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Ensure your Mercedes-Benz braking system alerts you accurately when front brake pads are nearing the end of their service life with this pair of front brake pad wear warning contact sensors. These sensors are essential safety components that trigger the brake pad wear warning or indicator light on your dashboard when the friction material on the pads has worn down to a critical level. Without functioning wear sensors, your vehicle won’t reliably alert you to worn pads, which can compromise stopping performance and safety. Replacing worn or damaged sensors when you fit new brake pads restores correct warning system operation and helps prevent unexpected brake issues.
OEM Number: 1635401317, A1635401317, 1265400617, 2005400317, 280054, WKT-50349K, PEXWK349, WK45112
Product Type : Warning Contact, brake pad wear
Fitting Position : Front Axle Left and Right
Brake Type : Disc Brake Warning Contact
Length : 184 mm
Length : 184 mm
Number of Wear Indicators : 2 Per Axle
Quantity : 2
| Make | Model | Variant | Type | Engine | Chassis | Year |
|---|---|---|---|---|---|---|
| Mercedes-Benz | M-Class | Diesel SUV | ML 270 CDI | 2685cc 120KW 163HP OM 612.963 | AWD -- W163 | 1999-2005 |
| Mercedes-Benz | M-Class | Diesel SUV | ML 400 CDI | 3996cc 184KW 250HP OM 628.963 | AWD -- W163 | 2001-2005 |
| Mercedes-Benz | M-Class | Petrol SUV | ML 230 | 2295cc 110KW 150HP M 111.977 | AWD -- W163 | 1998-2005 |
| Mercedes-Benz | M-Class | Petrol SUV | ML 320 | 3199cc 160KW 218HP M 112.942 | AWD -- W163 | 1998-2002 |
| Mercedes-Benz | M-Class | Petrol SUV | ML 350 | 3724cc 173KW 235HP M 112.970 | AWD -- W163 | 2003-2005 |
| Mercedes-Benz | M-Class | Petrol SUV | ML 350 | 3724cc 180KW 245HP M 112.970 | AWD -- W163 | 2002-2005 |
| Mercedes-Benz | M-Class | Petrol SUV | ML 430 | 4266cc 200KW 272HP M 113.942 | AWD -- W163 | 1998-2005 |
| Mercedes-Benz | M-Class | Petrol SUV | ML 500 | 4966cc 215KW 292HP M 113.964;M 113.965 | AWD -- W163 | 2001-2005 |
| Mercedes-Benz | M-Class | Petrol SUV | ML 55 AMG | 5439cc 255KW 347HP M 113.981 | AWD -- W163 | 2000-2005 |
| Make | Model | Variant | Type | Engine | Chassis | Year |
Our SKU: TM1635401317x2_313
All our Pair Of Front Warning Contact Brake Pad Wear For Mercedes-benz are OEM quality and reliable after market car parts. This Pair Of Front Warning Contact Brake Pad Wear For Mercedes-benz is specifically compatible with Mercedes-Benz: M-Class, .
Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.
If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.
These contact sensors detect pad thickness and signal your Mercedes when the pads reach minimum safe wear, illuminating the “Check Brake Pad Wear” or warning light on the dash so you know it’s time to inspect or replace the pads.
Timely warnings about worn pads help you avoid reduced braking efficiency, increased stopping distances, and potential damage to other brake components like discs.
Built to match the electrical connectors and fitment of factory brake pad wear sensors on many Mercedes models, these sensors replace worn or damaged units without modification.
Brake wear sensors are relatively inexpensive compared to major brake repairs — replacing them alongside new brake pads is good preventative maintenance and helps avoid future warning light issues.
Install easily while changing brake pads — most sensors clip into the brake pad backing plate and connect to the brake wiring harness. No special tools required if you’re already doing a pad change.
Q1: What exactly do brake pad wear contact sensors do?
Brake pad wear sensors are small electrical contacts or wires that sit in the brake pads; when the pad material wears down to a wear limit, the sensor contacts the rotor or disconnects, triggering the dashboard brake pad wear warning.
Q2: Why should I replace the wear sensors when I replace brake pads?
Over time the sensors are designed to break or wear down as the pads wear — reinstalling old sensors with new pads often results in false warnings or a non-functioning wear alert system. It’s best practice to replace sensors with the pads.
Q3: What are common symptoms of worn brake pad sensors?
Typical signs include the “Check Brake Pad Wear” message on the dashboard even after pad replacement, intermittent warning lights, or no wear warning at all when pads are low.
Q4: Can I drive with a worn sensor?
While the car can still brake, you lose an important safety signal about pad wear. Without a functioning sensor, you may not know the pads are dangerously worn until braking performance drops or damage occurs.
Q5: Do these sensors fit all Mercedes models?
Compatibility varies by model and year. Check your vehicle’s specific part number or sensor application before ordering to ensure correct fit and electrical connection.
We do not provide any guarantees on shipping times, as we are reliant on 3rd parties. However, we strive to ensure that our customers are always satisfied.
All products are protected by a upto 10 year worry-free warranty depending on Part
Warranty Coverage: Eligibility: To be eligible for 10-year warranty coverage, the car part must be fitted by a certified professional mechanic. Proof of fitment, including the mechanic's certification, must be submitted to Amesplan LTD within 30 days of the part's purchase date. Please send supporting documentation to us via email.In case a purchased product becomes faulty during its warranty period, for reasons unrelated to your acts, omissions or misuse of the goods, you must promptly notify us and fill out a warranty claim form.
Warranty Non-Coverage: We do not have any liability for any defect arising from normal wear & tear, wilful damage, negligence, tampering of the goods, incorrect fitting of the goods by you and/or a third party. We are also not liable for any abnormal working conditions, alteration or repair of the goods or a failure to follow goods manufacturers' instructions (whether oral or in writing)
We have a 180-day return policy, which means you have 180 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You will also need the receipt or proof of purchase.
For All Return buyers pay Return Postage.Returns will only be processed after we receive the approved part and a member of our team fully inspects the returned item & successfully matches the returned part to the return reason.
For All UK orders, we offer free return. We do not offer any reimbursement of shipping costs for Any orders on original sale like Next Day Postage.
For All Outside UK order We do not offer any reimbursement of shipping costs for Any orders on either the original sale or the return.
Please direct all questions to sales@d2pautoparts.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.
