Thanks for ‘splaining that! Hopefully, you can get another SAM online and restore your functions.
Sent from my iPhone > On Mar 26, 2023, at 9:21 PM, dan penoff.com via Mercedes > <mercedes@okiebenz.com> wrote: > > Signal Acquisition Module (SAM) > > There are three or more in W220s and later models. They control a myriad of > things in the car and “talk” between each other and other systems on the > CANbus (data bus) that runs through the car. > > For instance, my right front SAM controls things like right side headlights, > interior and exterior lights, all sorts of different things. > > The big issue in the W220s was water intrusion. They had lots of problems > with SAMs getting wet (they’re an integral part of each major fusebox) and > acting up, mainly on one that was in the passenger footwell. > > They are coded to the car, however, that coding is very elementary in that it > really only deals with what options are on the car or not. If you replace one > with the same part and revision number, it’s going to work, but there’s a > remote possibility you could “lose” an option if it’s not coded. Coding is > done in DAS and just appears to consist of reading the function list for the > SAM and making sure all the stuff you need turned on is turned on. Once you > have it set, you re-code it and all is well. > > -D > >> On Mar 26, 2023, at 9:00 PM, Kevin Kraly via Mercedes >> <mercedes@okiebenz.com> wrote: >> >> Dan wrote: Lastly, the right front SAM is acting up… >> Who is SAM? I’ve never seen that acronym before. >> >> Sent from my iPhone >> >>>> On Mar 26, 2023, at 8:37 PM, dan penoff.com via Mercedes >>>> <mercedes@okiebenz.com> wrote: >>> >>> Took the car out for a shakedown run after I installed the new exterior >>> mirrors. >>> >>> OMG! >>> >>> This car has amazing power and acceleration. I think the Road and Track >>> review said they were able to do 0-60 in under six seconds, and I would >>> believe it. You definitely get some serious push back in the seat when you >>> stomp this thing. >>> >>> After the shakedown, I ran a quick test on it and found what I expected to >>> see - the left bank of cylinders misfiring, adaptations out of whack >>> because of the rich mixture getting to the O2 sensors, etc., etc. I got the >>> new set of coils ordered from the aftermarket guy. They should be here >>> later in the week. >>> >>> The right rear ABS sensor keeps coming up as open. Not sure if the wiring >>> is goofy or maybe the ESP module is acting up. It didn’t throw ESP or BAS >>> errors, but my ABS light was on all the time. >>> >>> Lastly, the right front SAM is acting up since I did the repair in the fuse >>> box. At least that’s when it was working for a short time, at least. A >>> mechanic very well versed in these models told me that SAM go kaput all >>> the time and I should just replace it. Found a good used on on eBay for >>> $50, that’s on the way tomorrow. >>> >>> For the most part everything is sorted. There are some less critical things >>> I need to address, but for the time being all the big stuff has been fixed >>> or is being dealt with. >>> >>> It is an amazing car and will cause great consternation for our local >>> gendarmes once I let Mrs. Dan get behind the wheel. >>> >>> -D >>> >>>> On Mar 25, 2023, at 3:54 PM, dan penoff.com via Mercedes >>>> <mercedes@okiebenz.com> wrote: >>>> >>>> Huzzah! >>>> >>>> Didn’t find any opens when testing the ESP wiring, but bugging it must >>>> have resolved the issue as I no longer have the fault. It would fire up >>>> immediately upon startup without even moving the car, and the last couple >>>> times I’ve started it they no longer appear. >>>> >>>> I’ll take it to the grocery store tomorrow for a test drive. >>>> >>>> Tomorrow I’ll pull the bumper to remove the headlights so I can repair the >>>> wiring and replace melted running light bulb sockets. This was enough of >>>> an issue that Mercedes sells the sockets with pigtails as service parts. >>>> I’m not getting any xenon headlight on the driver’s side, so I’ve got new >>>> Philips bulbs for both sides and a ballast just in case, too. >>>> >>>> Put the battery clamp in and installed a missing cargo net hook in the >>>> trunk. >>>> >>>> Looks like I’ll have to pull door cards in order to install the new >>>> exterior mirrors I got. Ugh. Not a bad job, just something I wish I didn’t >>>> have to do just to replace the mirrors. While I’m in there I’ll look for >>>> things that are amiss or missing, like the plastic barrier film, for >>>> example. Both seat adjusting panels are a bit loose, likely due to the PO >>>> ham-handing them in the past. >>>> >>>> -D >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
