I have a Mercedes car 240 c. The brake wear warning came up on the instrument cluster. I have got changed the brake pads which were worn out. How can I reset the warning signal still appearing on the display. Do I need to visit the dealership to do that ?

2003 Mercedes-Benz E-Class

Service reset (including brake pads replacement)

If the brake wear light on you can't reset the light without replace brake pads and sensors inside the pads must replace both after replace it will off automatically

Did you change the sensor? if you did, do a battery reset (disconnect for 10 to 20 min.).

Obviously the wear sensor has made contact with the rotor and is already damaged. You're not even suppose to resuse the wear pad sensor if its worn or damaged anyways.The way how the sensor works is that it must make contact to the rotor to complete the wear pad light indicator circuit. There is no mentioning that he replaced the the wear pad sensor with a new one.

But if one did replaced the wear pad sensor and the wear pad indicator is lit up, the way to reset it is to leave the key on in ignition switch #2 or #1 for about 30sec. turn it off and its reset.

Its possible that you forgot to replace the brake light sensors. They are about 15 bucks, and have to be replaced in order for that light to turn off. You can either get them from the dealer where they'll likely charge you 3 times as much, or you can go to http://www.turnermotorsport.com and get them there.

You have to reset the light by leaving the ignition switch on position #2 for about 30 sec. turn off the ignition and start the engine up and see if it goes out. I recommend buying a new wear pad sensor as well because now light will lit up when you're way below spec (less than 3mm)

Also, you could try with this procedure for one E39: Turning off the Check Brake Linings warning on the Instrument Cluster...
- so you've just changed the brake pads on your E39, along with the wear sensors. The old sensor(s) needed replacement cause you waited a bit too long before changing the pads, and wore through the sensor(s), turning on the BRAKE light on the dash. But wait, the light is still on? But there's a new sensor installed... what gives?!
- there is a procedure required in order to turn off the light/warning. With the ignition off, step on and hold the brake pedal. Now, while holding the brake pedal down, turn on the ignition switch to position 2 (just before cranking). Hold the brake pedal until the BRAKE light is off. Tada, the warning is gone and reset.

NOTE: This procedure worked on a 2001 E46 325i. It took about 15-20 seconds, but it cleared out w/o having to unhook the battery.

Other details find in the Owners Manual 2006-BMW-Z4m-Roadster-Owner-Manual

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when replace the brake pads you have to replace the brake wear sensor with brake pads if you not fix the wear sensors it will make fault control unit missing signal from wear sensor it will switch on the message on your instrument display check brake wear sensors are they fixed right way or not,

I can't show you a picture of brake lining wear but I can explain what it is. Brake lining wear is your brake pad wear. If the instrument cluster is showing "brake lining wear' ' visit workshop' it means your brake pads have worn down and are now at the brake pad wear sensor.

It is the same for any mercedes. here is a copy from another source on the internet

Interior
· Function check
· Check warning and indicator lamps, illumination and interior lighting
· Check windshield wiper, windshield washer system, headlamp cleaning system
· Reset maintenance service counter in instrument cluster

Wheels, brakes
· Check front brake pads for lining thickness
· Check tires for damage, condition
· Correct tire inflation pressure

Engine compartment
· Change engine oil and filter
· Fluid level checks of the following:
· Engine cooling system, antifreeze and corrosion protection
· Windshield washer system
· Brake system
· Check and correct battery fluid level
· Check battery condition
· Check catch, safety catch and hinges on engine hood for proper operation

Trunk
· Correct tire inflation pressure in spare tire
· Check battery condition

hi,you have to check your brake pad, brake pad wear indicator lamp is lighting on your cluster, send your car to your dealer for brake check up and ask manual,ty

When you replace the brakes on a Car like this you should also replace the sensor otherwise the Worn Brake warning light is not going to switch off.

Yes the parking brake uses a small set of brake shoes that act on a drum built into the rear rotor. There is no wear sensors on the parking brakes. There are however wear sensors on the front and rear brake pads. If your brake pad warnig light is on I would have the service brake pads inspected.