Mercedes-Benz Clock Spring Removal
In this guide, you will find the steps to replace the clock spring on a Mercedes-Benz vehicle. The video is based on the Mercedes-Benz C-Class W204 chassis, but other models’ clock spring replacement procedures is similar. The challenging part will be releasing the airbag from the steering wheel.
How to Replace Mercedes-Benz Clock Spring
What will you need
- Clockspring Assembly
- Allen Wrench
Procedure
- Disconnect the battery first to prevent the airbag from deploying. Doing so could also trigger the airbag indicator warning light. For tips on disconnecting the battery, see this link: 2009-2013 Mercedes S-Class Main Battery Replacement.
- Remove T25 bolts on both sides of the back of the steering wheel. In other newer models, it doesn’t have holes in the back, but you use a screwdriver to release the airbag from its indents.
- Loosen bolts to remove the airbag. See the tips here at this link to remove the airbag: Mercedes-Benz C-Class W204 Airbag Replacement Procedure.
- Disconnect the airbag connector from the steering wheel by pressing the clips to release it.
- Remove the 10mm Allen hex bolt that holds the steering wheel using the Allen wrench.
- Remove the steering wheel. You may mark it at the center to place it in the same angle position to prevent it from becoming off-center.
- Pull the clockspring. Disconnect the locking tab to release the clockspring assembly.
- Install the new clockspring assembly.
Replacing the clockspring is easy. Ensure you follow the procedures provided in this guide for dismantling the steering wheel to save time and make it operable.
Airbag Light On
If the airbag light is on after replacing the clock spring, you can use the YOUCANIC Full System Scanner to reset the airbag light. This scanner can also read and clear fault codes through every vehicle’s control module.
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Frequently Asked Questions
What are the common signs of a faulty clockspring?
1. The horn malfunctions.
2. The cruise control does not work.
3. The airbag might not deploy.
Do you have to reprogram the vehicle after replacing a new clockspring?
If the vehicle has a steering wheel angle sensor, it must undergo reprogramming. For tips, see this link: How to Properly Set a New Clock Spring.
How much does a Clock Spring replacement cost?
The parts will cost around $100 – $150, and the labor will cost around $100-$200, depending on your vehicle’s model.
