what are some of the problems of a check engine light for 1994 E class mercedes?
Yes.
The 2010 Mercedes-Benz GLK-Class has a V6 engine.
The 2010 Mercedes-Benz C-Class has a V6 engine.
The 2007 Mercedes-Benz SL-Class has a V8 engine.
The 2012 Mercedes-Benz CLS-Class has a V8 engine.
The 2005 Mercedes-Benz SL-Class has a V8 engine.
The 2004 Mercedes-Benz M-Class has a V6 engine.
The 2013 Mercedes-Benz E-Class has a V6 engine.
The 2011 Mercedes-Benz SLK-Class has a V6 engine.
The 2008 Mercedes-Benz SL-Class has a V8 engine.
The 2013 Mercedes-Benz SL-Class has a V8 engine.
The 2003 Mercedes-Benz S-Class has a V8 engine.