Auto start/stop not working?
#26
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2021 G550, BMW X5M, 2020 Toyota Supra LE
Are you saying that when “stopped” the vehicle is still circulating oil in the engine? I have never heard of the that.
I guess the G is the exception, every other vehicle I know of stops circulating oil in the engine when the engine isn’t running…. Which, as you know, results in less engine lubrication and more wear on the components.
Last edited by 084runnerltd; 10-29-2021 at 08:11 PM.
#27
Junior Member
I modified the stop/start on my GL63 AMG using this Vediamo & Xentry method. https://mbworld.org/forums/mercedes-...o-dummies.html
It was a little bit challenging to find the Software & DLLs. (I have them if someone needs them)
I spent a full Saturday figuring out how to get it all working. It is so satisfying that I was able to change this annoying feature by myself.
You can purchase a J2534 Pass Thru adapter for under $25
https://www.aliexpress.com/item/32973687689.html
BEFORE:
Basically, all do is change the ECU coding for "Betriebsstrategie_Stopp_Start" setting: From "Stop start only in E, Default ON" to "Stop-Start Standard Logic, Last Mode"
AFTER:
It was a little bit challenging to find the Software & DLLs. (I have them if someone needs them)
I spent a full Saturday figuring out how to get it all working. It is so satisfying that I was able to change this annoying feature by myself.
You can purchase a J2534 Pass Thru adapter for under $25
https://www.aliexpress.com/item/32973687689.html
BEFORE:
Basically, all do is change the ECU coding for "Betriebsstrategie_Stopp_Start" setting: From "Stop start only in E, Default ON" to "Stop-Start Standard Logic, Last Mode"
AFTER:
Last edited by reinarson; 11-24-2021 at 10:22 PM. Reason: fix link
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CaliBenzDriver (01-17-2022),
Surge (11-25-2021)
#30
As I have opined in numerous other threads, the G's owner's manual is useless, filled with errors, inaccuracies, and omissions, lacking fundamental information essential to a car's owner/operator. It does not even reveal the location of the battery, but instead advises you to go to the dealership if you encounter a battery problem (duh!). MB knows that nobody ever RTFMs, and consequently invests no effort to produce anything worth referencing.
My favorite entry is in the index where it states "Fuses - See Fuses".
My favorite entry is in the index where it states "Fuses - See Fuses".
UPDATE: Streborx pointed out that is in the supplemental!
Last edited by Jagdpanzer; 12-27-2021 at 11:19 AM.
#31
Super Member
From my service record, it shows 10 quarts of 5W40 Mercedes oil. 21 G 63
#32
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W463 G550 / C190 GTC //prev: W204 C63 507 / R170
MB 229.61 - Low SPAsh multigrade service engine oils - Mercedes-Benz Specifications for Operating Fluids
Either 0W40 or 5W40.
0W40 better in cold vs 5W40 which is better in warm temperatures
Either 0W40 or 5W40.
0W40 better in cold vs 5W40 which is better in warm temperatures
#33
#34
MB 229.61 - Low SPAsh multigrade service engine oils - Mercedes-Benz Specifications for Operating Fluids
Either 0W40 or 5W40.
0W40 better in cold vs 5W40 which is better in warm temperatures
Either 0W40 or 5W40.
0W40 better in cold vs 5W40 which is better in warm temperatures
#35
MBWorld Fanatic!
The owners manual specs 10 quarts for the M176 and M177 engines (G550 and G63), but my experience is that there must be about 1/2 quart of residual oil that never drains, even with the oil filter replacement. Several online suppliers offer oil change kits that include 9 liters (9.5 quarts), not 10 quarts. In my experience of 3 oil changes, 9.5 quarts is a better number. 10 quarts triggers the excess oil warning on the instrument panel.
Last edited by streborx; 12-27-2021 at 11:02 AM.
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Jagdpanzer (12-27-2021)
#36
The equivalent useless information about oil is in your G63's AMG supplement owners manual (see page 26). (I can PM you a pdf copy if you haven't one.) Then go to https://bevo.mercedes-benz.com/beam.en.html#cb_category and select the engine oil icon, and select the oil spec in the drop-down menu that matches your owners manual spec (for example "229.51"). Then will appear a long list of compliant engine oils that meet the corresponding MB spec, by brand and name (for example, "Mobil 1 ESP x3 0W-40"), and viscosities that are available.
The owners manual specs 10 quarts for the M176 and M177 engines (G550 and G63), but my experience is that there must be about 1/2 quart of residual oil that never drains, even with the oil filter replacement. Several online suppliers offer oil change kits that include 9 liters (9.5 quarts), not 10 quarts. In my experience of 3 oil changes, 9.5 quarts is a better number. 10 quarts triggers the excess oil warning on the instrument panel.
The owners manual specs 10 quarts for the M176 and M177 engines (G550 and G63), but my experience is that there must be about 1/2 quart of residual oil that never drains, even with the oil filter replacement. Several online suppliers offer oil change kits that include 9 liters (9.5 quarts), not 10 quarts. In my experience of 3 oil changes, 9.5 quarts is a better number. 10 quarts triggers the excess oil warning on the instrument panel.
#38
MBWorld Fanatic!
