There are pages and pages and items that can cause a check engine light. You need to have it checked for codes with a scan tool. After repair light can be shut off with scan tool.
Can be any number of things wrong with the emissions system. Have the ECU scanned and the code will tell you what part is being effected.
how to reset the oil light on a 1997 mercedes e420
For my 1996 E320 I disconnected the battery for approximately 2-3 minutes. It worked. My wife had just recently filled the gas tank with bad gas that caused it too misfire.
A bad motor can cause a buzzing noise in your 1997 Mercedes E420 rear-view mirror. If it has a light, the light could also be going out.
You have to unscrew front right engine mount from bottom and lift engine (not remove).
It is important to use the right type of fluids in a vehicle so it runs smoothly. A 1997 Mercedes E420 uses 10w-40 engine oil.
e420 1994 hp 275
Why is my 97 mercedes e420 abs and esp warning light on?
Take a set of sockets and check until you get the right one.
from the front of the car passenger side is front to back 1,2,3,4. drivers side front to back 5,6,7,8. Therefor cylinder 5 is the drivers side front cylinder. The coils are mounted to the valve covers. The coils are expensive, check the the coil to plug connector,they are noted failure points on that engine and always a good idea to replace when changing plugs on the m119 E420 engine. (courtesy of benzworld.org)
you can check oil grades on www. castrol. com
The signal lights on a 95 Mercedes e420 is changed by removing the retaining screws and pulling the light away from the vehicle. The bulb can then be disconnected from the wiring harness, unscrewed from the housing, and a new bulb put in place.