What to do if your Mercedes transmission is leaking oil?
Before you spend hundreds of dollars on a new valve body (will talk more about the valve body in the next step) replace the Mercedes Transmission 13-Pin Connector Adapter Plug + O-rings. The O-ring plug leaks oil and disrupts the communication between the TCU and the valve body. The O-ring is very easy to replace.
What are the most common Mercedes Benz transmission problems?
Top 5 Mercedes-Benz Transmission Problems. Won’t come out of Park gear due to a defective brake light switch. ( DIY How to replace the Brake Light Switch) Continue to read if you would like to learn how to troubleshoot your Mercedes-Benz transmission yourself and where you should start. 1. Check Fluid Level
Do you need dipstick to check Mercedes transmission?
The car doesn’t come with a dipstick to check the transmission level but you can order one online for under $20. You will need Dipstick Tool for 722.6 722.9 Mercedes-Benz Transmission for measuring fluid level. Watch the video below to learn how to check the transmission fluid level on your Mercedes-Benz.
Where are the transmission codes stored in a Mercedes?
Specific codes related to the transmission are stored in the TCU (Transmission Control Unit) and come generic codes such as P0705 are stored in ECU (Engine Control Unit). You don’t need to pay anyone to read the codes; you can retrieve them yourself in a couple of minutes with the right OBD II scanner.
Before you spend hundreds of dollars on a new valve body (will talk more about the valve body in the next step) replace the Mercedes Transmission 13-Pin Connector Adapter Plug + O-rings. The O-ring plug leaks oil and disrupts the communication between the TCU and the valve body. The O-ring is very easy to replace.
Top 5 Mercedes-Benz Transmission Problems. Won’t come out of Park gear due to a defective brake light switch. ( DIY How to replace the Brake Light Switch) Continue to read if you would like to learn how to troubleshoot your Mercedes-Benz transmission yourself and where you should start. 1. Check Fluid Level
The car doesn’t come with a dipstick to check the transmission level but you can order one online for under $20. You will need Dipstick Tool for 722.6 722.9 Mercedes-Benz Transmission for measuring fluid level. Watch the video below to learn how to check the transmission fluid level on your Mercedes-Benz.
Specific codes related to the transmission are stored in the TCU (Transmission Control Unit) and come generic codes such as P0705 are stored in ECU (Engine Control Unit). You don’t need to pay anyone to read the codes; you can retrieve them yourself in a couple of minutes with the right OBD II scanner.
Why is my Mercedes-Benz transmission not shifting?
If cracks develop between the two chambers, coolant will mix with transmission oil and it will destroy the transmission. This has been a well-documented issue for Mercedes-Benz cars equipped with the Valeo radiators.
What to do if your transmission is stuck in gear?
If your transmission is stuck in gear and you are far away from home, try this: 1 Pull over and turn the car off. Remove the key. 2 Do not press the gas pedal or any other buttons on the car. 3 Wait 20 seconds. 4 Start the car and drive to see if it is out of limp mode.
Is the Mercedes 722.9 7G transmission has no oil dipstick?
Error code 2768 – The component Y3 / 8n2 (Internal speed sensor (VGS)) is defective. The 722.9 7G transmission has no oil dipstick. It doesn’t have a dipstick tube either therefore you will not be able to use the Mercedes 722.6 Transmission Fluid Dipstick Tool.
Can a Mercedes-Benz have a transmission failure?
Very few Mercedes-Benz cars have had complete transmission failure and require transmission replacement. We see these transmission fail in rare cases when water enters the transmission via the oil cooling lines or the radiator on cars equipped with Valeo radiators.
How to check the transmission oil level in a Mercedes?
Don’t spend money on anything, even transmission diagnosis before you check the transmission oil level. To check the transmission fluid level in a Mercedes Benz you will need a special transmission dipstick. Mercedes Benz cars don’t come with a transmission dipstick.
How to add Mercedes Benz approved automatic transmission fluid?
You want to add the Mercedes Benz Approved Automatic Transmission Fluid 236.14 for use with the 5-Speed 722.6 & 7-Speed 722.9 Transmission. Mercedes part# 001 989 68 03 13 Check the level again. You want to double check the fluid level. If you have to added fluid then you must check the level again.
When to know if your transmission fluid is low?
If you notice that you’re having difficulty shifting to a different gear, then a low level of fluid could be slowing down this function in the transmission. It is best to have this checked out anytime you feel shifting problems as you drive. A transmission fluid leak could occur if any number of components get damaged.
When did Mercedes Benz start using 5 speed transmission?
