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Hammers68jca

Member

• Mar 4, 2020

• #1

Hi all I have had a quote for both batteries to be changed on my 64 plate discovery 4 firstly the quote is for £396 and this includes fitting. Secondly does the discovery need programming after new batteries are fitted. Thirdly can i do the batteries myself and does it need reprogramming. Thanks for looking

 

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rob1miles

Well-Known Member

• Mar 4, 2020

• #2

Can't answer, but recently Which (I believe) did a battery replacement comparison for main agents vs aftermarket.. Mercedes came out worst - 600 to 1200 and Halfords came out well - around £300 if i recall. This was for fitting so it would inlcude reprogramming. I would get a few more quotes. I fit my own batteries, but you need to be very sure you can reset or bypass the alarm and immobilser before you disconnect anything.

 

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Hammers68jca

Member

• Mar 4, 2020

• #3

yeah that is my worry that i wont be able to do the reprogramming i went to a dealership and they quoted me £180 +vat just to look at it

 

Hippo

Lord Hippo

• Mar 9, 2020

• #4

@gstuart

 

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rob1miles

Well-Known Member

• Mar 9, 2020

• #5

The other way is to put a memory saver in the cirgarette lighter and also use jumper leads to a second battery so it always has 12v on it.

 

biketeacherdave

Well-Known Member

• Mar 9, 2020

• #6

Battery for my d3 is less than £100 quid shouldn't cost much more on the D4 as for programming it shouldn't require it

 

johnlad

Well-Known Member

• Mar 9, 2020

• #7

If you've got a D4 you will need to reset the battery monitor system to tell it that there's a new battery otherwise it could over charge it thinking it's still the old one.

 

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Hammers68jca

Member

• Mar 10, 2020

• #8

johnlad said:

If you've got a D4 you will need to reset the battery monitor system to tell it that there's a new battery otherwise it could over charge it thinking it's still the old one.

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yes Johnlad that is what the garage have told me needs doing. i have now had both batteries changed and BMS reset and the stop start is working again cheers for all your help