I've had good and bad experiences with the parts dept. at my local MB dealership.
It's all a matter of who's at the parts counter. Some of their people have great customer service skills and some act like they're doing you a favor by being there.
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.