There are lots of 2017 GLC 300 that has been having issues with PCV system that are malfunctioning that could cause engine failure. Customers are forced to spend $2000 plus to have this fixed rather than Mercedes owning its problem and fixing it. For your reference please check glcforum.com where glc owners are ranting their issues with PCV systems. https://www.glcforums.com/threads/2019-glc300-4matic-pcv-code-crankcase-ventilation-oil-separator.7997/
2017 Mercedes-Benz GLC 300: engine failure
5 of the 102 complaints about the 2017 Mercedes-Benz GLC 300 describe engine failure.
- owner complaints
- 5
- of this car's complaints
- 5%
- recalls
- 0
Is there a fix? 12 service bulletins cover this area of the car. See below
Engine failure by model year
What owners say
Catastrophic engine failure at 63,000 miles. Mechanic says its a known issue with this particular make and model of that year. Dealer says I need to replace the engine.
Was driving on the freeway car started to shake. Speed dropped from 73 to 40 I was thankfully able to merge off the freeway. I stoped to see if there was any visible damage. Everything look normal. Was able to make it home. Husband changed spark plugs and coils. Also bought another small part nothing fixed it. Took it to two different auto shops one being Mercedes. They both confirmed it's a blown engine at 47,000 miles. Unbelievable.
driving car and engine failed, #1 piston crack, turbo metal filings ruined it also, very expensive repair. both engine and turbo had to be replaced by mercedes benz service. many others are reporting this also, catastrophic failure at speed possible - not known if any fatalities associates with these engines (on both c300 and glc300 circa 2015 to ~2018)
The engine suddenly went up in flames while driving,my wife switched off the ignition and go out of the car. There was a big hole and mercedes authorized dealer siad this is a catastrophic event. This car is new purchased on october 31st 2016 mb says they will replace the engine as it is in warranty, but sentimentally we are so upset , if the fire would have caught on to gas tank. Please suggest. Vehicle was in motion and she was driving at less than 30 miles per hour when she noticed burning smell and immeditely fumes were coming from the AC vents. Please suggest our options in this case
Service bulletins that may apply
- Engine
- Engine
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 Positive Crankcase...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
Related recalls
No recalls on record for this model year.
Questions about the 2017 Mercedes-Benz GLC 300 engine failure
Is engine failure a common problem on the 2017 Mercedes-Benz GLC 300?
5 of 102 owner complaints about the 2017 Mercedes-Benz GLC 300 (5%) mention engine failure. The model year with the most reports is 2016.
Is there a recall or service bulletin for this on the 2017 Mercedes-Benz GLC 300?
There are 0 recalls and 12 service bulletins for the same area of the car. Check them below with your VIN.
Other symptoms on the 2017 Mercedes-Benz GLC 300
VIN decoder
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