What causes a transmission leak in a Mercedes?
If you have the 722.6 transmission they have a common leak that if it is not fixed your car might go in LIMP Mode and even damage the Transmission Control Module. The common leak is caused by an aging O-ring that is very inexpensive compare to replacing the whole transmission.
Are there any problems with Mercedes Benz W164?
Wear to the timing chain can also occur. When changing the filter, inspect the base of the housing that connects to the block for leaks. Also, inspect the oil cooler connections that are next to the oil filter for leaks. A lot of 2006-’07 model year Mercedes-Benz W164s came with M272 and 273 engines.
Is there rust on my Mercedes Benz W164?
On older W164 SUVs in the salt belt states, rust is starting to eat away at the doors and wheel arches. Mercedes-Benz vehicles are not immune to rust and corrosion of the brake lines. The most common area for corrosion is above the fuel tank.
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.
If you have the 722.6 transmission they have a common leak that if it is not fixed your car might go in LIMP Mode and even damage the Transmission Control Module. The common leak is caused by an aging O-ring that is very inexpensive compare to replacing the whole transmission.
Wear to the timing chain can also occur. When changing the filter, inspect the base of the housing that connects to the block for leaks. Also, inspect the oil cooler connections that are next to the oil filter for leaks. A lot of 2006-’07 model year Mercedes-Benz W164s came with M272 and 273 engines.
What causes oil cooler leak in Mercedes OM642?
Pre-2010 OM642 engines were susceptible to oil cooler leaks due to heat-related seal degradation. In 2010, Mercedes-Benz introduced more durable Viton seals which could be identified by their purple colour (the previously used seals were orange).
On older W164 SUVs in the salt belt states, rust is starting to eat away at the doors and wheel arches. Mercedes-Benz vehicles are not immune to rust and corrosion of the brake lines. The most common area for corrosion is above the fuel tank.
Where does the oil leak on a Mercedes Benz come from?
M273 – V8 used from 2006-2014, E-Class, SL, S-Class, CLS, G-Wagen, ML, GL, R-Class 272/273 Engines: The most likely rear engine leaks include the oil separator and the cam plugs ( 30mm and 65mm ). The oil separator is held onto the back of bank 1 (passenger side) with either 4 torx bolts or 4 external torx bolts.
Where is the oil separator on a Mercedes Benz?
The oil separator is held onto the back of bank 1 (passenger side) with either 4 torx bolts or 4 external torx bolts. Remove the oil separator, replace, and clean the oil residue from the engine. Depending on the model, there are usually two 30mm and one 65mm plug located on the back of the engine on both sides.
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 to reset transmission adaptive shifting in Mercedes Benz?
If you race your Mercedes-Benz, it will remember that and keep the gearbox in gear longer. If you drive it gently, it will adapt to that as well and change gears earlier. Turn the key to position 2. You should see all the dash lights come on. Do NOT start the car.
What happens when a Mercedes Benz goes into limp mode?
When a Mercedes-Benz goes into limp mode, it only operates in second gear and reverse only. When you put it in gear, you may also feel a bang as transmission engages. The first thing you should try is to check the transmission fluid level. The transmission has a dipstick tube but with no dipstick in it.
Are there any problems with the Mercedes transmission?
Including Engine, Transmission, ABS, Airbag, SRS, SBC Brakes, ESP, EPS, Air Suspension and more. In depth troubleshooting, but only works on MB cars. 2. Launch Creader X431 VII works in European, Asian and Domestic Cars.
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.
If you race your Mercedes-Benz, it will remember that and keep the gearbox in gear longer. If you drive it gently, it will adapt to that as well and change gears earlier. Turn the key to position 2. You should see all the dash lights come on. Do NOT start the car.
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.
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.
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.
When a Mercedes-Benz goes into limp mode, it only operates in second gear and reverse only. When you put it in gear, you may also feel a bang as transmission engages. The first thing you should try is to check the transmission fluid level. The transmission has a dipstick tube but with no dipstick in it.
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.