Brake Type : Disc Brake. Write to us. M-CLASS (W163). The invoice for the fees is usually issued by the carrier. Part identification (does the part fit in my vehicle)?. Fitting Position: Front Axle; Vehicle Identification Number (VIN) from: A 289560, X 754620; Fitting Position: Rear Axle; Vehicle Identification Number (VIN) from: A 289560, X 754620.