#39
Does this mean the circumscribed arrow "A" is always present on your instrument panel when you start the vehicle (and after warm-up) and leave the mode selector in "comfort"? Does the "A" button adjacent to the ignition start/stop button function to enable/disable the auto start/stop? Or is the only symptom that the engine continues to run (after warm-up) when you brake to a stop?
#40
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2008 E350 (W211 @170K), 2012 ML350 (W166 @119K), 2014 E350 Sport (W212 @96K), 2015 ML350 (W166 @92K)
Does the brake hold feature works? If it does, there is something else in the check list that is failing and it prevents the system from turning the engine off.
If I recall correctly the list is in the manual (at least for the W212 platform )
If I recall correctly the list is in the manual (at least for the W212 platform )
#41
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While OBD-II dongles (Mid-City Engineering) are available to disable ECO Start/Stop, I yanked the connector off the main battery charge current sensor. This permanently disables start/stop, while resulting in no OBD-II codes or CEL indication.
Let us know what the problem is once yours is restored to operating.
#42
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2008 E350 (W211 @170K), 2012 ML350 (W166 @119K), 2014 E350 Sport (W212 @96K), 2015 ML350 (W166 @92K)
- Off
- On --> Default
- Last
#43
MBWorld Fanatic!
#44
There are at least a half dozen (probably more) sensors that feed information to control this "feature", and unless one of them also impacts another mission critical system, no OBD-II code gets thrown. I dislike this start/stop annoyance, and regard it as hazardous. The "A" button in my G has never worked to enable/disable it, but shifting out of comfort mode to sport mode would disable it. But as everyone knows, the mode resets to comfort every time the ignition is cycled.
While OBD-II dongles (Mid-City Engineering) are available to disable ECO Start/Stop, I yanked the connector off the main battery charge current sensor. This permanently disables start/stop, while resulting in no OBD-II codes or CEL indication.
Let us know what the problem is once yours is restored to operating.
While OBD-II dongles (Mid-City Engineering) are available to disable ECO Start/Stop, I yanked the connector off the main battery charge current sensor. This permanently disables start/stop, while resulting in no OBD-II codes or CEL indication.
Let us know what the problem is once yours is restored to operating.
#45
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#46
i drive a decent mix of highway 65% and city 35%.
im surprised the battery "died" that early. My missus drives a BMW M and uses her start/stop frequently. Been 6years, no issues.
#47
MBWorld Fanatic!
Car is at 24months now @60,000km. I believe it stopped working at the 14-15months mark around 35,000km.
i drive a decent mix of highway 65% and city 35%.
im surprised the battery "died" that early. My missus drives a BMW M and uses her start/stop frequently. Been 6years, no issues.
i drive a decent mix of highway 65% and city 35%.
im surprised the battery "died" that early. My missus drives a BMW M and uses her start/stop frequently. Been 6years, no issues.
#48
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2008 E350 (W211 @170K), 2012 ML350 (W166 @119K), 2014 E350 Sport (W212 @96K), 2015 ML350 (W166 @92K)
Even though not a G-Class vehicle, my W212 auxiliary battery failed early as well (20K miles, @40K miles, and @68K miles). I assume the battery that was changed was the auxiliary battery and not the main battery.
There are few threads in the W212 forum trying to figure out why the "smart charging" algorithm tends to intermittently drain the battery, and sometimes "heavily charge" (@30A) the battery. That could account for the "high temperatures" @streborx mentioned.
If you are interested in monitoring the voltage during your driving, you can activate the engineering mode feature before starting the vehicle and see how the charging voltage/amperage fluctuates during your drive. You will be surprised how it behaves.
There are few threads in the W212 forum trying to figure out why the "smart charging" algorithm tends to intermittently drain the battery, and sometimes "heavily charge" (@30A) the battery. That could account for the "high temperatures" @streborx mentioned.
If you are interested in monitoring the voltage during your driving, you can activate the engineering mode feature before starting the vehicle and see how the charging voltage/amperage fluctuates during your drive. You will be surprised how it behaves.
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CaliBenzDriver (01-29-2022)
#49
MBWorld Fanatic!
Even though not a G-Class vehicle, my W212 auxiliary battery failed early as well (20K miles, @40K miles, and @68K miles). I assume the battery that was changed was the auxiliary battery and not the main battery.
There are few threads in the W212 forum trying to figure out why the "smart charging" algorithm tends to intermittently drain the battery, and sometimes "heavily charge" (@30A) the battery. That could account for the "high temperatures" @streborx mentioned.
If you are interested in monitoring the voltage during your driving, you can activate the engineering mode feature before starting the vehicle and see how the charging voltage/amperage fluctuates during your drive. You will be surprised how it behaves.
There are few threads in the W212 forum trying to figure out why the "smart charging" algorithm tends to intermittently drain the battery, and sometimes "heavily charge" (@30A) the battery. That could account for the "high temperatures" @streborx mentioned.
If you are interested in monitoring the voltage during your driving, you can activate the engineering mode feature before starting the vehicle and see how the charging voltage/amperage fluctuates during your drive. You will be surprised how it behaves.
The aux batteries in MBs are small capacity -- less than 20Ahr (I think) -- and shoving 30A of charging current into one would be an abnormally aggressive charge rate.
#50
Correcting my earlier statement. Car is at 24months now @29,000km+. I believe it stopped working at the 14-15months mark around 15,000km. So the battery "died" or meet the requirement to satisfy start/stop much earlier.