We added a 2018 GLC 300 CPO to the fleet here for the wife. I drive a 2016 S550 daily and am over the moon happy with this GLC. Very impressed with this model. Nicely optioned, diamond white, expresso interior, very well cared for. I am a car nut, so our standard was high and really lucked out on this find. I have a lift and did an oil change already and did a thorough inspection and she hides no secrets I can find, beautiful car fax and maintence records. It does not show a brake pad or rotor replacement. It has 30,000 miles. Brakes look really good and also no major dust like my S550 which is a nightmare! Rotors look new. So first question: how long do these brakes last on this GLC?? I have been a Mercedes owner for many years and never owned model that got 30K on brakes only looking 40% or less -used?? So either the owner did an out of pocket brake change or someone here can clarify these brakes really last??? Second question: Anyone with any thoughts on a humming noise or harmonic from the rear end when doing a hard right or left turn?? Its not chatter, or grinding, or clicking, its pretty much a hum?? I am a car guy and work on cars up to a point, and can say its rotational like a dragging pad or touching a backing plate but neither of that seems to be happening here.
Thanks for your insight

Jim

 

My GLC has only 21K miles and brakes looks good like 40% left, but previous ML
I got 37K on rear and 97K on front.

 

I'm just over 60k miles on my '17. The front brakes still have plenty of meat on the pads, but the rears are pretty thin and will probably need replacing in the next 3-5k miles.

 

2017 GLE 350 4MATIC with 53k miles, original brakes, still have some miles left in them.

 

Thank you guys! That's the info I needed. Every Model, design, and pad compound are unique to the vehicle. For instance the Yukon Denali gets 75K-100K on pads! Crazy. But My S550 needed front and rears at 28K. This GLC is a nice sweet spot, I am impressed with it each time I drive it. Definitely going to use the stock pads again because they obviously last, but are also low dust. Thanks again

 

2015 ML 350 over 65,000 miles still original pads and rotors. Also, the newer models that have the Cruise control that maintains distance seem to wear out brake pads much earlier since the rears are used to help control speed and distance.

 

All M-B cruise control systems consume brakes, Distronic and non-Distronic, to decelerate when actual speed is higher than set speed.

Active lane keeping consumes brakes.

I avoid use of these driver assist systems for the reason that they consume brakes, and do not increase my sense of driving enjoyment.

Driving style has a large influence on brake pad life. I allow a large following distance to the next vehicle, and use engine braking, both habits aimed toward extending brake pad life. Also avoid jackrabbit starts because it often requires hard braking at the next red traffic light.

 

All GLC CPOs that I was looking at usually had pads and rotors replaced if they were >35k miles. <30k was pretty rare but we did see two cars that had rear rotors replaced. I guess it depends on driving tendencies. Based on that I'd guess that the average time for new rotors would be 50-60k considering that the CPO replaced if >50% worn.

 

Well I was at the dealer today for my rear end humming noise when turning sharp. They knew my truck and reviewed the service records with me. The prior owner had prepaid service and took very good care of it. It never had a brake job in 30K, and didnt need it to get the CPO. Impressive. Mystery solved.

 

For your next CPO, you can always ask to see the CPO Inspection report so you can see exactly what they had to replace and if they didn't replace, what the measurements were for tires, pads, rotors, etc.
Some dealerships won't share this, or say they can't, but they absolutely can. Sometimes the sales agent needs to request a printout from the service department, but if they know you're serious about the car they'll do it. See attached for an example.

Some dealerships were putting the information in the listing, some in the ipacket. But most were able to see in their cost how much they had into the car. It's good to know this information because it helps you understand what your first couple of years costs could be, and helps you compare car to car. Like if one CPO is $2k less but didn't have brakes/tires replaced when the other one did - which one is actually 'cheaper'?

Also, you know how much wiggle room they have in the price. If the car is a lease return from their dealership (i.e. they didn't have to pay to ship it) and they didn't have to replace brakes/tires etc, they have tons of room on the price. If they shipped it after an MBFS auction and had to replace tires pads and rotors, they're going to be very tight on wiggle room.

