advice spare parts

I have had my spark plugs changed at my local Mercedes dealership but, after already having a few issues with being given incorrect information, I am a bit doubtful as to whether they have actually been done. Call me paranoid but this is also after looking at some other customer reviews. Would...

Good Day to all the members, I have just registered and am keen to ask a few questions regarding my 1993 Mercedes 320CE. i'm after a bit of advice as to a good place to take my car for someone to take a look at the air con system on my car and why the tempomat/cruise control has stopped working...