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Topic: 722.6 auto-gearbox dipstick Reply to Thread
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  Topic Review (Newest First)
04-16-2019 02:17 AM
Digger41 Hi, sucked out 3.5 lt and put back 2.75 and on the mark at 80c.
Thanks to all.
04-15-2019 07:16 AM
Astro14 I bought the red locking tabs in a pack of 5 from FCP Euro.

Here is what my book (you can buy it here: ) says about fluid level and dipstick length:
04-15-2019 06:11 AM
wallyp As keyhole says, the fluid level must be checked at the proper temperature. In addition, the fluid level must be checked:
- With the car level, front-to-back and side-to-side.
- With engine running.
- After shifting slowly thru the gear positions.
- Using the tool markings appropriate to the fluid temperature (either "cold" at comfortable ambient temp, or "hot" with the transmission fully warmed up - 80C is 176F, which is painful to touch).

In my case, only the red locking tab was broken, and the black cap has stayed on for several years with no problem.
04-15-2019 04:03 AM
keyhole Additional info:

1. 722.6xx ATF level is measured at two temperatures with suitable marks on the dipstick:
a) the initial fill at ambient (25 deg C)
b) normal working temperature (80 deg C) Use a digital IR thermometer pointed at the pan.

2. The ATF level is measured with the engine running and the transmission shifted between PNRD.

3. My MB dealership refused to sell me the required 'workshop tool'. MB Part No: A140.589.15.21.00. I bought one on ebay for about UKP 5.00. Chinese?

4. A new cap will be required, as the original has to be broken at removal.
04-15-2019 01:40 AM
Digger41 Many thanks to everyone, seems like I have too much fluid in the transmission.
Think I will drain sump and refill with 3.5 lts and go from there, unless anyone has a better idea.
Cheers, Brian.
04-14-2019 07:11 AM
wallyp Thanks! That's nice to know.
04-14-2019 06:05 AM
Witek_M Dipstick does not stop against bottom of the pan. Shoulder of measuring tip stops against the funnel in conductor plate.

04-14-2019 01:02 AM
Dave2302 HTH,
04-14-2019 12:53 AM
Digger41 Thanks Astro, that's a good start.
If you do get the time a more precise measurement would be great.
Cheers, Brian.
04-14-2019 12:42 AM
Dave2302 No one is talking about Engines in this thread !!

BTW the Mercedes 5 Speed Auto Trans is also called 722.6 which is the MB Number, then depending upon exact fitment / ratios etc it has more numbers ........... like ...........


I can see OP already knew this by his Thread Title

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