2017 Mercedes-Benz GLE350 Won't Start

Resolve Starting Issues for Your 2017 Mercedes-Benz GLE350

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2017 Mercedes-Benz GLE350 won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when a 2017 Mercedes-Benz GLE350 won't start?

When your 2017 Mercedes-Benz GLE350 refuses to start, it's essential to adopt a methodical diagnostic approach to identify the root cause. Begin by checking the battery, as a dead or weak battery is a common culprit; using a multimeter can help you assess its voltage. Next, inspect the key fob to ensure its battery is functioning, as a depleted fob battery can hinder the starting process. It's also crucial to verify that the gear shift is in the correct position—either Park or Neutral—since many vehicles are designed to prevent starting in the wrong gear. Pay attention to any warning lights on the dashboard, as these can provide valuable insights into specific issues. Additionally, confirm that there is sufficient fuel in the tank, as low fuel levels can sometimes lead to starting failures. Finally, take a moment to check the vehicle's fuses; a blown fuse could be the reason behind the starting problem. By following these initial diagnostic steps, you can effectively narrow down the potential causes and take the necessary actions to get your GLE350 back on the road.

What are the common problems that could cause a 2017 Mercedes-Benz GLE350 to not start?

When troubleshooting starting issues with a 2017 Mercedes-Benz GLE350, it's essential to consider several common problems that could be at play. A weak or dead battery is often the first suspect, as an aging battery may struggle to hold a charge, preventing the vehicle from starting. If the battery checks out, the next component to examine is the starter motor; a malfunctioning starter can fail to engage the engine, leaving you with a non-responsive vehicle. Additionally, the fuel system plays a critical role in starting; issues such as a clogged fuel filter or a faulty fuel pump can hinder fuel delivery, making it impossible for the engine to ignite. Another potential culprit is the ignition switch, which, if defective, may not send the necessary signal to start the engine. Lastly, don’t overlook the spark plugs; worn or dirty plugs can disrupt the ignition process, leading to starting difficulties. By systematically checking these components, you can effectively diagnose and resolve the starting issues with your GLE350.

How urgent is it to diagnose and repair the starting issue in a 2017 Mercedes-Benz GLE350 that won't start?

When your 2017 Mercedes-Benz GLE350 won't start, the urgency to diagnose and repair the issue cannot be overstated. Ignoring the problem can lead to serious safety risks, especially if the vehicle fails to start in a hazardous location or during critical driving situations. Additionally, a delayed response can exacerbate the issue, potentially causing further damage to essential components like the battery, starter, or ignition system, which could result in more expensive repairs down the line. Moreover, having a reliable vehicle is crucial for daily activities, and resolving the starting problem quickly not only restores convenience but also provides peace of mind. By addressing the starting issue promptly, you can ensure a more accurate diagnosis, allowing for a swift and effective repair process that minimizes downtime and enhances your vehicle's longevity.

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