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Search: Posts Made By: CPDay
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05-03-2019, 05:23 PM
Replies: 86
Views: 44,951
Posted By CPDay

bentonmike- It can't hurt to try a scanner,...

bentonmike- It can't hurt to try a scanner, especially if it is done for free, but I wouldn't be optimistic. I have a Star Diagnostic System now, but I didn't back when the Red Battery Warning...
04-22-2019, 04:10 PM
Replies: 301
Views: 403,854
Posted By CPDay

Thumbs up Happened to my 2008 SL550

I had been noting this thread on the forum for a long time. It was one of those issues that I expected I would have someday.
When I saw my "Trunk Lid Open" message a few weeks ago, I knew where to...
04-21-2019, 10:41 AM
Replies: 86
Views: 44,951
Posted By CPDay

sgort2- Good question. I know for certain that I...

sgort2- Good question. I know for certain that I did disconnect both batteries and I did not use any type of memory saver. I had to reset the convenience items (seat positions, window close...
03-26-2019, 06:43 AM
Replies: 86
Views: 44,951
Posted By CPDay

It may be helpful to go back to the start of this...

It may be helpful to go back to the start of this thread (from 3-1/2 years ago!). I went through the “is it the fuse or the N82/1 unit” decision, and decided to dig down to the fuse FIRST, because...
03-25-2019, 05:01 AM
Replies: 86
Views: 44,951
Posted By CPDay

The battery management circuit switches the 14+V...

The battery management circuit switches the 14+V charging on, off and between batteries to “optimize” the batteries. I watched this through several days of driving before concluding what was actually...
03-24-2019, 06:18 PM
Replies: 86
Views: 44,951
Posted By CPDay

I think that we need to be clear on what...

I think that we need to be clear on what "checked" means with regard to the fuses. I originally diagnosed (and fixed) my red battery warning by continuously monitoring the voltage at each battery to...
03-24-2019, 08:43 AM
Replies: 86
Views: 44,951
Posted By CPDay

Fuses Are Good....

I have been saying this for years in this thread, but Iím not sure that I have been real clear regarding the two fuses in question: To be tested, they need to be electrically isolated from the...
03-19-2019, 10:00 AM
Replies: 86
Views: 44,951
Posted By CPDay

Rodeo- Ah, so someone installed a plain-vanilla...

Rodeo- Ah, so someone installed a plain-vanilla lead acid battery in your trunk? By itself, I’m not sure that would be a serious problem, but AGM’s do have different charging profiles. There are...
03-18-2019, 06:11 AM
Replies: 86
Views: 44,951
Posted By CPDay

Rodeo- As you are now waiting for the new F52...

Rodeo- As you are now waiting for the new F52 fuses to arrive, could you do a simple continuity test across each of the two removed fuses? If either of them are blown, that’s important information.
...
03-17-2019, 09:19 AM
Replies: 86
Views: 44,951
Posted By CPDay

Just one comment: To test the two fuses (F52f1 &...

Just one comment: To test the two fuses (F52f1 & F52f2), one needs to remove them or at least disconnect one side of each fuse. I hope that you did this. As discussed earlier, testing them in place...
01-28-2019, 09:44 AM
Replies: 12
Views: 1,972
Posted By CPDay

As I had gone through the considerable effort of...

As I had gone through the considerable effort of removing the old pulsation dampener, and knowing that they have a limited lifetime, I replaced it with a new Mercedes factory-refurbished dampener....
11-22-2018, 11:03 AM
Replies: 17
Views: 1,814
Posted By CPDay

My SL is black. I have been thinking of painting...

My SL is black. I have been thinking of painting my calipers black, as well. With any other color, I feel like I'm calling attention where none is needed or wanted. As though: "I drive an...
11-15-2018, 09:24 AM
Replies: 10
Views: 1,833
Posted By CPDay

Before storing the SL for the Winter, I have been...

Before storing the SL for the Winter, I have been inflating the tires to an extra 3.0 PSI and using Flatstoppers to prevent flat spot formation. The Flatstoppers seem costly at first, but they are...
Forum: W211 AMG
11-15-2018, 09:18 AM
Replies: 4
Views: 1,823
Posted By CPDay

*

*
11-12-2018, 01:05 PM
Replies: 21
Views: 1,334
Posted By CPDay

I am confused now. Are you saying that it is not...

I am confused now. Are you saying that it is not a good idea to proceed carefully? Or are you saying that I don’t understand German?
11-12-2018, 06:22 AM
Replies: 4
Views: 711
Posted By CPDay

I store my SL550 in a remote, unheated, New...

