2020 Mercedes-Benz GLC63 AMG Key Won't Turn

Fixing 2020 Mercedes-Benz GLC63 AMG Key That Won't Turn

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Reviewed by
Andrew Hajjar
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 2020 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 2020 Mercedes-Benz GLC63 AMG?

When faced with the frustrating issue of a key that won't turn in a 2020 Mercedes-Benz GLC63 AMG, it's essential to adopt a systematic diagnostic approach. Start by examining the key fob itself; replacing the battery can often resolve issues related to key functionality, and checking for any physical damage is crucial. Next, consider the steering wheel lock, as this mechanism can sometimes hinder the key's movement. Gently turning the steering wheel while attempting to turn the key may help release any tension. Additionally, ensure that the vehicle is in the correct gear, typically Park or Neutral, since many vehicles have safety features that prevent the key from turning if the gear shift is not properly positioned. It's also wise to check the battery connection in the car; a weak or dead battery can lead to ignition problems. Lastly, if these steps do not resolve the issue, the ignition cylinder itself may be the culprit, potentially requiring professional inspection and repair. By following this methodical approach, you can effectively diagnose and address the problem with your vehicle's ignition system.

What are the common problems that could cause the key to not turn in the ignition of a 2020 Mercedes-Benz GLC63 AMG?

When facing the frustrating issue of a key not turning in the ignition of a 2020 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 whether the steering wheel lock is engaged; gently turning the steering wheel while attempting to turn the key can often resolve this. Additionally, inspect the key itself for any signs of wear or damage, as a faulty key can hinder ignition. If you have a spare key, testing it can help determine if the original key is the culprit. Another critical factor is the vehicle's battery; a dead or weak battery can prevent the key from turning, so ensure the key fob battery is functioning properly. Furthermore, verify that the vehicle is in the correct gear position, typically Park or Neutral, as an incorrect gear shift can also block the key from turning. Lastly, consider the possibility of a faulty ignition cylinder or ignition switch, which may require professional inspection and repair. By systematically addressing these potential issues, you can effectively troubleshoot the problem and restore functionality to your ignition system.

How urgent is it to address the issue of a key that won't turn in a 2020 Mercedes-Benz GLC63 AMG?

When faced with a key that won't turn in your 2020 Mercedes-Benz GLC63 AMG, it is crucial to act swiftly. The inability to start your vehicle not only disrupts your daily routine but also poses significant safety risks, especially in emergency situations where quick mobility is essential. Moreover, delaying action can lead to more severe problems within the ignition system or key mechanism, potentially resulting in costly repairs that could have been avoided. By addressing the issue promptly, you not only ensure your vehicle's functionality but also safeguard against the inconvenience and hazards associated with a malfunctioning ignition. Seeking assistance from a qualified mechanic or dealership can provide a timely diagnosis and resolution, allowing you to maintain the safety and reliability of your vehicle.

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