Need help with part numbers and vehicle vibration
Thread Starter
Senior Member
Joined: Feb 2018
Posts: 482
Likes: 140
GLK250 ML350
Need help with part numbers and vehicle vibration
Hey guys, recently my ML have vibration at speed 100km to 120km, I don't think it my tire balance, I will try to get that balance anyway on Tuesday to eliminate the tire factor. I am thinking it maybe my transmission mount, engine mount or worn out blushers on control arms, sway bar link and etc. Can someone please help me with the correct part number for the engine mounts and transmission mount.
Here is my VIN
4JGDA2EB9DA261322
Here is the part numbers I found from FCP euro
Transmission mount - A1662401118
Engine Mount - 1662405917 (Right) and 1662405817 (left)
Symptoms of vibration issues
Start to noticeable on 100km, get worse as speed into 120km, but any speed after 120km, the vibration stays the same or die down a bit
Did the check on the strut, i pushed down the vehicle and bounce right back and no signs of bad strut
Any suggestions will be great to address my vibration before I take it to the shop. Thanks in advance.
Here is my VIN
4JGDA2EB9DA261322
Here is the part numbers I found from FCP euro
Transmission mount - A1662401118
Engine Mount - 1662405917 (Right) and 1662405817 (left)
Symptoms of vibration issues
Start to noticeable on 100km, get worse as speed into 120km, but any speed after 120km, the vibration stays the same or die down a bit
Did the check on the strut, i pushed down the vehicle and bounce right back and no signs of bad strut
Any suggestions will be great to address my vibration before I take it to the shop. Thanks in advance.
Senior Member
Joined: Jul 2017
Posts: 487
Likes: 114
From: DFW, TX
Ml350 bluetec
Do you see the steering wheel wobble left and right? Have you checked to see if CV axles boot are torn and flung grease onto your wheels? If it was a worn engine transmission mount it would show up in different way.
1. Place vehicle in park. Block all 4 wheels.
2. Put transmission into Drive, keep your foot on the brake.
3. Rev up the engine and see if the engine leaps up or jumps while revving up the engine.
If the engine leaps up or jumps, then you have worn engine mounts.
Another symptom of worn engine mounts is when pressing the accelerator from a stop, you will either feel or hear a clunk as the engine twist to get the vehicle moving.
1. Place vehicle in park. Block all 4 wheels.
2. Put transmission into Drive, keep your foot on the brake.
3. Rev up the engine and see if the engine leaps up or jumps while revving up the engine.
If the engine leaps up or jumps, then you have worn engine mounts.
Another symptom of worn engine mounts is when pressing the accelerator from a stop, you will either feel or hear a clunk as the engine twist to get the vehicle moving.
Thread Starter
Senior Member
Joined: Feb 2018
Posts: 482
Likes: 140
GLK250 ML350
Do you see the steering wheel wobble left and right? Have you checked to see if CV axles boot are torn and flung grease onto your wheels? If it was a worn engine transmission mount it would show up in different way.
1. Place vehicle in park. Block all 4 wheels.
2. Put transmission into Drive, keep your foot on the brake.
3. Rev up the engine and see if the engine leaps up or jumps while revving up the engine.
If the engine leaps up or jumps, then you have worn engine mounts.
Another symptom of worn engine mounts is when pressing the accelerator from a stop, you will either feel or hear a clunk as the engine twist to get the vehicle moving.
1. Place vehicle in park. Block all 4 wheels.
2. Put transmission into Drive, keep your foot on the brake.
3. Rev up the engine and see if the engine leaps up or jumps while revving up the engine.
If the engine leaps up or jumps, then you have worn engine mounts.
Another symptom of worn engine mounts is when pressing the accelerator from a stop, you will either feel or hear a clunk as the engine twist to get the vehicle moving.
I am so lucky that my mechanic have the Hunter road force tire machine. Apparently, a lot of people have vibration issues at highway speed and was able to solve it by using the Hunter road force tire balance. Mine vibration issues pretty much gone now. I am really happy with the result. If you have issues with vibration, try to road force balance your tire before replace any parts
