a soft brake pedal, it is a sign of a serious brake system issue. It’s usually caused by air entering the system in some way through a leak.  This article covers the six most common causes of a soft brake pedal as well as a solid diagnostic order if you … Read more

Mercury Mountaineer Bad Fuel Mileage: Causes

If you’re filling your vehicle up regularly and still getting crummy mileage, there are a few things that could be to blame. In this post, we’ll explore some of the most common reasons your Mercury Mountaineer is getting bad gas mileage. Before diving in, it’s important to note whether or not your Mountaineer’s check engine … Read more

Mercury Mountaineer Metal Shavings in Oil: Causes

If your Mercury Mountaineer has metal shavings in the oil, it almost always indicates engine damage, but it’s not always easy to tell what is causing the issue. This article will help you figure out what’s going on with your vehicle. Metal shavings accompanied by a knocking sound typically indicate your Mountaineer has spun a … Read more