CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

Engine Startup really sluggish

Old 06-26-2008, 02:03 PM
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CLK430, SC430, RX330
Engine Startup really sluggish

I noticed this a few months ago, but this morning, when I turned the ignition, the starter seemed to start up really slow... so slow that initially I wasn't sure if it was going to turn over. Sounds like the the starter is really struggling to start up and then it turns over.

It doesn't really take any longer to start up, just makes a sound when you first crank the ignition that sounds like the starter is struggling to turn.

Tonight, I'm going to clean off the battery terminals and maybe get some of that conductive gel on there.

I'm thinking 1) bad contact on the battery terminals, 2) weak battery, or 3) something to do with the CPS.

I've never had the CPS replaced, I haven't replaced the battery in probably 5 years.

Has anyone experienced similar symptoms? Any suggestions?
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Old 06-26-2008, 03:17 PM
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2001 clk55 AMG
Its most likely your 5 year old battery the CPS won't have ant affect on how fast the engine will crank. Have the battery tested and make sure the terminals are secure.
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Old 07-18-2008, 11:19 PM
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99 CLK 430, 84 v8 rx7, 97 gtp grand prix
yah ounds like battery problem cps generally will show as no start when hot but ok cold
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