M-Class (W166) Produced 2012-2015

CPA CHIPTUNING - Problems

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Old Aug 30, 2017 | 10:54 AM
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2002 C32 AMG
CPA CHIPTUNING - Problems

CPA chiptuning
I've been using CPA powerbox (best version) for my ML250 for about 6 months now and it does feel a little quicker but sometimes the transmission will go into a strange mode that it doesnt change gear. You will have to turn the car off with keys out of ignition for about 1 minute and it would be ok. Also when fillin up you have to remove key from ignition or sometime it has errors with the transmission.
My friends landrover discovery also has this problem...
Their service is crap as soon as you purchased..
I will not buy again.
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Old Aug 30, 2017 | 10:56 AM
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johnng117's Avatar
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Posts: 256
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2002 C32 AMG
If you decide to buy any of these plugins please confirm with the supplier on location of plugs & diagram. I purchased and realised they didnt know where to plug it and kept asking me to take photos of the engine.
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