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Diff Lock overheat message

 
Old 02-12-2018, 04:02 AM
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Diff Lock overheat message

I get the message ''Diff Lock overheated'' usually after mild wheel spin on acceleration. I very much doubt it is actually overheating as it can occur from a cold start. This message has only started appearing in the last 2 months and first became apparent the day after I changed a rear wheel speed sensor which was also the fist time I ever drove in the car in snow. While the message is on the diff lock control is disabled. It comes back on within a minute. I have tested the diff lock by selecting the different modes on the control and it seems to work ok. There is no unusual transmission noise. I have cleared fault codes using icarsoft tool. The message doesn't really cause me a problems, but I'd like to get to the bottom of it. Any Ideas?
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Old 11-01-2018, 11:06 AM
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GL320 CDI 52K MILES BRABUS FACTORY REMAP
GL diff message

Originally Posted by Andy Turner View Post
I get the message ''Diff Lock overheated'' usually after mild wheel spin on acceleration. I very much doubt it is actually overheating as it can occur from a cold start. This message has only started appearing in the last 2 months and first became apparent the day after I changed a rear wheel speed sensor which was also the fist time I ever drove in the car in snow. While the message is on the diff lock control is disabled. It comes back on within a minute. I have tested the diff lock by selecting the different modes on the control and it seems to work ok. There is no unusual transmission noise. I have cleared fault codes using icarsoft tool. The message doesn't really cause me a problems, but I'd like to get to the bottom of it. Any Ideas?

Hi mate

I'm having exactly that same issue. Only every now and then after a rough road or pothole. Sometimes after driving in the wet with a mild wheelspin.

Did you find the answer?

cheers

James
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Old 11-01-2018, 03:32 PM
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Originally Posted by James Serridge View Post
Hi mate

I'm having exactly that same issue. Only every now and then after a rough road or pothole. Sometimes after driving in the wet with a mild wheelspin.

Did you find the answer?

cheers

James
Hi James,
you are the first reply. I still don't have the answer. I changed both diff fluids, nothing changed. Slightest wheel spin causes the message. Not really a problem just annoying.
Andy
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Old 02-07-2019, 08:07 PM
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Originally Posted by Andy Turner View Post
I get the message ''Diff Lock overheated'' usually after mild wheel spin on acceleration. I very much doubt it is actually overheating as it can occur from a cold start. This message has only started appearing in the last 2 months and first became apparent the day after I changed a rear wheel speed sensor which was also the fist time I ever drove in the car in snow. While the message is on the diff lock control is disabled. It comes back on within a minute. I have tested the diff lock by selecting the different modes on the control and it seems to work ok. There is no unusual transmission noise. I have cleared fault codes using icarsoft tool. The message doesn't really cause me a problems, but I'd like to get to the bottom of it. Any Ideas?
Hi mate I've solved the problem. I'm username James serridge but cant login to that account. Change all 4 wheel sensors to upgraded ones. Must be merc parts. It has cured the diff message and hillstart assist . James
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Old 02-09-2019, 03:15 PM
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Originally Posted by Jimbo1234 View Post
Hi mate I've solved the problem. I'm username James serridge but cant login to that account. Change all 4 wheel sensors to upgraded ones. Must be merc parts. It has cured the diff message and hillstart assist . James
Hi James,
Thanks for the promising reply. Firstly what made you buy 4 genuine sensors as they are very expensive, why did you think this might help? What are upgraded sensors? Did it solve any other issues. I don't want to spend 500 on sensors in case it doesn't cure my problems. Are you able to offer more reassurance.
Cheers, Andy
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Old 02-09-2019, 03:56 PM
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Hi Andy.

If you're having diff overheat message and hill start that jams on as you start pulling away its definitely the sensors. My car was at the main dealer and the master tech was taking care of it. He knew the solution straight away. He mentioned 4 updated or upgraded sensors and he reset something. Paid for by third party warranty company called motoreasy. They also replaced a mirror that was folding in too slowly .
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Old 02-09-2019, 05:13 PM
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Originally Posted by Jimbo1234 View Post
Hi Andy.

If you're having diff overheat message and hill start that jams on as you start pulling away its definitely the sensors. My car was at the main dealer and the master tech was taking care of it. He knew the solution straight away. He mentioned 4 updated or upgraded sensors and he reset something. Paid for by third party warranty company called motoreasy. They also replaced a mirror that was folding in too slowly .
Thanks James, sounds convincing. I'll look into the updated sensors. Andy
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