AIRMATIC Calibration
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Junior Member
Joined: Aug 2023
Posts: 27
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From: Reno
GLE550e
AIRMATIC Calibration
2018 GLE 550e 4MATIC Plug-in Hybrid with AIRMATIC suspension.
I occasionally find my wife's GLE550e not level and leaning towards the left rear wheel. The AIRMATIC system has no sensor error codes and no leaks. I have a computer with the calibration option. What are the calibration values for GLE class W166 with AIRMATIC? Do you have any advice or instructions for doing it correctly?
Thanks
I occasionally find my wife's GLE550e not level and leaning towards the left rear wheel. The AIRMATIC system has no sensor error codes and no leaks. I have a computer with the calibration option. What are the calibration values for GLE class W166 with AIRMATIC? Do you have any advice or instructions for doing it correctly?
Thanks
Member
Joined: Jun 2024
Posts: 191
Likes: 58
E320
The issue with your GLE550e leaning towards the left rear wheel could stem from several factors within the AIRMATIC system. Even in the absence of sensor error codes and leaks, the air springs themselves might have uneven wear or inconsistencies that affect leveling. Additionally, the height adjustment sensors specific to the left rear could be malfunctioning or providing inaccurate readings, causing the system to misbalance. Another possibility is a malfunction in the air suspension control module, which might not be properly communicating with the vehicle's central computer, leading to incorrect calibration despite no visible error codes. There should be fault codes on at least one or more control modules related to this issue. You’ll either need to take it to a mechanic, or if you want to figure this out yourself, get a full system scanner. the youcanic full system scanner is very good at diagnosing all systems, but there are other scan tools that can do this as well. Just be careful to use a full system scanner, or you may scan the car and see no fault codes since some scanners can’t read all vehicle systems.
Thread Starter
Junior Member
Joined: Aug 2023
Posts: 27
Likes: 4
From: Reno
GLE550e
The issue with your GLE550e leaning towards the left rear wheel could stem from several factors within the AIRMATIC system. Even in the absence of sensor error codes and leaks, the air springs themselves might have uneven wear or inconsistencies that affect leveling. Additionally, the height adjustment sensors specific to the left rear could be malfunctioning or providing inaccurate readings, causing the system to misbalance. Another possibility is a malfunction in the air suspension control module, which might not be properly communicating with the vehicle's central computer, leading to incorrect calibration despite no visible error codes. There should be fault codes on at least one or more control modules related to this issue. You’ll either need to take it to a mechanic, or if you want to figure this out yourself, get a full system scanner. the youcanic full system scanner is very good at diagnosing all systems, but there are other scan tools that can do this as well. Just be careful to use a full system scanner, or you may scan the car and see no fault codes since some scanners can’t read all vehicle systems.
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Joined: Jan 2014
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From: Republic of Texas
'99 and '05 E55 AMG
Thanks for the response. I have the FOXWELL NT710 OBD2 Scanner https://www.amazon.com/gp/product/B0CHYGP6YB . Just looking for advice on what steps to take for the calibration process. Any youtube videos I've seen seem to have different angle values depending on model.
Thread Starter
Junior Member
Joined: Aug 2023
Posts: 27
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From: Reno
GLE550e
Following up on this:
I tried the calibration a few times and could not improve the situation. My understanding is that you need an alignment rack with free float plates and an electronic inclinometer to adjust the suspension properly.
I took it in to the dealer and they said the rear bags are in bad shape on both sides and should be replaced. $2800 for rear left and right.
The car is only 6 years old with 40k, which doesn't seem like a reasonable replacement interval for such an expensive system.
I tried the calibration a few times and could not improve the situation. My understanding is that you need an alignment rack with free float plates and an electronic inclinometer to adjust the suspension properly.
I took it in to the dealer and they said the rear bags are in bad shape on both sides and should be replaced. $2800 for rear left and right.
The car is only 6 years old with 40k, which doesn't seem like a reasonable replacement interval for such an expensive system.
Junior Member
Joined: Nov 2021
Posts: 23
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From: Toronto
GLE 400
It’s not just the mileage—age is also a significant factor, as the rubber components can deteriorate over time. I experienced a similar issue with my 2018 model at 80,000 km, where both rear air bags developed very fine leaks and had to be replaced.
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From: Reno
GLE550e
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