Brake Wear Fault Message
Thread Starter
Newbie
Joined: Jan 2015
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2004 MB CLK320
Brake Wear Fault Message
Our car is a 2004 CLK320 Coupe with 99590 miles. The "Brake Wear" message appeared very recently so I ordered new MB parts and replaced the front rotors and front wheel brake pads. I followed the instructions provided in the MB STAR Service Manual disc. I did not replace the pad wear sensor in the right wheel brake pad with a new sensor since it is not required in the service manual.
The job went easily and after completion I tested the car and the braking system is perfect. However, I still get the message "Brake Wear - Visit Workshop". What should I do to eliminate this message since the front brake pad and rotors are now good for another decade of driving? Is the brake pad wear sensor at fault?
I'd appreciate any advice how to resolve this problem. Thank you much.
Georges Hebrant
The job went easily and after completion I tested the car and the braking system is perfect. However, I still get the message "Brake Wear - Visit Workshop". What should I do to eliminate this message since the front brake pad and rotors are now good for another decade of driving? Is the brake pad wear sensor at fault?
I'd appreciate any advice how to resolve this problem. Thank you much.
Georges Hebrant
MBWorld Fanatic!
Joined: Aug 2013
Posts: 1,364
Likes: 149
2012 C300 4MATIC Sport
Our car is a 2004 CLK320 Coupe with 99590 miles. The "Brake Wear" message appeared very recently so I ordered new MB parts and replaced the front rotors and front wheel brake pads. I followed the instructions provided in the MB STAR Service Manual disc. I did not replace the pad wear sensor in the right wheel brake pad with a new sensor since it is not required in the service manual.
The job went easily and after completion I tested the car and the braking system is perfect. However, I still get the message "Brake Wear - Visit Workshop". What should I do to eliminate this message since the front brake pad and rotors are now good for another decade of driving? Is the brake pad wear sensor at fault?
I'd appreciate any advice how to resolve this problem. Thank you much.
Georges Hebrant
The job went easily and after completion I tested the car and the braking system is perfect. However, I still get the message "Brake Wear - Visit Workshop". What should I do to eliminate this message since the front brake pad and rotors are now good for another decade of driving? Is the brake pad wear sensor at fault?
I'd appreciate any advice how to resolve this problem. Thank you much.
Georges Hebrant
So yes, the sensor always needs to be replaced after it has triggered a message.
Thread Starter
Newbie
Joined: Jan 2015
Posts: 9
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2004 MB CLK320
Thank you very much for your responses and recommendations. I bought a brake wear sensor yesterday and installed it this morning on the right front brake pad. After starting the engine, the message "Brake Wear - Visit Workshop" still shows on the panel.
Because my experience during the last 50 years with other cars taught me that rear brakes do wear at half the rate of front brakes, I did not check the rear brakes. Would it be possible that the rear brake pads are also worn out? I would find this strange!!
I'll appreciate your opinion and will check the rear brake. Again, thank you for your help.
Georges Hebrant
Because my experience during the last 50 years with other cars taught me that rear brakes do wear at half the rate of front brakes, I did not check the rear brakes. Would it be possible that the rear brake pads are also worn out? I would find this strange!!
I'll appreciate your opinion and will check the rear brake. Again, thank you for your help.
Georges Hebrant
MBWorld Fanatic!
Joined: Jul 2013
Posts: 3,133
Likes: 134
From: Down Unda
W204 C63 AMG, W212 E250 CGI, C207 E250 CGI
Thank you very much for your responses and recommendations. I bought a brake wear sensor yesterday and installed it this morning on the right front brake pad. After starting the engine, the message "Brake Wear - Visit Workshop" still shows on the panel.
Because my experience during the last 50 years with other cars taught me that rear brakes do wear at half the rate of front brakes, I did not check the rear brakes. Would it be possible that the rear brake pads are also worn out? I would find this strange!!
I'll appreciate your opinion and will check the rear brake. Again, thank you for your help.
Georges Hebrant
Because my experience during the last 50 years with other cars taught me that rear brakes do wear at half the rate of front brakes, I did not check the rear brakes. Would it be possible that the rear brake pads are also worn out? I would find this strange!!
I'll appreciate your opinion and will check the rear brake. Again, thank you for your help.
Georges Hebrant
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Thread Starter
Newbie
Joined: Jan 2015
Posts: 9
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2004 MB CLK320
Thank you for all your responses and advices.
Based on what I read here, I checked the rear brake pad thickness and sure enough they are worn out. So I ordered the pads for the rear brakes as well as the rear right wear sensor, and will replace them when they arrive. The discs look very good to me.
Another note: this is the first car I own that has much smaller size brake pads on the rear than the front. This is obviously clever but more expensive!!
Georges Hebrant
Based on what I read here, I checked the rear brake pad thickness and sure enough they are worn out. So I ordered the pads for the rear brakes as well as the rear right wear sensor, and will replace them when they arrive. The discs look very good to me.
Another note: this is the first car I own that has much smaller size brake pads on the rear than the front. This is obviously clever but more expensive!!
Georges Hebrant
MBworld Guru
Joined: Dec 2009
Posts: 10,782
Likes: 1,011
NO LONGER ACTIVE
Every car I've owned with disc brakes has used larger front pads. Most cars have more weight over the front axle, and the momentum will push the car forward causing it to dive, so your best brakes need to be on the front.
Junior Member
Joined: Sep 2016
Posts: 65
Likes: 2
From: Portugal
CLS 320 CDI W219
Just for you to know the prices of the pads are not that much i bought both kits ATE brand last month on a Spanish website and the prices were:
Juego de 4 pastillas de freno ATE 13.04602727.2 27,17 € Front
Contacto de aviso, desgaste de los frenos ATE 24.81900410.2 6,06 € Sensors 2 units
Juego de 4 pastillas de freno ATE 13.04604065.2 19,79 € Rear
i paid 5.60€ for transport to Portugal
Juego de 4 pastillas de freno ATE 13.04602727.2 27,17 € Front
Contacto de aviso, desgaste de los frenos ATE 24.81900410.2 6,06 € Sensors 2 units
Juego de 4 pastillas de freno ATE 13.04604065.2 19,79 € Rear
i paid 5.60€ for transport to Portugal