I store my SL550 in a remote, unheated, New England garage for up to 5 months every winter season. I use Flatstoppers for the tires and a CTEK smart charger for the convenience AGM battery. I have...
11-12-2018, 05:11 AM
Replies: 21
Views: 1,334
Posted By CPDay

The airbag misfire may be the most dramatic...

The airbag misfire may be the most dramatic example, but there are many, many other ways to damage your Mercedes with SDS. It is a good idea to proceed carefully (I do) and be fluent in German (I...
11-11-2018, 05:53 PM
Replies: 21
Views: 1,334
Posted By CPDay

I just want to add my own experience with a clone...

I just want to add my own experience with a clone SDS packaged with Xentry, WIS, etc, on a preconfigured Dell laptop. I bought it in 2015 for about $600 and have used it on both of my Mercedes.

I...
11-04-2018, 12:54 PM
Replies: 11
Views: 831
Posted By CPDay

No matter what you intend to do, you should...

No matter what you intend to do, you should always keep all of your receipts for parts, fuel, fluids, filters, labor, and keep them organized. Then you can use them or not, depending on the...
11-02-2018, 01:30 PM
Replies: 12
Views: 1,972
Posted By CPDay

Smile I should conclude this thread with a simple...

I should conclude this thread with a simple summary: My 2008 SL550 suffered a serious ABC failure on the road. The fluid leaked rapidly and evidence pointed to a serious leak in the hydraulic lines...
10-28-2018, 12:16 PM
Replies: 13
Views: 3,556
Posted By CPDay

Well, that is reassuring!:)

Well, that is reassuring!:)
10-27-2018, 01:57 PM
Replies: 13
Views: 3,556
Posted By CPDay

Great photo and explanation! I recently...

Great photo and explanation!

I recently replaced my 2008 SL550 pulsation damper by removing the top front mount bolt and the just loosening the lower bolt. Removing both front bolts on the ABC...
10-21-2018, 08:15 PM
Replies: 12
Views: 1,972
Posted By CPDay

I always say: Trust, but verify.

I always say: Trust, but verify.
10-20-2018, 10:06 PM
Replies: 12
Views: 1,972
Posted By CPDay

Rudeney, did you really know that off-hand? I...

Rudeney, did you really know that off-hand? I accept that you are a guru. I only ask because it is very important. :)
10-20-2018, 02:54 PM
Replies: 12
Views: 1,972
Posted By CPDay

I picked up the new Pulsation Dampener/Damper...

I picked up the new Pulsation Dampener/Damper this morning, took it home, and spun it down in place on the ABC pump. Then I stopped and thought "What torque should I tighten it to?" This could be a...
10-20-2018, 01:33 PM
Replies: 13
Views: 3,556
Posted By CPDay

I removed my Pulsation Damper/Dampener without...

I removed my Pulsation Damper/Dampener without needing to loosen anything on the back (i.e, the side opposite of the pulley) of the ABC pump. I removed the top front mount bolt and loosened the...
10-09-2018, 02:59 PM
Replies: 13
Views: 3,556
Posted By CPDay

Thank you. A good suggestion, but first I am...

Thank you. A good suggestion, but first I am pursuing another one: A failed seal on the pulsation dampener (see: ABC Pulsation Dampener Leaking?...
10-09-2018, 01:32 PM
Replies: 12
Views: 1,972
Posted By CPDay

That sounds right. A faulty seal would certainly...

That sounds right. A faulty seal would certainly produce this kind of leak. It looks like I'll be following the advice of replacing the pulsation dampener and seals.

Do you have a good source for...
10-09-2018, 01:12 PM
Replies: 12
Views: 1,972
Posted By CPDay

Thanks for your quick reply! I should have been...

Thanks for your quick reply! I should have been clearer in my description of the noise. It was occuring after an initial start, while the engine was running. It lasted just a few seconds and was a...
10-09-2018, 08:09 AM
Replies: 13
Views: 3,556
Posted By CPDay

I am about to undertake the same operation...

I am about to undertake the same operation (replacing pulsation dampener) on my 2008 R230. I posted my story of ABC failure yesterday in this forum (see ABC Pulsation Dampener Leaking?...
10-08-2018, 07:16 PM
Replies: 12
Views: 1,972
Posted By CPDay

Question ABC Pulsation Dampener Leaking?

