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I have a 2016 E400 with 43750 miles on it and the transmission fluid has never been changed. I am due for service now. Is it time to get the transmission fluid changed or can I wait longer?
That's about when I did mine, along with new transmission mount and motor mounts. It made very nice difference. I was hearing a strange squeak noise and a very brief vibration when it would go into 5th under light load. That was all fixed. I'm circling 65k now, and thinking I'll probably do the fluid again soon. Will likely keep it around 30k miles for fluid/filter changes going forward. I can feel it slamming 4th gear when cold and driving it slow out of the neighborhood sometime now. Once it's warmed up, it doesn't do it. I think it's the fluid and likely build-up on the solenoid for that gear. May pull the connector plate and clean the solenoids.
I have a 2016 E400 with 43750 miles on it and the transmission fluid has never been changed. I am due for service now. Is it time to get the transmission fluid changed or can I wait longer?
Just got the transmission serviced and it was $899.00. Does that sound fair?
Did they get to drain the torque converter ?
TQ itself contains approx 3.5 liters ish of fluid and that is a lot.
By the book :
01. The rubber seal of oil pan must be replaced.
02. The 6 aluminum bolts of the oil pan, must be replaced. Torqued to proper spec and 180 degrees. This is a 1 time use items.
03. Tranny oil filter...sure, must be replaced.
04. Torque Converter drain plug must be replaced when removed, its copper seal is integrated and the thread of the drain plug has the anti vibration thread locker pink color.
If the workshop follows all the proper WIS up to torque converter draining and 45Celcius oil level using Xentry or equivalent scanner, I think that is decent price.
9 liters of the blue FE ATF fluid will be used but 10 liters is pumped in.
I do my tranny oil change per 2 years or max 20,000KM.
Due to my city typical SUPER traffic jam, 20,000KM is about 1,000 operating hours, 20 KM/H average city speed...what to do
1,000 hours is A LOT for oil to suffer. True oil life is by hours not mileage.
AUXILLARY OIL PUMP need to be removed to drain torque converter.
Since I got to spin the crankshaft to align the drain plug at the Torque Converter, my Teslong boroscope come handy as a remote viewer, easier set up than using wifi based GoPro.
The 2 magnets still dirty ? albeit only 2 years and only 13,000KM ish ?, sure.... Not super dirty but it get some. I wonder if the clutch material is magnetic ?
Last edited by S-Prihadi; Sep 27, 2022 at 02:44 AM.
Reason: ADD INFO
John, I forgot to add.
Our E400 is 3.0 Turbo and the aftercooler is blocking the main crankshaft pulley.
So aftercooler need to be removed to spin crankshaft to get torque converter drain plug at zero position.
This is another 1 ish hour work and some coolant lost.
If workshop is experienced with M276 3.0 turbo, the air bubble removal can be assisted with manual activation of the aftercooler electric water pump using Xentry.
If not, you best check the coolant level after some hours of driving, 50-100milliliters you may need to top up.
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