Assuming this is an automatic you would add fluid through the AT dip stick tube located near the top rear of the engine.
See the related link below for step by step instructions with pictures on how to change the transmission fluid in your 1999 MB E320.
standards transmission oil you can try gL5 ...
On my 1998 E320, the factory manufactured the transmission without a dipstick. It was assumed it wouldn't need one. I bought one from the dealer and then serviced my transmission with dealer fluid, filter, seals, etc.
where is the spark plugs located on a 1996 mercedes e320
Can find where to put more fluid for the power steering on my Mercedes 1997 e320
can replace 1997e320 mercedes transmission with 2001
The fuel capacity of 1996 Mercedes e320 is 80 litres.
Yes, inside the transmission.
Do I have to use MB power steering fluid or can I use an alternative fluid in a 1997 E320.
I was a Mercedes mechanic. My 1998 E320 wagon has a combined hydraulic fluid resivoir for the automatic load leveling and power steering. I buy the fluid from a dealer.
7.5 liters OR 8.0 quarts for W211 E320
Possibly kickdown button located under the 'gas' pedal is stuck in the down position.