Gearbox oil change W211

rpe2

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Morning Peeps,

Sorr I have been quiet recently, a nightmare time with the house move...:mad:

Having had the trrbo replaced on the car (and feeling the extra oomph) my thoughts now turn to the gearbox. Ever since I have had it the gearbox has felt lazy and the engine often feels as though it is labouring. When last at MBS Dave commented that the t/c felt a little slow/ late coming out of lock-up.

So this wekend I shall give the oil a change inc the t/c.

A couple of questions.

1. When I have drained the box, is it simply a case of disconnecting the oil pipe at the cooler and running the engine for a moment (to drain the t/c)?

2. Should I be running any sort of flushing agent through it?

3. If it is still the same after the change, what should the next course of action be (and its not get rid as I have just had it polished).

Many Thanks

Richard
 
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rpe2

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oh and before the question comes, no it doesn't drone.
 

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So that a drone will answer your post :D:D

There are two schools of thought on this one. yes you can take off a cooler pipe and spin the engine for a few seconds.

You could put a pump on the cooler and pump it out.

MB poor in another 3 liters of fluid, so that this pushes out the old fluid in the cooler and converter.

The choice is yours , you do not flush and you can use the latest spec fluid
 
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rpe2

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His: 2018 E220 d; Hers: 2016 SMAX
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Thanks Malc. Ever heard of a t/c going south on one of these?
 

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