rmorin49

I don't believe the X5 is available with a 4 cyl, at least not in the US. Base engine in the 40i is a 335 hp I6.

moosaud1998

Yeah, that's my mistake

joshg1001

My car is currently in the shop for misfiring on two cylinders. The culprit is bad spark plugs. Luckily, nothing too serious. Will update with paperwork message when I get the car back. FYI, I have been compiling about check engine line for the past three years. It usually comes on for two days and then goes away for months. Previous dealership visits claimed they could not find a code stored. I brought my car to a different dealership this time and they were able to find it.

Billyismyname

I think you guys are a little bit too paranoid. I've had 3 E300's. I am currently in a 2017 E300 with 57,000 miles.

My first two E300's both had over 90,000+ miles and didn't have a single issue. Didn't even replace the spark plugs on them. Just changed the oil and filters every 7,000-8,000 miles.

I beat the **** out of them too since I used them for work (I was the only driver) and no one else drove them so I know the whole history of both E300's.

I think it happens to the best of us. I haven't heard of many issues with the E300.

On my 2014 and 2016 E350 I had two throttle bodies fail on me and three position footwell sensors (have to replace the whole pedal). It happens. Drive the car and take care of it with what the service interval book says.

rmorin49

Is the 4 banger in the GLC300 essentially the same as the one in the E class?

chassis

Yes, but there are two 2.0L four cylinder turbo gasoline engines. Transition is in the 2017-2019 model years, hard to confirm because lastvin.com doesn't show 2019 VINs yet, in my experience.

M274 up to model year 2017 C300, model year 2019 GLC300 and model year 2018 E300.
M264 after those change points.

M. H.

Hello, my car has been having similar issues as well the car dies on me in the middle of traffic the stop and start system male-functions then I hear an explosion in the engine once I take it to MB Dealership they tell me I have issues with pistines etc.., and I need a new engine I been complaining about this issue and how it was a safety hazard since Nov when my car was in warranty and now they wait until it's 50K miles when it's out of warranty to pretend like they care! I made a compliant on this government website for Re-calls please everyone make a compliant and also I am in contact with some state agency's and some attorney's to possibly get a lawsuit. By the way I am located in FL!

Website : https://www-odi.nhtsa.dot.gov/VehicleComplaint

JTK44

If you can document that the problem was first presented during the warranty period, and the problem was not corrected by the dealer, than I think your engine problem should be covered by the warranty.

If the dealer is reluctant, then a call to Mercedes Benz should get the ball rolling for you.

cathyreid

I just had this problem, but mine dropped an injector not a plug. Cylinder is scarred, but Mercedes won't replace my engine. (I have pics- We made the dealer show us the disassembled engine.) They are just replacing Piston #1 and injector.

glojo

I note that this is an oldish thread but I am still baffled as to how a spark plug can get into the cylinder?

If we are talking about the spark plug disintegrating then surely Mercedes-Benz do not make the actual spark plug and if these plugs are falling apart, then why is it only happening on very specific sized Mercedes engines?

Apologies for being a bit thick,but this thread has got my interest,

TikkaSamurai

Looks like the M274 is still in E300e(Model year 2020, delivery date 2019-11-14, vin W1K2130531A762301) here in Europe.

captret

I’m in the same boat…car was running fine, pulled on to NJ Parkway, engine stumbled, very rough idle, pulled onto shoulder and engine died. Towed to MB dealer in Englewood NJ.

After a couple of days, service rep called and said I had internal engine problem, mentioned pistons, and recommended that it wouldn’t be worth spending any more money on diagnosing the problem. Quoted 20k??? to replace engine.

I have serviced the engine after the 50k mile mark and followed MB recommendations. Always used Mobile 1.

I’m in shock and plan to tow car to my local Indy. Will call MB corporate tomorrow but service rep doubts I’ll get any satisfaction.

As with everyone else, this will be my last Benz. My old 380SL is still running with over 250K.

Any advice would be appreciated, will file complaint as mentioned above. Thanks. John

chassis

Sorry to hear, the incident could have been dangerous in traffic.

Another example that Mercedes-Benz manufactures garbage.

W205C43PFL

We need whistleblowers like these,
https://www.cnn.com/2021/11/09/cars/...dai/index.html
tl;dr it was too about premature engine failure that put their customers' lives at risk

machoman47

Sorry about your sisters situation, but that changing an engine a week seems to a bit excessive. i bought my wife 2017 E300 4Matic for her daily commute, so far we only have 21K miles on it, no issues so far. hope it stays that way.

joesama

I'm wondering if the Sparks are running a little hot in this case.. where it breaks and drops into the cylinders and destroying everything along the way?

I think the service interval of changing Sparks at 5yrs is the culprit here.

