Position of ecu pms on C180 facelift

WEN

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Apr 14, 2019
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MALAYSIA
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ML350 + ML350
In answer to your question the answer is no. Your best bet is one of the programmable ECU kits like Megasquirt. If you check out Charles Morgan's W114 restoration thread on this forum you will see even then its not simple. Absolute Power is not the problem its part throttle driveability that needs extensive setting up/mapping by trial and error rolling road/ road test etc. Mercedes W114 250 Coupe - help!
Thanks for the information
 

Adikaswo

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Aug 28, 2019
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Indonesia
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W202
I have W202 C200 AT 1997, i got trouble with my PMS
PMS number on my car is 018 545 43 32.
What happen if my car uses 018 545 44 32 not 018 545 43 32
it's will work normally or something bad will happen to the engine if i use 018 545 44 32

Regards.
 

grober

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Jun 22, 2003
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Perth, Scotland
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W204 C200CDI Estate
C200 (W202) ECU problems, Ignition Coils test, Guide and help
the Mercedes EPC lists 0185454432 as a legitimate replacement part for 0185454332 so you should be fine- it may look slightly different some have adjustment plugs for altering ignition timing for different markets for poor quality fuel some don't. If they both do make sure the replacement PMS plug is set in the same position as the old PMS plug -the plugs are just a set of different resistors to alter the ignition advance curve depending on how they are plugged in.
WARNING
PMS units can fail on their own but often they are a result of ignition low voltage wiring or HT coil insulation breakdown/shorts---- if this is the case then replacing the PMS unit may effect a repair in the short term but it will fail again if the original cause of failure is not addressed! Did the car go through a period where it misfired before PMS failure?
 
Last edited:

Adikaswo

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Aug 28, 2019
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Location
Indonesia
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W202
Thanks for replying my comment, but sorry I confused with link you sent :oops:
My PMS accidentally hit water when hydraulic washing
MB specialists in my city recommend replacing PMS
my PMS number is 018 545 43 32,
What happen if my car uses 018 545 44 32 not 018 545 43 32
it's will work normally or something bad will happen to the engine if i use 018 545 44 32

Regards.
 

grober

MB Master
Joined
Jun 22, 2003
Messages
28,213
Location
Perth, Scotland
Car
W204 C200CDI Estate
I'VE ADDED A BIT TO MY POST NOW
the Mercedes EPC lists 0185454432 as a legitimate replacement part for 0185454332 so you should be fine
 

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