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You are watching: Reset brake wear indicator mercedes benz

Once I have my pads, rotors and also brake stay sensors replaced (both front and rear), will certainly the indicator on mine dash walk off instantly or must I have actually it reset?J

How long until the error disappears? I"ve had the occupational performed, brand-new sensors installed and also the undertake indicator still mirrors "brake wear" on mine dash. The sensors space correct and everything to be triple checked.J
I just changed my rears after the undertake sensor warning come on. It went off immediately after installing the new pads and sensors. Quadruple inspect your install!Just a note. Over there is only one next that has actually the undertake sensor. And also not every aftermarket pad sets have actually a new wear sensor. Is there a chance than the mechanic re-installed the old wear sensor? the is really simple, simply 2 copper wires the get cut when they come into contact with the disk. Maybe the old ones where not linked properly or the wire got cut.
I have brand-new wear sensors front and back. The mechanic did no reuse the old ones. Is it possible that the brand-new sensors space the not correct impedance or otherwise not proper for the Benz? My brand-new sensors room aftermarket and also not OEM.J
You have actually a couple of high finish cars in her stable. Ns am sure you are not a newbie in managing your fix shop. I imply you ask your mechanic to problem shoot this at his expense. As I mentioned, the stay sensor is a basic open/short device. Basic trouble shoot by checking them or shorting lock out. If her mechanic can"t number that out perhaps you should readjust mechanic! I contained a photograph of a brand-new sensor I had in my components bin. Sensor is actually shorted as soon as new. I think that lengthy pin gets worn and the conductors inside get reduced thus opened the circuit. I wonder if your mechanic merely forgot to install them or did not connect them properly. Or probably one is defective. It would certainly be straightforward to take a look. But as i said, this have to be his job! This is no rocket science!
Thanks come everyone the responded.The systems turned out to it is in the simplest one: among the brake wear sensors to be defective. It had a rest somewhere in the housing which do the electrical circuit open; simply as if it had actually worn through.So I changed it and also voila, soon the annoying message on my screen disappeared.J
That completely depends on your driving profile and also style, and brake product I simply replace the behind discs and pads on mine R320 2008 after end 160K km. The fronts have actually been good since 70K km and will be good for a couple of more years. I remained with OEM. Yet they come on with around 2 mm of pad left. For this reason no large rush. I examine my pads double a year as soon as I readjust winter-summer tires. Or once you rotate them..
I recognize old thread. I have an X164 (2008 - GL450). The above is likely the trouble with my car; it"s just acquired 15k mile on the pad and also the sensor threw a code. Had actually the mechanic put the auto on the rack and also check all 4 corners; brakes & rotors watch fine. Will certainly grab a couple of these from the local Napa and have him change both; as we couldn"t tell which one can be malfunctioning.
Just to throw my 2 cents in here.The brake wear sensors have actually two wires running to contacts embedded in plastic within them. The sensors room triggered when the pads (and for this reason the plastic the the undertake sensors) wear down to the point where the 2 wires feeding into / the end of them produced a closed circuit (or short) with the brake rotor.When ns did mine front and also rear pads, prior rotors only, task a couple of mainly ago, I supplied one OEM undertake sensor because that the front and also an AutoZone undertake sensor because that the rear. I"m not certain if the fronts and also rears room interchangeable. Ns didn"t bother trying to number it out seeing as they"re only six or 7 bucks each. Girlfriend may likewise find the exact same wear sensors to the right a multitude of different MB models of the exact same era. Ns can"t check out MB developing a brake undertake sensor for each version any more that I deserve to see them developing a new sump plug....On mine 2012 R350 4Matic gasoline model, there is one undertake sensor on the front and one top top the back, both on the best / us passenger / starboard next of the car. They merely clip right into notches in the pads. Copy how they to be fitted top top the old pads and you can"t walk wrong.You need to be careful when installing them no to chafe or bend the wires such that they come into contact with each other or brief circuit. Back the wires space insulated, the insulation is very thin and probably rather easy to damage. If the wires DO quick it has actually the same result as the sensor contact making a circuit v the brake rotor, so you"ll gain a false point out of brake wear. If you snap a cable either you"ll gain a quick (and a false wear warning) or the sensor will never work at all.Given the sensors are just six or 7 bucks each, and also given how they work, ns would change them every time I change the pads. You deserve to imagine, say, how water in between the exposed contact on an old, worn, sensor can create the same circuit together if the contacts to be in call with the rotor.Once the pads and sensors are replaced the brake stay warning should disappear virtually immediately. You could need to rotate the ignition on and off a few times, but that"s it.Oh. 125K mile on what ns think to be the original pads and rotors, although ns can"t be sure because the auto had 85K mile on it as soon as we to buy it. Former rotors were close to worn out, however rears to be perfectly okay to keep on using. I supplied OEM former pads and front rotors native yet el cheapo Bendix pads from AutoZone for the rears. Her fronts execute 75% of the braking, so spend your money there and also economize ~ above the rears if, like me, you have actually to.

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