Reset brake wear light Mercedes Benz S430

How to reset brake wear light on a Mercedes Benz S430 W220 made in 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005. To turn off this light at first you must find from what cause is on. 

If you have brake pad with wear sensor all you have to do is change them with new ones.

The warning light looks like this:

Reset brake warning light Mercedes Benz S430

Problem: the red brake warning lamp lights up while driving and you hear a warning sound.

Possible cause: you are driving with the parking brake set.

Suggested solution: release the parking brake.

Reset parking brake light Mercedes Benz S430

Second problem: the red brake warning lamp lights up while driving.

Possible cause: there is insufficient brake fluid in the reservoir.

Suggested solution: risk of accident! Carefully stop the vehicle and notify an authorized Mercedes Benz center.  Check the brake system.

Be careful to not add more liquid than needed to overfilling the brake reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire.

If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark or below, have the brake system checked for brake pad thickness and leaks.

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