Certified Pre-Owned 2013 E 350 question
Thankfully, in the CPO process, they replaced all 4 brake pads, rear rotors and rear tires. Front tires were pretty close to new as well.
Regarding brake pad wear, the rear brakes aren't as thick and hefty as the front and new is only about 8-10mm thick (fronts are about 12mm). So, if when you bought it and it was >50% at 4-5mm, its foreseeable that you wore it down another 1-2mm over 9K miles of driving. Heavy stop-and-go traffic we wear out brakes more. But I would start with insisting you get the CPO report with measurements if you feel strongly that the rear brakes should not have worn out that fast if it truly was over 50% when you purchased it.
Brakes are one of the easiest services to perform as a DIY or from an independent shop. Perhaps check with an independent shop if you don't like the dealer prices....
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Thankfully, in the CPO process, they replaced all 4 brake pads, rear rotors and rear tires. Front tires were pretty close to new as well.
Regarding brake pad wear, the rear brakes aren't as thick and hefty as the front and new is only about 8-10mm thick (fronts are about 12mm). So, if when you bought it and it was >50% at 4-5mm, its foreseeable that you wore it down another 1-2mm over 9K miles of driving. Heavy stop-and-go traffic we wear out brakes more. But I would start with insisting you get the CPO report with measurements if you feel strongly that the rear brakes should not have worn out that fast if it truly was over 50% when you purchased it.
Brakes are one of the easiest services to perform as a DIY or from an independent shop. Perhaps check with an independent shop if you don't like the dealer prices....
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Time to get them changed then.
Also I suggest turning off Lane Keeping Assist as it uses rear brakes to pull car into lane as required if you have it... which wears out brake pads etc.
YOur dash has a warning light when pads need replacing.... as a sensor is "plugged" into pad and when it hits rotor is grounded out and a brake pad light is lit up on dash....








