E-Class (W212) 2010 - 2016: E 350, E 550

Keyless Go - Hard To Start Sometimes?

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Old 08-02-2022, 08:09 PM
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2013 E350 Facelift (Japan Import) 2007 E350 Elegance Wagon, 2014 E350 Wagon facelift model Jap Model
Exclamation Keyless Go - Hard To Start Sometimes?

Hey guys,

My 2014 Facelift E350 has keyless go fitted, normally its fine but occasionally the starter will engage the ring gear and kick the motor slightly then release, I press Start again, click - kick - release, and again it will stay engaged and start the motor?

Has anyone else experienced this, I did a search on "keyless go starting" but nothing popped up.

I'll make a quick vid of it when its doing it again.

Cheers.
Old 08-02-2022, 09:30 PM
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Pull the push-to-start button and insert the key to see if the issue remains. It really just sounds like your starter is going south.
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Old 08-02-2022, 09:40 PM
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check the basics...

Sounds like a weak battery more than the KeylessGo flaking. Either a bad cell or deeply discharged below 12V

A 1/4 bad starter brush would spin slow-slow-slow like poor battery but consistently so.

Loose cables connections can ruin the starter efforts. Given the 600A starter demand, you can simply look for discolored connection as evidence of heat.

Last edited by CaliBenzDriver; 08-02-2022 at 09:43 PM.
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Old 08-02-2022, 10:40 PM
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Thanks heaps guys,

​​that's some great ideas to start checking with,

I'm guessing the battery might be the issue as I had the Aux fail recently and it was the original one so I haven't checked the main one it's probably the original one also.

Cheers!
Old 08-02-2022, 10:56 PM
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welcome

Originally Posted by Aussie_E350_Wag
Thanks heaps guys,

​​that's some great ideas to start checking with,

I'm guessing the battery might be the issue as I had the Aux fail recently and it was the original one so I haven't checked the main one it's probably the original one also.

Cheers!
These AGM Batts a built tough to endure what they go through👍

Try a CTEK charger therapy and your battery may well last another 4 years... if the car charges instead of draining it below 12V

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You can not throw money at a problem... and expect satisfaction! Every problem diced in small pieces is half way resolved.


Last edited by CaliBenzDriver; 08-03-2022 at 01:06 AM.
Old 08-03-2022, 09:04 AM
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Originally Posted by Aussie_E350_Wag
Thanks heaps guys,

​​that's some great ideas to start checking with,

I'm guessing the battery might be the issue as I had the Aux fail recently and it was the original one so I haven't checked the main one it's probably the original one also.

Cheers!
Start the engine and then look to your media center in the dash. If it does not boot up (and was playing when last in the car)... then indeed your battery needs a charging.
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