2019 Mercedes-Benz GLC63 AMG Key Won't Turn

Troubleshooting Steps to Resolve Ignition Issues with Your 2019 Mercedes-Benz GLC63 AMG Key

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Binding Steering Column/Lock
0%
27% chance it's the
Ignition Switch
0%
20% chance it's the
Ignition Key
0%
18% chance it's
Something else
The most common reasons a 2019 Mercedes-Benz GLC63 AMG key won't turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
  • Binding Steering Column/Lock: A binding steering column or lock can occur due to a worn or damaged steering column assembly or issues with the ignition lock mechanism.
  • Ignition Switch: A faulty ignition switch can prevent the engine from starting or cause intermittent electrical issues, affecting the vehicle's ability to run properly.
  • Ignition Key: A worn or damaged ignition key or ignition cylinder can prevent the key from turning, 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 steps to diagnose why the key won't turn in a 2019 Mercedes-Benz GLC63 AMG?

When faced with the frustrating issue of a key that won't turn in your 2019 Mercedes-Benz GLC63 AMG, it's essential to approach the diagnosis methodically. Start by checking the key fob battery, as a weak or dead battery can hinder communication with the ignition system. Next, ensure that the steering wheel is not locked, as this can also prevent the key from turning. It's crucial to verify that the gear shift is in the correct position, typically Park, as many vehicles require this for the ignition to engage. If you have a spare key, testing it can help determine if the original key is the problem. If these initial checks do not resolve the issue, the ignition switch itself may be at fault, necessitating a professional inspection or replacement. By following these steps, you can effectively narrow down the cause of the ignition problem and take appropriate action.

What are the common problems that could cause the key to not turn in the ignition of a 2019 Mercedes-Benz GLC63 AMG?

When faced with the frustrating situation of a key that won't turn in the ignition of your 2019 Mercedes-Benz GLC63 AMG, it's essential to consider several common problems that could be at play. One of the first things to check is the steering wheel lock mechanism, which may be engaged; gently turning the steering wheel while attempting to turn the key can often resolve this issue. Additionally, inspect the key itself for any signs of wear or damage, as a faulty key can hinder ignition. If the key appears fine, consider the possibility of a dead or weak battery in the key fob, which can prevent the ignition from engaging. Another potential culprit is the ignition cylinder, which may be obstructed by dirt or debris; cleaning or lubricating this component can sometimes restore functionality. Lastly, if these steps do not resolve the issue, a faulty ignition switch may be the cause, necessitating professional diagnosis and repair. By systematically addressing these common problems, you can effectively troubleshoot the ignition issue and get back on the road.

How urgent is it to address the issue of a key not turning in a 2019 Mercedes-Benz GLC63 AMG?

When faced with a key that refuses to turn in your 2019 Mercedes-Benz GLC63 AMG, it is crucial to recognize the urgency of the situation. Ignoring this issue can lead to significant inconveniences, such as being unable to start your vehicle, which disrupts your daily activities and travel plans. Moreover, a malfunctioning key can pose serious safety risks, potentially leaving you stranded in an unsafe environment. The longer you wait to address the problem, the greater the chance of being locked out of your vehicle, especially in emergencies or adverse weather conditions. Additionally, delaying repairs may exacerbate the underlying mechanical issues, leading to more extensive and costly damage to the ignition system or key mechanism. Therefore, it is advisable to take immediate action to resolve the key issue, ensuring your safety and the longevity of your vehicle.

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