I need some advice. My 2008 SL550 only has 31K miles on the odometer (Yeah, I don't drive it enough!) In recent months it started to show some disturbing symptoms of trouble in the ABC system. At...
08-11-2016, 10:01 PM
Replies: 15
Views: 1,695
Posted By CPDay

Well, OK...

Perhaps this technician needs to listen a little more. There are plenty of first-hand stories right here on these forums.
08-06-2016, 05:11 PM
Replies: 15
Views: 1,695
Posted By CPDay

Jump Starting Can Cause Big Headaches

Jump starting can blow the fuses located in your 'Pass-Through Plating' located under the passenger floor. If any damage was done, it will likely show up as the 'Red Battery Icon' display on your...
02-15-2016, 10:24 AM
Replies: 86
Views: 44,951
Posted By CPDay

djbadeaux: Anytime I can help someone avoid the...

djbadeaux: Anytime I can help someone avoid the MB dealer service ripoff, I am ecstatic! For an electrical problem like this, all it takes is for someone to invest the time to understand the...
01-09-2016, 08:42 AM
Replies: 23
Views: 4,478
Posted By CPDay

Well, at least you now have a nice new CTEK...

Well, at least you now have a nice new CTEK charger.
01-06-2016, 10:00 PM
Replies: 2
Views: 4,110
Posted By CPDay

Last August I replaced the original Varta starter...

Last August I replaced the original Varta starter battery in my 2008 SL550 and ran into the same sticker confusion. Clearly, numbers indicated the voltage, CCA, Ahrs, but no date of manufacture. ...
01-05-2016, 09:58 PM
Replies: 23
Views: 4,478
Posted By CPDay

Still not understanding

So the DC/DC converter is active when the car (and alternator) is off?
01-05-2016, 09:10 AM
Replies: 23
Views: 4,478
Posted By CPDay

I was perhaps not clear

Perhaps I wasn't very clear in my comments. I didn't say that the alternator doesn't charge the starter (front) battery under normal conditions. Obviously, it does. N82/1 monitors both battery...
01-04-2016, 08:25 AM
Replies: 23
Views: 4,478
Posted By CPDay

Not Necessarily

I've heard this statement from several 230 SL owners over the years. I don't believe that this is true in non-emergency circumstances. A trickle charge cannot flow from the accessories battery to...
12-31-2015, 10:06 PM
Replies: 23
Views: 4,478
Posted By CPDay

CTEK 3300 All the Way

I have a couple of the CTEK 3300's and greatly appreciate their intelligence. On my SL, I annually hook a CTEK up to the accessory (i.e trunk) battery for the 5-month winter storage. Both of my...
12-08-2015, 11:21 AM
Replies: 86
Views: 44,951
Posted By CPDay

Bill Morrow- That wasn't a dumb question. I...

Bill Morrow-
That wasn't a dumb question. I was hoping to learn the correct answer. My GUESS is that the 'Initial Values' might be the pre-programmed voltage levels that determine the power...
12-05-2015, 05:02 PM
Replies: 86
Views: 44,951
Posted By CPDay

Your SL sounds like a great buy, in any case. ...

Your SL sounds like a great buy, in any case.

If you tested each removed fuse, then I hope it's not the N82/1 box (often called the battery management module) at fault. If so, that is an easily...
12-05-2015, 07:21 AM
Replies: 86
Views: 44,951
Posted By CPDay

Good luck. That fuse can be about the cheapest...

Good luck. That fuse can be about the cheapest part you'll ever replace on your SL. I hope the msgs here help you.

For the record, do you know what initially caused your red battery light to come...
12-03-2015, 09:23 PM
Replies: 6
Views: 2,276
Posted By CPDay

It might possibly be tire flat-spotting. I...

It might possibly be tire flat-spotting. I experienced a similar problem after parking my SL550 for several weeks. It was very annoying, usually becoming apparent at about 55-65 mph. It very...
12-03-2015, 03:47 PM
Replies: 86
Views: 44,951
Posted By CPDay

I just saw at your link the SDconnect + Dell...

I just saw at your link the SDconnect + Dell selling now for $649. Should I grab it?
12-03-2015, 03:32 PM
Replies: 86
Views: 44,951
Posted By CPDay

Did I see a 'G1 (system battery) defective'...

Did I see a 'G1 (system battery) defective' message? Unless the trunk battery is bad, it makes me suspect the F52f1 or F52f2 fuse again. They're $3.00 parts. I know they are a pain to access,...
12-03-2015, 03:03 PM
Replies: 86
Views: 44,951
Posted By CPDay

Wow! That's great! So I guess the WiFi...

