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It’s an odd thing.

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Old Apr 27, 2026 | 04:56 PM
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Crossfiredennis's Avatar
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Default It’s an odd thing.

I have an issue with my 2004 Chrysler crossfire. When I go to start it it just turns over. Nothing I then shut it off and try again, this time nothing no crank nothing. Then when I shut it off and turn it back on it cranks right over. Driving it has no issues no lag in power just rides perfectly. Anyone else have this issue. Also a garage had it for a year didn’t fix it. They did how ever parts change the **** out of it. Any thoughts. Love my car.
 
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Old Apr 27, 2026 | 08:41 PM
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edmoncwheeler's Avatar
Joined: Dec 2011
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From: Denton Texas
Default Re: It’s an odd thing.

Relay control board? Had this happen to my srt6
 
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Old Apr 27, 2026 | 11:15 PM
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pizzaguy's Avatar
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From: Fort Worth, Texas
Default Re: It’s an odd thing.

No crank is usually the RCM.
Crank with no start can be: Low fuel pressure, bad crank or cam sensor, screwed up throttle body or several other items.

I would replace the RCM, send the bad one to DJ for rebuild, and go from there. (No one should be driving around without a spare RCM - they plug in without using ANY tools and they fail kinda often).
Search "2003 Mercedes SLK320 Relay Control Module" and buy from the most reasonable retailer.

If you then get some "cranks but no starts", I'd do this:
Measure fuel pressure when the car is not starting, if it is not 50-58psi, replace the fuel pump and filter/regulator.
If the car won't start when warm but starts when cold, order a BOSCH* Crank Position sensor for a 2003 Mercedes SLK320. (Or any other Mercedes of that era with the M112 V6 3.2L engine, they are all the same.)

We can go from there.

*If you buy a non-Bosch sensor, please do not post here ever again, you are wasing your time and ours. I say this because a LOT of newbs don't listen, and then pay the price for not listening, you came here for advice - you are getting advice.
 

Last edited by pizzaguy; Apr 27, 2026 at 11:17 PM.
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Old May 8, 2026 | 01:20 PM
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Crossfiredennis's Avatar
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Default Re: It’s an odd thing.

Thank you for all the advice. I always used the factory parts, it just makes sense to me. I will try many more of what you suggest. Again thank you.
 
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Old May 8, 2026 | 05:12 PM
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amx1397's Avatar
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From: Indialantic Fl./blairsville Ga
Default Re: It’s an odd thing.

I assume You see when pizzaguy joined, I also assume U see how many post pizzaguy has and just so you know 99% of those post from

pizzaguy is to help some with a crossfire problem so if i were you i would start with a Chrysler crossfire RCM or same part Mercedes just called K40
good luck jim
 
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Old May 9, 2026 | 11:31 PM
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GraphiteGhost's Avatar
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From: Central South Carolina
Default Re: It’s an odd thing.

Originally Posted by Crossfiredennis
Thank you for all the advice. I always used the factory parts, it just makes sense to me. I will try many more of what you suggest. Again thank you.


Chrysler is going to LOVE your wallet. Fair warning. Almost all the parts I saw from Chrysler (supposed to be factory parts) came with a Mercedes Benz sticker under the Chrysler sticker (many many more dollars for the Chrysler part vs Mercedes Benz part). Look under the hood and find any part connected to the engine, you'll see. Much of the car is MB.

I see your new to the forum, I would suggest you read a lot here, and find out for yourself. Good luck!


.
 
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Old May 10, 2026 | 09:51 PM
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M60A3Driver's Avatar
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From: New Jersey
Default Re: It’s an odd thing.

Originally Posted by Crossfiredennis
Thank you for all the advice. I always used the factory parts, it just makes sense to me. I will try many more of what you suggest. Again thank you.
This may help when you are looking for "factory parts". What GraphiteGhost said is true, our cars are based on the 2001 - 2004 Mercedes-Benz R170 platform.
The supercharged SRT6 are based one the SLK 32 AMG and the non supercharged cars are based on the SLK 320. You would save a ton of money if you buy the Mercedes-Benz part as opposed to the Chrysler part.
Example: Chrysler water pump part# 5097159AC $501.60 LINK - Chrysler Water Pump
Example: Mercedes-Benz water pump part# 112-200-14-01-80 $297.60 LINK Merceds Water Pump
Even better, a trusted source for Crossfire parts: Needswings.com water pump: $135.95 Needswings Water Pump
My point is, do some research before reaching for your wallet. If you're not sure of something ask. That's what we're all here for.
Good luck!
 
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Old May 11, 2026 | 06:20 PM
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Crossfiredennis's Avatar
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Default Re: It’s an odd thing.

Originally Posted by M60A3Driver
This may help when you are looking for "factory parts". What GraphiteGhost said is true, our cars are based on the 2001 - 2004 Mercedes-Benz R170 platform.
The supercharged SRT6 are based one the SLK 32 AMG and the non supercharged cars are based on the SLK 320. You would save a ton of money if you buy the Mercedes-Benz part as opposed to the Chrysler part.
Example: Chrysler water pump part# 5097159AC $501.60 LINK - Chrysler Water Pump
Example: Mercedes-Benz water pump part# 112-200-14-01-80 $297.60 LINK Merceds Water Pump
Even better, a trusted source for Crossfire parts: Needswings.com water pump: $135.95 Needswings Water Pump
My point is, do some research before reaching for your wallet. If you're not sure of something ask. That's what we're all here for.
Good luck!
Wow thank you for that heads up. I will look in to that
 
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Old May 19, 2026 | 12:58 PM
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oledoc2u's Avatar
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From: IN
Default Re: It’s an odd thing.

love you old guys! such great advice yo a newcomer. Hell I am just glad there are newcomers. Retirement September first so look out, you can reeducate me next. Fair warning.
 
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Old May 19, 2026 | 04:11 PM
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amx1397's Avatar
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From: Indialantic Fl./blairsville Ga
Default Re: It’s an odd thing.

Originally Posted by oledoc2u
love you old guys! such great advice yo a newcomer. Hell I am just glad there are newcomers. Retirement September first so look out, you can reeducate me next. Fair warning.
Hello Doc. how the hell are you,, for me after 5 cancers & 27 heart attacks and at 83 I am still running my third V8 crossfire 10.55@134
had a misfire a few weeks ago got it home and found a piston in half.,, in repair now building it same as the black car with Rudy's tune
I'm sure you remember that car and tune,, you saw and or drove it before I did LOL. anyway glad you are retiring soon,,,wanta race? jim


 

Last edited by amx1397; May 19, 2026 at 04:19 PM.
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