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I have a 2014 ML350 4matic base with 126,000 miles. The vehicle is due for an oil change. Today I started the vehicle up and the vehicle started shaking side to side and the exhaust sounded strange. The check engine light began to flash. What could this be? Any ideas?
I purchased the vehicle CPO when it had approximately 48,000 miles believe. The dealership told me they did spark plugs around then. I read up on the shaking of the vehicle, and with my milage and it seems like you are right. I def need to change the spark plugs and get the coils replaced.
I ordered a scanner to read the code via amazon. the moment I get home I'm going to checkout the codes.
On another note, where do you guys purchase your brake pads, rotors, and sensors from? Dealership wants $1200 for parts alone. I noticed autozone has powerstop and some other brands i've neer heard of. What do you guys recommend and what is a reasonable price for brakes, rotors?
I just put $550 worth of Powerstop's best rotors and pads on all four corners of my ML. That brand is already on Wife's jeep and my Chevy 3/4 ton truck. Good stuff.
here's one of the front of the ML.
FOLLOW THE BREAK IN PROCEDURE and make sure you have your 11mm Allen socket ready.
Last edited by rapidoxidation; Apr 7, 2025 at 08:54 PM.
I purchased the vehicle CPO when it had approximately 48,000 miles believe. The dealership told me they did spark plugs around then. I read up on the shaking of the vehicle, and with my milage and it seems like you are right. I def need to change the spark plugs and get the coils replaced.
I ordered a scanner to read the code via amazon. the moment I get home I'm going to checkout the codes.
On another note, where do you guys purchase your brake pads, rotors, and sensors from? Dealership wants $1200 for parts alone. I noticed autozone has powerstop and some other brands i've neer heard of. What do you guys recommend and what is a reasonable price for brakes, rotors?
Cleaner Akenono ceramic pads and Zimmerman rotors from FCP-Euro.
Free lifetime replacements with excellent wear characteristics.
Good deal on parts + amazin labor for a nicely short + proportional brake pedal.
The caliper springs are way to strong and cause uneven wear on single piston setup.
FAULTY CALIPER SPRINGS
These hardware springs torque the caliper 90 degree against sliders pins so calipers can not slide:
Genuine outer pads: NEW
Genuine inner pads: WASTED
> Fix the springs gets proportional brakes.
Front + back: same deal!
Proof : compare wear inner vs. outer pads
Regardless of clean siliconed sliders at 5k.Mi.
Last edited by CaliBenzDriver; Apr 7, 2025 at 09:26 PM.
Another brake option I used this. Did not need for rotor's
This was for my 2012 bluetec.
Carquest PXD1630H rear , PXD 1629H front[size=13px] [/size][size=13px]under US $140 for full set[/size]Rotor if really needed $120ec
Cleaner Akenono ceramic pads and Zimmerman rotors from FCP-Euro.
Free lifetime replacements with excellent wear characteristics.
Good deal on parts + amazin labor for a nicely short + proportional brake pedal.
The caliper springs are way to strong and cause uneven wear on single piston setup.
FAULTY CALIPER SPRINGS
These hardware springs torque the caliper 90 degree against sliders pins so calipers can not slide:
Genuine outer pads: NEW
Genuine inner pads: WASTED
> Fix the springs gets proportional brakes.
Front + back: same deal!
Proof : compare wear inner vs. outer pads
Regardless of clean siliconed sliders at 5k.Mi.
The rotors were junk, inside and out, front and back, left and right. After 12 years of use over 80K miles they were done, pad wear notwithstanding. That said, the inside pads were a bit more worn than the outside pads, but that has been what I've seen on literally every brake job I've ever done. Nature of the caliper design.
The front calipers on my ML are dual piston. Rears are single piston and have a very different setup.
Edited to add: I was a fan of FCPEuro until they changed their "lifetime warranty" policy. Now they're just an expensive place to get parts. There are better parts, and I do believe (from my experience) that Powerstop brakes are better parts.
Last edited by rapidoxidation; Apr 9, 2025 at 07:37 PM.
I have a 2014 ML350 4matic base with 126,000 miles. The vehicle is due for an oil change. Today I started the vehicle up and the vehicle started shaking side to side and the exhaust sounded strange. The check engine light began to flash. What could this be? Any ideas?
Hello mates. I just wanted to give an update. Yes indeed cylinder 6 was misfiring and required a coil to be changed along with the spark plug. I first ordered bosh plugs from fceuro and had an independent mechanic replace all 6 plugs and the the coils. Turns out the mechanic changed only the coil boots not the coils themselves. Shady mechanic went Mia after I spent a total of around $500. I ended up going to Mercedes where they fixed the issue for $2300. So for $2300 they replaced all of the coils and replaced the spark plug in cylinder 6 as they said it was flooding with fuel and was some what burnt out.
2004 E 500 4MATIC Wagon; 2015 ML 350 4MATIC; †2003 C 240 4MATIC Wagon (2003-2022)
Originally Posted by sixers
Hello mates. I just wanted to give an update. Yes indeed cylinder 6 was misfiring and required a coil to be changed along with the spark plug. I first ordered bosh plugs from fceuro and had an independent mechanic replace all 6 plugs and the the coils. Turns out the mechanic changed only the coil boots not the coils themselves. Shady mechanic went Mia after I spent a total of around $500. I ended up going to Mercedes where they fixed the issue for $2300. So for $2300 they replaced all of the coils and replaced the spark plug in cylinder 6 as they said it was flooding with fuel and was some what burnt out.
I've done a lot of reading on this and I can't seem to find a common among people when it comes to brand for the coils. Bosch (labeled BERU), Beru, Bremi, Mercedes and others are available. It gets confusing on which ones are OE and which ones work best for the price.
Hello mates. I just wanted to give an update. Yes indeed cylinder 6 was misfiring and required a coil to be changed along with the spark plug. I first ordered bosh plugs from fceuro and had an independent mechanic replace all 6 plugs and the the coils. Turns out the mechanic changed only the coil boots not the coils themselves. Shady mechanic went Mia after I spent a total of around $500. I ended up going to Mercedes where they fixed the issue for $2300. So for $2300 they replaced all of the coils and replaced the spark plug in cylinder 6 as they said it was flooding with fuel and was some what burnt out.
Too expensive. I will replace the spark plugs and coils this autumn. Yes, I will do this work myself.
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