I changed the sparks on mine on the last sched at 3yrs mark as per the Australian Maintenance sched.. (at 32K Kms)
It looked pretty used. I'm not sure why North American Maint Sched shows 5 yrs.
Even my Mums W204 C250 cgi have a Maint Sched that shows to change it ever 3 yrs.

JTK44

FWIW: On my Ford Edge Sport, which is 2.7 bi Turbo engine, 335 HP, spark plug change is 100,000 miles. Most modern cars require (American, Japanese and Korean) do not call for a spark plug change until 100K

joesama

Isn't that V6? They are a complete different beast all together. If I had a turbo vehicle, I wouldn't be too comfortable changing the sparks at 100K miles or waiting 10yrs for that matter. But that's just me.
Besides, if comparing to the V6, I6 M256 produces so much more power.. Which requires even more frequent spark change.

JTK44

My point is even with the "beast" engine in my Edge Sport, it like most cars made in America, Japan and Korea as opposed to German cars, call for spark plug change at 100K not 50K miles. In fact the only maintenance required is oil and filter change plus cabin filter change for the first 50K miles. The oil and filter change is every 7,500 miles. That's it! Unlike the "A" service on the Mercedes that cost $250, an oil change is under $50!

In a similar vein, changing the brake fluid is not required. There is so much more maintenance on a regular basis, either every year or every 10K miles, on German cars vs. most other cars. After a while you begin to wonder why don't German cars just use same parts that other cars use instead of parts that require continuous maintenance all at extra and substantial additional expense.

BTW, I do not buy into the argument that if you can afford a Mercedes you can afford the maintenance. That is pure rubbish: I have been driving Mercedes since the early 80's. Back then the Mercedes cost more than a Cadillac, but the car and parts were built to last and the total overall cost of ownership, taking into consideration resale value and repairs was less than a Cadillac! Buying a Mercedes was buying quality that lasts - which turned out to be cheaper.

Today it is reversed: The Mercedes cost more initially, suffers rapid depreciation and cost a fortune to maintain - especially out of warranty.

Did anyone say "Alice in Wonderland"!

joesama

I know. I totally agree with what you are saying. Yet here we are. Some of us are having Engine issues on what? Mercedes?
It is a very poor stance in terms of brand perspective and as far as I'm concerned, the entire direction where Mercedes is heading is just towards the ground at the moment.

And you are absolutely right about needing to change the sparks every 3yrs or every 35K kms for Australian Mercedes.. It's a little ridiculous. But that's what it is.

JTK44

I just checked and here is the following:

My Mercedes Dealer has a special on the "A" service which is basically an oil and filter change: cost $225. Tire rotation is extra:

see: https://www.rallyemotors.com/service-specials/

My Ford Dealer has an oil and filter change plus tire rotation, $60:

see: https://www.bienerford.com/promotions/service/index.htm

Same oil, same filter plus tire rotation: why does the Mercedes cost almost 4 times as much for less?

The "B" service at 20,000 miles is $715, together with the "A" service $940 plus the cost of tire rotation, over $1000.

The Ford over the first 20,000 miles, three oil and filter changes and tire rotations, $180.

I love driving my Mercedes, but after a while it makes your "head spin!"

joesama

I think you are taking this a little out of perspective.
The brand power is a big player in this case. Unfortunately, Ford cannot be compared to Mercedes no matter what anyone tells me. The entire class is different.
The parts can be the same... But it's the brand that makes the difference here. (Which is crazy)

Think about it this way. Someone wanting to fly from NYC to LAX will cover the same distance, exactly the same airplane, but the price would be different between, lets say Southwest vs Delta?
Maybe you will get a little less extra services on Southwest, but essentially its the same service. Just maybe a little better looking?? Meals?? and Drinks?? But the prices are completely different.

JTK44

My point is the following:

The oil used in the Mercedes is Mobil One Synthetic:
The oil used in the Ford is Mobil One Synthetic:

The cost of the Mercedes oil Filter is $27
The cost of the Ford oil Filter is $14

In the waiting room both Mercedes and Ford offer you complimentary coffee, tea, donuts, Wi-Fi and charging stations.

So this is not comparing Southwest to Delta: It really is Delta to Delta.

The only difference is "Franz" is putting the oil in the Mercedes and "Joe" is doing the oil change at Ford!

BTW, the dealers are within several miles of each other, on the same road so their cost of buildings, etc.(overhead) are the same.

Have a great day!

cetialpha5

One thing you guys are missing is the spark system. Mercedes uses a multispark system so it fires up to 4-5 times per stroke instead of just once like most other systems. I think it was initially 4 but the latest is 5 times. Although to be fair, Ford use to do a waste fire system where the plugs also fired once on the exhaust stroke. But I think the 5 year might also have to do with not wanting the plugs to be seized if you do them in 10 years.

https://www.roadandtrack.com/new-car...ech-explained/

skytop

Have your dealer drop in a new Chevy LS3 550HP engine. It will run perfectly for 300,000 miles and keep smiles on your face all the way.