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A Class W176 Starting Issues

Geordie!

New Member
Joined
Dec 24, 2016
Messages
23
Car
C204 AMG Sport
Hi everyone.
Having an intermittent issue with my wife's W176 A Class AMG. For a few months now she been been having trouble with starting. Sometimes its a lazy start, sometimes it fires up normal & sometimes nothing at all. When the car gives nothing there isn't even a solenoid click I mean nothing but ignition lights. Leave the car 15mins or so, up it will fire. I am working away just now and asked her to take it for a battery & alternator load test as it happened again this morning while am away. I changed her key fob battery thinking the immobiliser was kicking in but still it continued. I'm deffo going down the road of a power issue as it slow cranking. The battery has never been charged & never has she had the car jump started. Deffo not a fuel issue as the engine doesn't crank fast. its slow or nothing. Any pointers would be greatly appreciated.
 
What year is the car? Is it the original battery?
 
2012. We have had the car 1 1/2 years so I don't know if its the original battery
The load test should confirm if its the battery failing.
The battery should have the month (or week)/year of production stamped on the top of a terminal.
I 'd suspect you have the original battery and its on its last legs.
 

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