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Hello everyone! This is Marsmaster Academy. In this video, I will show you how to properly replace the front wheel bearing on a Mercedes S-class, W221 body, with all-wheel drive. We will analyze the process step by step: from removing the wheel and caliper to installing a new bearing and assembly. You will learn important tips on dismantling the axle shaft, using a bearing press, working correctly with retaining rings and how to safely work with the brake system. All the key points and nuances - from preparing tools to final assembly. After these instructions, replacing the bearing will not be a problem for you! Take the test and find out your level of knowledge in auto electrics! ???? https://goo.su/jnjt6y Register for a closed broadcast, which will be attended by the top auto electricians in your region, while it is still free! ???? https://goo.su/4PWqnVO Check out our online course "Diagnostics and repair of electric vehicles and hybrids". ???? https://goo.su/1KNYBes Go and test your knowledge in our mini-trainings on auto electrics. ???? https://goo.su/HU2IXN All the best books on auto electrics are collected here! ???? https://goo.su/llh2