[Greenmanedlion]

I’d say that if you had problems with the wrist pins you would know for sure by now. The M274 is a direct injection engine. It is loud and sounds almost like a diesel. That is perfectly normal.

 

[Lane on the fence]

I checked the production date it says December 2014.

You should be good. The issue, Topic number L103.10-p-060916. Affected engines production 920.30.406602. (27March 2015) through to eo-043259 (20April 2015)

Green, this has nothing to due with the age of the vehicle...It's all about the miles.

 

[Bill S.]

Waking this up. Has anyone had anymore engine replacements or problems?

My 2016 GLC 300 is currently getting a new engine because 3 pistons cracked! They wanted $11k to fix it, but after I told the Mercedes service center that I'm going to do some digging because this is not normal for a car with only 40k miles on it, they said that I can have the engine for free and that I only had to pay about $4,500 for labor. While that sounds nice and all, I'm still going to report this issue to the National Highway Traffic Safety Administration to see if a possible recall can be initiated.

 

[Lane on the fence]

I haven't heard that one yet. Yours has the engine made in Tennessee in collaboration with Nissan. Good luck. I know Subaru has had some engine failures over something simple...like oil sensor parts separating and falling in the engine.

 

[Greenmanedlion]

Nissan: French quality with Japanese flair.

 

[2016GLCPiston]

My 2016 GLC 300 is currently getting a new engine because 3 pistons cracked! They wanted $11k to fix it, but after I told the Mercedes service center that I'm going to do some digging because this is not normal for a car with only 40k miles on it, they said that I can have the engine for free and that I only had to pay about $4,500 for labor. While that sounds nice and all, I'm still going to report this issue to the National Highway Traffic Safety Administration to see if a possible recall can be initiated.

Just got quoted $11,500 - 14,000 to fix a cracked piston in my 2016 GLC 300. Dealer said they will contact MB Corporate to see if they'll show some mercy.

 

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My 2016 GLC 300 is currently getting a new engine because 3 pistons cracked! They wanted $11k to fix it, but after I told the Mercedes service center that I'm going to do some digging because this is not normal for a car with only 40k miles on it, they said that I can have the engine for free and that I only had to pay about $4,500 for labor. While that sounds nice and all, I'm still going to report this issue to the National Highway Traffic Safety Administration to see if a possible recall can be initiated.

Hi, I know I’m replying to your post that is already a year old but just wanted to let you know that you are not alone regarding this engine failure problem. I have a c 300 with 51k miles that had the same issue . Turns out it’s a common problem for the m274 engine family . I also made a complaint with the nhtsa but went a step further and actually mailed them a petition to recall (it guarantees that the matter is looked at and either they will investigate it or deny it - and if they deny it they are required by federal to give a reason why ) federal law also dictates the amount of time they have to look into the matter … should be hearing something back from them in the next 2-3 months . I’ve already been contacted by Dan Rabinovitz, he’s a trial attorney for litigation and enforcement for the NHTSA. So hang in there! If you paid for the repairs your going to get reimbursed , I’m confident that the nhtsa will make this right .