 

Great info. I am aware of the CPO report from other purchases, and do compare appropriately. This truck was a cream puff, with the prior owners buying the maintenance package up front. 10, 20,and 30K services done at this dealer. 3 recalls, and weather tech mats also. So it just had it 30K service right before the CPO which only needed 4 tires, detail and an alignment to meet CPO specs. It was used gently because the brakes and rotors are like new. It was priced right and feel the condition, options, and diamond white color over expresso interior should have commanded a little more from the other trucks I was looking at. It was Delray beach Mercedes which is a Autonation dealer. They check the market and give a no haggle price. So no negotiating, which to me meant take it or leave it. Like I said it was priced a bit lower than average, condition was as new, (owner had to be like me) good options, and they gave me a very good number on my trade so it was a good day.

 

Just went to the dealer with about 29K miles on my 2019 GLC 300. Told I was due very soon for a brake job but no details were given. (% worn) Have a big trip coming up so I need to have the car in tip top shape.
Seems from the forum that they might be jumping the gun. I don't commute and drive using brakes as little as possible by keeping distance, etc.
Also was told I need 4 new tires. The scorpions are rated at 50K miles or higher. Of course I don't qualify for a claim to Perelli because a detail sign-off by the dealer was not kept. Details of the warranty state that more often than your 10K service is required. Can anyone give me some advice on both of these issues? Should I just get the work done and be done with it?
Meanwhile my dealer is hounding me for a review of the service!

 

I'm not sure about your GLC, but my old S-Class had sensors that would give me a warning on the dash about pad depth. The dealer on my last service said they would need to be addressed soon, but told me about the warning light, and anything before then would just be if I felt like it.

 

All of the Mercedes going back a number of years have the brake pad sensors -- though with the few I've owned, I've never seen it illuminate. Usually the dealer will give you a measurement -- 10mm or so is full depth and 3mm is usually as low as you want to get before you want to change them. I've sometimes gotten down to 4mm where I've voluntarily changed them, but that's a convenience decision vs. a need to do right now.

Brake life, somewhat like tire life, is very dependent on driving style. The same vehicle driven differently could get 20k miles out of brakes, or 50K miles. More pedal pressure creates more heat (and more friction), so if your style is to "enjoy the ride", your pad life will be lower. Alternatively, if you coast up to traffic lights, don't stop short, drive lots of highway miles for longer stints, your pad life will be better.

While tire live is less dependent on style than brakes, driving style does contribute. Long highway journeys tend to cause less wear than lots of turns/cornering. That said, the one thing I learned pretty quickly before picking up my GLC is to not expect more than 30k on the tires. So 29k is probably right near average. You can feel the little tread depth markers (little nubs) in the grooves if you run your fingers through them. They are 2mm protrusions, which indicates your usable tread is fully used up. When you get close to the wear markets, the car will handle very poorly in wet weather and isn't really safe to drive anymore any long distances or in bad weather. if your tread is pretty close to the wear markers, it's time for tires.

Regarding the warranty, if these are the original tires -- you don't get a tread warranty. Every new car sold with OEM tires that I am aware of gives up the tread warranty (buying in bulk by the manufacturer). So even with records, they probably won't honor the 50k mile warranty. Also, 50k for any SUV is very impressive, even with good maintenance/rotations. I got 45k out of a set of Michelins on an Acura RDX and I was thrilled. The replacement tires are 55k mile warranty and I doubt we'll cross 40k on them before getting really close to the markers. We like the tires so we'll probably buy them again and hope for a little warranty relief, but again those weren't the original tires...

 

GLC300, MY2017, 62k miles. Still original brakes and rotors. Very happy.

 

56,000 miles and still plenty of pad thickness remaining on original pads. Longest-lasting brakes I've every owned (this is our first Mercedes product in 30 years of adulthood). But as others have said, it depends on driving conditions and how one drives.

As far as the original poster's Pirelli Scorpions, those are horrible tires. They are extended mobility, which anyone will tell you are heavy, have horrible handling, poor traction, and rarely last over 25,000 miles (we got 19,000 on ours....currently 37,000 on our Continentals (not extended mobility).

 

I will check for the sensors - definitely have not gotten a warning yet - thank you!

