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Lou P.
Lou P., ASE Certified Technician
Category: Transmissions
Satisfied Customers: 3666
Experience:  I Have knowledge in almost all car lines and can help with general questions and more!!!!!
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2007 Mercedes Benz CLS550 with 180,000 miles that has codes

Customer Question

2007 Mercedes Benz CLS550 with 180,000 miles that has codes P0717, P0730, P0128 and P0351. I haven't noticed anything wrong with the transmission or how it runs. What could this be. How do I check the trans. fluid level. Thank you
Submitted: 7 months ago.
Category: Transmissions
Expert:  Lou P. replied 7 months ago.

Hello, can i have your vin to make sure i have the correct transmission. also the p0128 is the thermostat

the p0351 is for ignition coil on cylinder 1

so let me know the vin and i will get you the trans info. :)

Customer: replied 7 months ago.
I will get that to you when I get back home in a few days. Thanks
Expert:  Lou P. replied 7 months ago.

OK no worries :)

i guess i can say that if it is the 5 speed you need a special dipstick.

if it is the 7 speed you have to check it at a certain temp with the vehicle level and you pull the plug from the bottom of the trans pan. BUT it takes a specail tool to fill it . do you know how many speeds your trans is? it should be the 7 but i want to make sure.

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