What do you need to know about Mercedes Benz ECU unit?
You can read OBD codes as described but benz techs use a mercedes -proprietary unit called a Hand Held Tester or HHT plugged into a big circular connector near the ecu for many diagnostic and repair functions. It is more capable that the somewhat generic government-mandated OBD port.
Why is my Mercedes SLK 230 not working?
A non-functioning blower can be a root cause. With the ignition switched on, this fan is audible, and airflow should be felt with the control module’s cover removed. Visual inspection of the K40 might reveal a correctable flaw.
Where are the fuses on a Mercedes Benz SLK?
Fuse box diagram (fuse layout), location, and assignment of fuses Mercedes-Benz SLK (R170) (SLK 200, SLK 230, SLK 320 and SLK 32 AMG) (1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004). The fuses in your vehicle serve to close down faulty circuits. If a fuse blows, all the components on the circuit and their functions stop operating.
How can I repair my Mercedes SLK 230 overload protection relay?
A brass clip (green arrow) keeps the K40 in place. Pressing it outward sets the K40 free. Pull the plugs off the K40 and remove it from the car. A skinny flathead screwdriver can be used to pry the relay board out of the case. Check the relay side of the board for obvious problems: charred or loose connections, etc.
What to do if you have a Mercedes Benz ECU problem?
RETURN POLICY MERCEDES BENZ ECU / ECM QUESTIONS AND ANSWERS If you are having a problem with your Mercedes Benz and you think it may be related to the ECU, feel free to post your question here and one of our technicians will respond within 24 hours. Include your email if you want a response by email.
Can a Mercedes 300SL have a bad ECU?
The vehicle is actually a 300sl but there was no option to choose from. I was wondering if the crankshaft sensor andcam sensor were replaced and code 17 (open or bad crank sensor) cleared but comes right back after the engine is started a sign of a bad ECU? The vehicle starts and runs but mises a lot when accelerated.
When to replace the ECM in a Mercedes Benz?
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. Copyright © 2012 Mercedesecm.com – All rights reserved – Privacy Policy
What does code 17 mean on Mercedes Benz ECU?
I was wondering if the crankshaft sensor andcam sensor were replaced and code 17 (open or bad crank sensor) cleared but comes right back after the engine is started a sign of a bad ECU? The vehicle starts and runs but mises a lot when accelerated. Thank you for your time, Mike