Slk55 R172 gear change problem - Mercedes Benz SLK Forum

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#1 Old 02-13-2017
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Slk55 R172 gear change problem

So recently I have noticed that when the my slk55 tries to change down 2 gears it doesn't get into gear and I have to manually change down to get it in gear. I don't have any error codes reported. Normal driving, single auto shifts, power, and changing gears manually with paddles its all fine, it just seems to not want to play when flooring it and trying to shift down twice.

Anyone have any idea what's causing it?

Thanks in advance...
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#2 Old 02-13-2017
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When was trans service done last?


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#3 Old 02-13-2017
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Last service was about 10 months ago
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#4 Old 02-13-2017
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Thanks for updating

try this?

https://www.slkworld.com/general-disc...-learning.html


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#5 Old 02-14-2017
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Thanks for the suggestion. Tried resetting it this morning and it's still dropping the power. Although, It now does seem to find the gear but then suddenly drops power. It's feels like the traction control comes on, but no light is seen.

I'll try again with traction turned off and see if that makes a difference.

Thanks for the help...
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