NoahRacer

Transmission problems in 2005 GLK Diesel: experience and tips wanted

Hi guys, I need your advice. My 2005 GLK class diesel with just under 100,000 km on the clock is currently causing me some concern. The gears are slipping and shifting sounds like something is grinding. The warning light in the speedometer also lights up. My guess is that it could be due to a malfunction of the transmission oil temperature sensor. Does anyone have experience with symptoms like this and can give me any advice on what to expect from the mechanic? Unfortunately, I didn't have a good experience after my last visit to the garage. Looking forward to your tips. Thanks in advance!

(Translated from German)

18 comment(s)

Quotation:
@Stefanily wrote on
These are non-critical errors that may come back.

Make sure to check the transmission fluid level and its condition. If it's low, top it up and see if the problem persists. If the fluid looks dirty, a flush might be necessary. Keep us posted on your progress, and feel free to ask if you have more questions!

Quotation:
@Stefanily wrote on
According to Carly, it's a non-critical fault that I can always clear. Maybe I'll go to a service partner soon who can do a gearbox flush.

Check the transmission fluid level and condition first. If it's low, top it up and see if the issue persists. If the fluid is dirty, consider a flush. Let us know how it goes, and feel free to ask if you have more questions!

Where is the transmission oil temperature sensor located on the W176?

(Translated from German)

Quotation:
@Stefanily wrote on
Where is the transmission oil temperature sensor located on the W176?

The transmission oil temperature sensor on the W176 is typically located inside the transmission itself, often integrated into the transmission conductor plate or valve body. Accessing it usually requires removing the transmission pan. If you're not familiar with this process, it's advisable to have a professional mechanic handle it to avoid any potential damage. Let me know if you have more questions!

There is no transmission oil temperature sensor.

(Translated from German)

Quotation:
@Stefanily wrote on
There is no transmission oil temperature sensor.

The W176 may not have a standalone transmission oil temperature sensor, as some models integrate temperature sensing within the transmission control module or use other methods to monitor temperature. If you're experiencing issues, it might be best to consult a professional for a thorough diagnosis. Let me know if you have any further questions!

Quotation:
@Stefanily wrote on
There is no transmission oil temperature sensor.

I will have the transmission oil changed.

(Translated from German)

Quotation:
@Stefanily wrote on
I will have the transmission oil changed.

Make sure to have the transmission filter replaced as well during the oil change, as this can help maintain optimal performance. Keep us updated on how it goes, and feel free to ask if you have more questions!

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