The following thread refers to a different model of MB; however, there might be some cross-over. It's at least worth looking at. Consider what Steve Brotherton has to say in the article.
Fast idle in park
1991 300-SEL - Model 126
M103 - SOHC
James Madison - Oppressors can tyrannize only when they achieve a standing army, an enslaved press, and a disarmed populace.
Liberty Firearms Training - After years of trying to regulate California criminals with a never ending stream of gun control laws they have still not given up with the belief that if they make something a crime that criminals will miraculously start obeying the law.