 

High Technology - thank you for the reply - very useful info! I thought it was strange I didn't get a measurement on brake pads. I am going to ask the dealer for the measurements. We are going on a 4000+ mile trip this winter and obviously want to make sure brakes are in good working condition. I will be changing out the tires for winter tires soon anyway and then I will get new all-season tires for the Spring. The treads do look thin to me although I haven't actually measured. Any suggestions regarding new all-season tires? I agree with another post who thought the Scorpions did not ride well.

 

Jetfuture - Not sure what extended mobility means but I agree with you on the Scorpions. Thanks for the reply.

 

I have the Continental tires on my GLC, and have no complaints whatsoever about them. Granted, I only have 12k on them after 20 months, so I have no idea if they will last over 30k or not. If I get 30k out of them, I might replace with like, as I’ve been pleased with Contis on my other cars.

FWIW, I hated run-flats on my ‘14 BMW due to the harsh ride, and resigned myself to similarly swap out fir non-RF if I disliked the GLC ride, but I am very happy this far.

If not the Contis again, Costco has something that I think are Bridgestone.

Extended Mobility is Mercedes-speak for run-flat. Since the sidewalls are ridged, the ride is harsher and the tires tend to wear out a bit faster (since the sidewalls can’t compress/flex as much, much stress on the tire treads over bumps).

 

Scorpions are the worst tire ever! We just put Michelin defenders on the GLC, and I bought a spare set up and jack from a GLE. We had the Defenders on another SUV and love them. Changed the whole ride of the GLC and took it up a few notches!! They also last a long time.

 

This is in metric, kilometres ;
GLC 250 diesel, 4Matic - constant 4WD.
42,000 kilometres front pads and disc and rear pads. 80, 000 kilometres on rear discs.
driving style semi relaxed - extensive use of driving aids, disctronic, lane departure etc. Lots of single and dual lane roads in heavy traffic at 40-80 KPH speed.

Tyres can recommend Goodyear All Season Eagle MOE

 

Hello there,
I have been driving the 2018 GLC 300 4Matic CPO for the past one year and it now has 45,000 Km. Got the warning message two days ago saying "Check Brake Pads Wear". I had the major service at the MB dealership two weeks ago and they didn't even suggest changing. So I had to look at their service notes and here are the measurements they noted: Font pads: 10 mm (83% left), Front Rotor: 31.3 mm

Rear pads: 3 mm (25% left), Rear rotor: 23.2 mm

It certainly looks like the rear pads and rotors are gone! I don't like MB pads as they are soft hence creating a lot of dust. When I had my C300, I put Akebono Euro Ceramic pads with MB rotors...was great and never had to change for 7 years! I am thinking about doing the same here.

Questions:
1) Has anyone moved away from MB pads to Akebono? What rotors did you use?
3) I think I will have to change pads and rotors together. Should I change all together, front and rear, or changing only rear is enough?
4) I think the brand new pads have 12mm thickness. Do you know what the thickness is for brand new rotors?

Thank you

 

So I was at the dealership today and asked about winter wiper blades and the reply was that there aren't any. MB makes one set of blades for the GLC and that's it. Service Rep also said
that Mercedes often makes it difficult for manufacturers to make parts with the right specifications. The blades do not look easy to replace even if I found the right set. Calls to a couple of parts stores
came back with no winter wiper blades that fit the car. Has anyone had the same experience? Current wipers are not in bad shape but I will be driving in snowstorms and would prefer a more heavy duty set if available.

Also, I will be buying a new set of all season non run flat tires. I have read others have purchased and liked Continentals and Michelins. Please let me know if you have non run flats that you like.
Thanks in advance for your comments.

 

Unfortunately is appears there is one set of MB blades and they are not all that great. I haven't looked for a non-OEM lately as I have been still buying the service packages and they have been getting replaced with the service, but at some point I may replace on my own so hopefully someone has info on aftermarket
As far as tires go, there are may threads here with a lot of good info. I have about 15k on Michelin CrossClimate 2 (18") and absolutely love them and would not hesitate to buy them again. Great in the rain, quiet, and look like they will last a while. Have not tried them in snow but they are supposed to be good in snow as well.