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W220 wont start from ignition key
12-12-2017, 01:44 PM
Post: #1
W220 wont start from ignition key
helo,am working with w220 with M112 engine,the transmission control for this car was defective,i found new tcu but differ part no,and car is not starting from the key but when i start from the relay car start and shift fine than with old tcu.
can someone help me if i can bypass or do anything so that the car will start from ignition with new tcu

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12-12-2017, 01:51 PM
Post: #2
RE: W220 wont start from ignition key
Make sure that the TCU is compatible. Did you scan the transmission module? Is it communicating normally? any codes? Also is it 7G tronic? If it is than you have to renew the TCU and do SCN coding + drive authorization.
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 Thanks given by: ivannzowa
12-12-2017, 01:52 PM
Post: #3
W220 wont start from ignition key
Tcu not compartible,its 722.6


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12-12-2017, 01:57 PM
Post: #4
RE: W220 wont start from ignition key
(12-12-2017 01:52 PM)ivannzowa Wrote:  Tcu not compartible,its 722.6


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Just get the right module, there is no programming involved on 722.6
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12-12-2017, 02:00 PM
Post: #5
W220 wont start from ignition key
Sure,can you check part no for me...if i send vin


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12-12-2017, 02:54 PM
Post: #6
RE: W220 wont start from ignition key
(12-12-2017 02:00 PM)ivannzowa Wrote:  Sure,can you check part no for me...if i send vin


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if u have old part wHy not just get number from that?
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12-13-2017, 01:21 AM
Post: #7
RE: W220 wont start from ignition key
EGS is not good. You mast have the part for your car.
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 Thanks given by: ivannzowa
12-14-2017, 02:32 AM
Post: #8
RE: W220 wont start from ignition key
Here is VIN WDB2201672A452871,someone check for egs part numbers

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