Wow! That's great! So I guess the WiFi communication between the SDconnect and the laptop is a 'semi-documented' feature. Whatever works...

Now please tell us: What did it tell you about your...
12-02-2015, 03:01 PM
Replies: 86
Views: 44,951
Posted By CPDay

Now I am waiting to hear about your experience...

Now I am waiting to hear about your experience before actually clicking on the 'Buy Now' button. The refurbed Dell seems to me like a potentially weak part of the plan.

Isn't the Dell made...
11-26-2015, 10:37 AM
Replies: 86
Views: 44,951
Posted By CPDay

Bill Morrow - Please share your experience with...

Bill Morrow - Please share your experience with the Star diagnostic system, both the purchase and the use. I am about to do the same.
11-26-2015, 10:12 AM
Replies: 86
Views: 44,951
Posted By CPDay

My thanks go to Bill Morrow and djbadeaux for...

My thanks go to Bill Morrow and djbadeaux for contributing to this thread. It's not just about the red battery icon, is it? Our bigger issue is the very poor job Mercedes does in documenting their...
11-25-2015, 12:25 PM
Replies: 86
Views: 44,951
Posted By CPDay

Good photo! It's interesting that your F52f2...

Good photo! It's interesting that your F52f2 (the 250amp fuse) has a clear cover. It can be seen that it is not blown.

Unfortunately, F52f1 (the 100amp fuse that was my problem) is underneath...
11-22-2015, 09:38 PM
Replies: 86
Views: 44,951
Posted By CPDay

Bill Morrow-In your situation I might have...

Bill Morrow-In your situation I might have removed and tested both fuses individually. If you look at the schematics, I think that you'll see that all 4 points may be 12.7v from ground even if one...
11-22-2015, 04:18 PM
Replies: 86
Views: 44,951
Posted By CPDay

Bill Morrow- Make sure the speaker wire is...

Bill Morrow-

Make sure the speaker wire is disconnected first.

Once the three nuts holding the subwoofer box are removed, pull the right side of the box off of the threaded stud sticking up...
11-22-2015, 12:55 PM
Replies: 86
Views: 44,951
Posted By CPDay

I Promised More Info. Here It Is:

The trickiest part of replacing the fuse in question (F52f1) is digging through the passenger footwell layers to find it. This is all complicated by the optional Bose subwoofer installation. There...
11-21-2015, 04:41 PM
Replies: 86
Views: 44,951
Posted By CPDay

Here's a link to the source document that...

Here's a link to the source document that answered many questions:...
11-21-2015, 12:52 PM
Replies: 86
Views: 44,951
Posted By CPDay

One thing I learned from this experience is that...

One thing I learned from this experience is that getting to the two fuses in the passenger footwell is a major pain in the neck. It is made much worse by the (largely-undocumented) Bose subwoofer...
11-20-2015, 12:14 PM
Replies: 86
Views: 44,951
Posted By CPDay

Dreaded Red Battery Icon - How I Fixed It

I know that quite a few R230 SL owners have been stymied by the dreaded RED battery icon. I was able to fix the problem without the #*&$ MB dealer service department. Here is my story:

In late...
03-11-2013, 07:54 AM
Replies: 19
Views: 4,092
Posted By CPDay

The STAR manual (Part # P-2700-230-07) can be...

The STAR manual (Part # P-2700-230-07) can be found at:
http://www.startekinfo.com/StarTek/outside/9124/?requestedDocId=9124

I know that there may be lower-cost sources. One small problem is...
03-05-2013, 06:55 AM
Replies: 19
Views: 4,092
Posted By CPDay

Star Manual

I invested in the Star Manual. I even bought a used laptop to keep it handy in the garage. So far, it seems pretty thorough, but it lacks some of the stuff later than 2006, especially regarding the...
03-03-2013, 08:49 PM
Replies: 19
Views: 4,092
Posted By CPDay

Mine is a 2008 SL 550 w/ 20K miles. I bought it...

Mine is a 2008 SL 550 w/ 20K miles. I bought it last August, CPO from a MB dealership. Other than a few minor hiccups, it has been trouble-free.
03-03-2013, 01:13 PM
Replies: 19
Views: 4,092
Posted By CPDay

Similar Problem

Last week the weather in Connecticut was finally right for some top-down driving. No, that would have been too easy. Halfway back to the trunk, the roof just stopped. No amount of pulling back on...
Showing results 1 to 61 of 61


 
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