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| CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets] |
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#1 | ||
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Member
Join Date: Jun 2011
Location: SW Florida
Posts: 181
Drives: '07 R320 CDI, '04 CLK 500
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CLK500 Cold Start Idle Speed Adjust?
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R & CLK: AZN Optics 5000k LED running lights, CLK: Facelift LED taillights, Brabus Monoblock VI 18" staggered, Coco Mats, K&N, Resonator delete.. Stealth modding. . . |
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#2 | |
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MBWorld Fanatic!
Join Date: Mar 2008
Posts: 2,733
Drives: Slk55, Clk500 Cab., C350, Civic
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Quote:
I think that's the air pump that you're heard.
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#3 |
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Super Moderator
Join Date: Jun 2008
Location: Llandudno, Cape Town, South Africa
Posts: 15,968
Drives: late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
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The high idle & excess air pump are all for emissions & fast Cat warm up. Nothing you can do about it. It is programmed into the ECU.
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![]() Llandudno, Cape Town, South Africa |
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#4 |
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MBWorld Fanatic!
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The ML430 I owned was crazy loud for the first 30 seconds or so until the pump cycled through. In gear idle about the same, maybe a little less.
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Mike
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#5 |
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Member
Join Date: Jun 2011
Location: SW Florida
Posts: 181
Drives: '07 R320 CDI, '04 CLK 500
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Thank you all for your responses. Rather expected that, but just hoping. I've heard other MBZ of other classes making similar noises. C'est la vie.
Still sounds cheesy.
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R & CLK: AZN Optics 5000k LED running lights, CLK: Facelift LED taillights, Brabus Monoblock VI 18" staggered, Coco Mats, K&N, Resonator delete.. Stealth modding. . . |
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#6 |
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MBWorld Fanatic!
Join Date: Sep 2007
Posts: 7,120
Drives: 04 CLK 320 (Gone) , 01 GS 300 "Plat. Series", 05 CLK500 & 89 EF-Si
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same here but nothing to worry...All CLK are like that sheesh
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Andy
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#7 |
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Member
Join Date: Jun 2011
Location: SW Florida
Posts: 181
Drives: '07 R320 CDI, '04 CLK 500
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Well, heck.
Hey, I'll bet some 'exhaust repairs' would make it less noticeable!
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R & CLK: AZN Optics 5000k LED running lights, CLK: Facelift LED taillights, Brabus Monoblock VI 18" staggered, Coco Mats, K&N, Resonator delete.. Stealth modding. . . |
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| Tags |
| 320, 500, adjust, clk, clk55, cold, fast, gear, idle, missing, ml430, noise, rpm, slow, start |
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