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w124 1993 220E - ADB1240226B970861
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Discussion Starter #1
Hi,

I suspect my transmission is over-filled, when checked in the morning the oil level is always above the highest mark and after a drive, the oil level is way above the highest mark, somewhere about halfway up the stick.

As seen on online articles, the dipstick has 2 markings with temperature readings on them however the dipstick in my car just has the 2 markings as per the photo.

Is this the correct dipstick for the car?

I also assume that if this is the correct dipstick, the oil level should be on the lowest mark when the oil is cold?
 

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W124 Moderator
86 190E 2.3L 16V, 2 95 320TE's, 02 S500
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12,822 Posts
To properly check the transmission fluid level, the car has to up to full operating temperature (ie 80c) parked on flat ground and running.

The fluid level needs to be between the two marks but not over or under. If your level is high up on the stick, above the upper mark, get the level down, and get it down before you go driving. Having the transmission overfilled is big, big no no.

Good luck

Sent from my XT1710-02 using Tapatalk
 

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w124 1993 220E - ADB1240226B970861
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49 Posts
Discussion Starter #3
Thanks

Checked it this morning with the engine temperature at 80. Whilst the car was running the oil level was about 5mm below the lowest mark and when the car was off the level was way above the highest mark.

Is this normal and should I add more oil so that while its running the level is between the 2 marks?
 

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W124 Moderator
86 190E 2.3L 16V, 2 95 320TE's, 02 S500
Joined
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12,822 Posts
When the car sits for an extended time like over night, fluid from the torque converter will drain back into the transmission pan. Hence checking it cold doesn't mean a thing.

Again, when fully warmed, running in Park and on a flat surface add only enough to get the level somewhere between the marks.

Good luck

Jayare

Sent from my XT1710-02 using Tapatalk
 

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1989 W124 260E
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1,783 Posts
Take the car on a run Then after engine is up to temperture park on a flat surface . Put car in to P - park with the service brake on ,, for this check let the engine run ,, dont turn it off... .. Pull the dip stick out wipe it with a lint free cloth so it leaves no particals on the dip stick...Put the dip stick back in to place ,then withdraw it read the level as above post . The dip stick is right one its the same as my 260e and it will have a kink in it .
 

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w124 1993 220E - ADB1240226B970861
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49 Posts
Discussion Starter #7
Thanks! will get it sorted this weekend
 

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Premium Member
1990 Benz 300E 2.6 (mine) ; 1994 E320 Wagon (wife's) ; 1993 300CE Cabrio, needs some TLC
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7,229 Posts
it takes a good half hour at speed after the engine is at operating temperature for the transmission fluid to get there too.
 
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