The 5-speed transmission that was used between 1995 up to 2008 is one of the best transmission ever built. Now let’s see if we can help you troubleshoot your transmission. By continuing to read this article you agree to use this information at your own risk. Top 5 Mercedes-Benz Transmission Problems.
The 5-speed transmission that was used between 1995 up to 2008 is one of the best transmission ever built. Now let’s see if we can help you troubleshoot your transmission. By continuing to read this article you agree to use this information at your own risk. Top 5 Mercedes-Benz Transmission Problems.
How to check the transmission fluid in a Mercedes?
Warm up the car. To measure the transmission fluid correctly the transmission fluid temperature needs to be at least 80 degrees Celsius. To get the transmission to that temperature you will need to drive the car for 15 minutes before you check the fluid.
What causes a common leak in a Mercedes?
The common leak is caused by an aging O-ring that is very inexpensive compare to replacing the whole transmission. We demonstrated on ML Class W163 but W203 and C-CLASS E-CLASS AND S-CLASS Share this transmission even some other models as well. This is NOT a sponsored video. Everything is purchased by us!
The common leak is caused by an aging O-ring that is very inexpensive compare to replacing the whole transmission. We demonstrated on ML Class W163 but W203 and C-CLASS E-CLASS AND S-CLASS Share this transmission even some other models as well. This is NOT a sponsored video. Everything is purchased by us!
Very few Mercedes-Benz cars have had complete transmission failure and require transmission replacement. We see these transmission fail in rare cases when water enters the transmission via the oil cooling lines or the radiator on cars equipped with Valeo radiators.
Is it easy to change the oil on a Mercedes SL Class?
Changing the oil is easy when you follow these simple steps. Bleeding brakes can be tricky. Here are some tips to make the job easier. The brake master cylinder sometimes get old and wears out. If your brakes are feeling spongy, then you might need to overhaul your system, which includes replacement of the master cylinder.
What to do when your transmission is stuck in limp mode?
The majority of the time, the problem is not as grave as you may think. If your transmission is stuck in gear and you are far away from home, try this: Pull over and turn the car off. Remove the key. Do not press the gas pedal or any other buttons on the car. Wait 20 seconds. Start the car and drive to see if it is out of limp mode.
Is the 4L80 transmission leaking by wire harness?
Done a few things with the 4L80 but have not had one all the way apart as yet. Basically a Th400 with some extra parts for the OD and of course the electronic shift controls and pressure controls. If the leak is not too bad, next summer will probably be fine for the repairs. Here is the internal wiring harness.
Why is my transmission leaking through wire harness?
The assembly snaps into the case and the 3 prongs “latch” it in place. The possibilities are Two (2) either the O ring on the Bulkhead is bad or the plastic bulkhead itself is leaking past a connector or maybe cracked.
Why did I replace the conductor plate on my Mercedes?
Replaced the conductor plate because of a bad shift solenoid. Also replaced the plug on passenger side because I had the dreaded fluid leak all the way to the TCM under the hood on passenger. Cleaned that as well and no more fluid to date.
Where does the wire go in a transmission?
There is an electrical plug/bulkhead that goes through the case. A bundle of wires plug into the inside and then the plug goes into the unit from the outside. The bulkhead fitting has an O ring on it where it goes though the case.
If your transmission is stuck in gear and you are far away from home, try this: 1 Pull over and turn the car off. Remove the key. 2 Do not press the gas pedal or any other buttons on the car. 3 Wait 20 seconds. 4 Start the car and drive to see if it is out of limp mode.
When does a Mercedes Benz transmission go into limp mode?
Diagnose the transmission as soon as possible. While these are the typical symptoms of a failed valve body or conductor plate, Mercedes-Benz transmission can go into LIMP MODE due to other issues that may not be directly related to the transmission. These transmission problems may start developing as early as 50,000 miles.
Warm up the car. To measure the transmission fluid correctly the transmission fluid temperature needs to be at least 80 degrees Celsius. To get the transmission to that temperature you will need to drive the car for 15 minutes before you check the fluid.
What causes a Mercedes-Benz transmission to fail?
We see these transmission fail in rare cases when water enters the transmission via the oil cooling lines or the radiator on cars equipped with Valeo radiators. The top part of the radiator on your Mercedes-Benz contains the chamber for the engine coolant/antifreeze while the bottom part contains the chamber for the transmission oil cooling.
What kind of transmission does a Mercedes Benz have?
Mercedes-Benz transmissions are very solid, and whole transmission replacement is very rarely needed. The 5-speed transmission that was used between 1995 up to 2008 is one of the best transmission ever built. Now let’s see if we can help you troubleshoot your transmission.