S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

2000 S430 No Start

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Old Oct 23, 2019 | 06:32 PM
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2000 S430
2000 S430 No Start

Starting problem, key turns on but does not turnover, does not even click, dash lights come when the is key is in the on position, on my 2000 mercedes S430 replaced starter relay and battery in fob and car battery is good had tested at auto zone, jumped at starter relay with jumper wire starter turned over, but no start, the shifter will shift to neutral, but no turn over not even a click from starter. Wife drove and turned off at home and nothing next morning.

Last edited by garvan62; Oct 23, 2019 at 06:38 PM.
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Old Oct 23, 2019 | 10:47 PM
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Originally Posted by garvan62
Starting problem, key turns on but does not turnover, does not even click, dash lights come when the is key is in the on position, on my 2000 mercedes S430 replaced starter relay and battery in fob and car battery is good had tested at auto zone, jumped at starter relay with jumper wire starter turned over, but no start, the shifter will shift to neutral, but no turn over not even a click from starter. Wife drove and turned off at home and nothing next morning.
first check the main fuses under passenger floor aluminum panel


if that isn’t it
Youll need a matched set of key , ignition switch shifter and Ecu taken from a donor car .
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Old Oct 24, 2019 | 09:29 AM
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Thank you I will check the main fuse
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Old Oct 26, 2019 | 01:33 PM
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Tested fuses under carpet and read same as test leads, will test key fobs received three fobs with car never used the other two will install new batteries and check. Thank You!
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Old Oct 26, 2019 | 02:24 PM
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Originally Posted by garvan62
Tested fuses under carpet and read same as test leads, will test key fobs received three fobs with car never used the other two will install new batteries and check. Thank You!
The batteries in the key fobs Make no difference for starting the batteries only power the remote lock and unlock

a key can have dead batteries and still start the car
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Old Oct 26, 2019 | 03:50 PM
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Thank You, I am sorry, I do not understand, the key fobs can start the car without batteries.
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Old Oct 27, 2019 | 12:28 AM
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Originally Posted by garvan62
Thank You, I am sorry, I do not understand, the key fobs can start the car without batteries.
The key fobs do not need any batteries to be able to start the car . The batteries in the key fob are only for remote lock and unlock function
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Old Oct 27, 2019 | 10:23 AM
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The link between the ignition and the key fob is done thru inductive coils, which do not depend upon the button cell battery in the key fob.
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Old Oct 27, 2019 | 02:17 PM
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The battery good, starter relay good, jumped starter at relay cranks over, but no start, 60,150,200 amp fuses are good under carpet, tested all the fuses under hood all good but one f11 front cig lighter keeps blowing, don't think has any thing to do with starting. The key fobs two of them plus the emergency key doesn't work. What should I check next? Thank You
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Old Oct 28, 2019 | 07:50 AM
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Perhaps neutral start switch circuit. Be aware that the shifter unit is a "theft relevant system" that cannot be replaced alone.
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