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Thanks for the chart ,,,my car is a W209 with engine 113.988,,,,does the chart still apply ?
Any idea what the difference is between 987 and 988 ?
I will guess that the chart is OK for both 987 & 988, but I cannot find what the the precise difference is. According to my WIS,

113.987 is used on 209.376, CLK55AMG coupe. 209.436, CLK55AMG cabriolet.

113.988 is used on 203.076, C55AMG coupe. 203.276. C55AMG cabriolet.
plus 209.376, CLK55AMG coupe. 209.436, CLK55AMG cabriolet.
 

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Thanks , mine is a 209.376,,, I just wondered why the wis chart split them between 203 and 209,,,I doubt that there is any difference.
 

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Just took a little ride and so far no leak, but we need to drive more. I did notice a slightly rougher "stumbling" idle, very subtle. I did disconnect the battery and
replaced a few breather hoses as well as clean the MAF sensor. I have read about a throttle "position/switch or the sort" reset sometimes required?
Any ideas/suggestions or do I just need to drive for a bit and let the "computers" reset/figure it out?
If the rough idle persists then double check all your hose connections and make sure you have the air box correctly seated down on the intake.
 

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Discussion Starter #25
Thanks much for reaching out. I've only had opportunity to put 20 miles after the fix but so far so good.
 
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