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CP247
Gallery
BrandOPTIMAL
MPNWKT-50504K
OE refs4
SKU0129-WKT-50504K
GTIN / EAN4031185199674

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Details

SpecificationValue
BrandOPTIMAL
MPNwkt-50504k
Fitting PositionRear Axle
Fitting PositionFront Axle
Brake SystemBREMBO
Warning Contact Length [mm]115 mm
Length 1 [mm]75 mm

OE numbers (4)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 1635401517.

WIRE-SENSOR — Brakes
BrakesPosition main

About this product

OPTIMAL Warning Contact Brake Pad Wear (WKT-50504K) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Fitting Position: Rear Axle, Fitting Position: Front Axle, Required quantity: Aluminium, Brake Type: Steel, Brake System: BREMBO — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with MERCEDES-BENZ vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 001053, 014 054 0038, 105009, 1190046 and 35 more. Matching these numbers confirms a like-for-like replacement with no loss of function. OPTIMAL is a recognised supplier of automotive braking components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.

About OPTIMAL

OPTIMAL, founded in Germany, is a well-regarded aftermarket brand specialising in steering, suspension, and wheel bearing components. OPTIMAL produces ball joints, tie rod ends, control arm bushings, wheel bearings, and stabiliser links for European, Asian, and American vehicle applications. Manufactured to stringent quality standards with comprehensive testing protocols, OPTIMAL parts deliver OE-matching fit and performance. Known for excellent value and wide vehicle coverage, OPTIMAL is a popular choice among professional workshops across Europe.

Suitable cars

Equivalent products (35)

Show all 35 OE numbers
A.B.S.39597
AIC52296
BARUMBAV1024
BENDIX581361
FERODOFWI267
GALFERB1.G190-0043.2
ICER610454EC
JURID581361
KAMOKA105009
MEAT & DORIA212071
METZGER AUTOTEILEWK 17-046
MEYLE014 054 0038
MINTEXMWI0212
NAPANWL5175
NK280100
PEXWK504
QUINTON HAZELLBWI1002
QUINTON HAZELLBWI1252
REMSA001053
ROADHOUSE001053
STARLINEBD PR120
STARLINEBD PR150
TRISCAN8115 23015
TRISCAN8115 23020
TRWGIC202£6.99
WAGNERWWI267

Warning Contact Brake Pad Wear OPTIMAL WKT-50504Kcompatible car models

Car modelsMERCEDES-BENZ: M-CLASS (W163)
EnginesML 270 CDI (163.113)
Year of manufacture1998-2005
Manufacturer article number (MPN)WKT-50504K
OE part numbers163 540 1517, 163 540 1717, A1635401517, A1635401717
Compatibility check

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Description and what's included

OPTIMAL wkt-50504k . Brake System: BREMBO. Brake Type: 1. Fitting Position: HA. Fitting Position: VA. Length 1 [mm]: 75 mm. Required quantity: 2. Warning Contact Length [mm]: 115 mm

What's included:
  • 1x Warning Contact Brake Pad Wear
Shipping, returns, warranty

Free UK delivery on orders over £99.00. Tracked standard shipping.

  • Standard delivery: 5–9 business days
  • Order before 5pm — ships the next working day
  • Free returns within 14 days
  • All parts backed by manufacturer warranty

Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.

Frequently Asked Questions

Is this Warning Contact Brake Pad Wear compatible with my car?

This Warning Contact Brake Pad Wear fits MERCEDES-BENZ vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.

What specifications does this OPTIMAL Warning Contact Brake Pad Wear have?

This OPTIMAL Warning Contact Brake Pad Wear has the following specifications: Fitting Position: HA; Fitting Position: VA; Required quantity: 2; Brake Type: 1; Brake System: BREMBO; Warning Contact Length [mm]: 115 mm. Check the full specifications table above for complete details.

What OE part numbers does this Warning Contact Brake Pad Wear replace?

This Warning Contact Brake Pad Wear replaces OE part numbers: 163 540 1517, 163 540 1717, A1635401517, A1635401717. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Warning Contact Brake Pad Wear cost?

Warning Contact Brake Pad Wear prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this OPTIMAL Warning Contact Brake Pad Wear. All parts come with our 14-day money-back guarantee.

How do I know when to replace my Warning Contact Brake Pad Wear?

Regular inspection of your Warning Contact Brake Pad Wear is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.

What tools do I need to replace a Warning Contact Brake Pad Wear?

Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Warning Contact Brake Pad Wear fitted by a professional mechanic.

Can I use this part as a replacement for OE 163 540 1517?

Yes, this OPTIMAL Warning Contact Brake Pad Wear is a direct replacement for OE part number 163 540 1517. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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