Where is the Transmission Control Unit in a Mercedes?
The fully integrated transmission control (VGS) control unit is installed in the oil pan of the automatic transmission. By being bathed in transmission oil, the control unit is constantly kept cool. Automatic transmission 722.649 is an electronically controlled 5-speed automatic transmission with a lockup clutch in the torque converter.
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
How many gears does a Mercedes Benz have?
The transmission has 7 forward gears and 2 shifted reverse gears. The fully integrated transmission control (VGS) control unit is installed in the oil pan of the automatic transmission. By being bathed in transmission oil, the control unit is constantly kept cool.
Where is the etc support located on a Mercedes?
The support is bolted onto the shift plate. The ETC [EGS] control unit (N15/3) with the 5- speed automatic transmission 722.649 is installed only in combination with engine 275.
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.
Which is Mercedes Benz engine control unit to replace?
Some of the most popular ecm’s we sell are 2000, 2002, 2003 and 2004 C class and 2005 E320 models. The 2007 S550 ecu is also a popular item. Part number A2731535079 and A2731535679 are both popular S550 replacements. Call us if you have any questions.
What to do if you have a Mercedes transmission problem?
An advanced diagnostic scanner such as the iCarsoft or the Launch Creader listed here are a must for do-it-yourself Mercedes-Benz repair. They are affordable and can access most of the systems on your Mercedes-Benz including Airbag, EPS, ETS, Transmission, Engine, front and rear SAM, SRS, brakes and a lot more. 3.
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.
Where is the intelligent servo module located on a Mercedes?
The intelligent servo module (ISM) for DIRECT SELECT (A80) is mounted on the left side of the automatic transmission in the direction of travel. It allows the system to read the selected drive position via electrical signals and to engage the drive position via a mechanical interface on the transmission.
How does etc [ EGS ] work in a Mercedes?
The ETC [EGS] control unit (N15/3) with the 5- speed automatic transmission 722.649 is installed only in combination with engine 275. In the new CL-Class the drive position command is transmitted via the operating lever of the DIRECT SELECT gear selector switch over an electrical link to the automatic transmission.
What is the shift selector module on a Mercedes Benz?
The shift selector module is an electronic shift or transmission range switch. It is monitored by the transmission control module, reporting the current gear, gear change requests and park or neutral.
What happens when a Mercedes transmission module fails?
When it fails it can cause the transmission to miss shifts, remain in neutral or prevent the vehicle from starting (when park or neutral isn’t seen). There are many fault codes associated with the module when it fails, so be sure to use a Mercedes-Benz scan tool to query the control module.
Where is the Transmission Control Module located in a car?
It’s also important to factor in the amount of time it could take to replace the module because some imported parts can take 2 to 4 weeks to arrive. While swapping out a box might seem simple, the TCM is located inside the transmission in many modern cars, trucks, and SUVs.