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Hi all. Newbie to the Mercedes game here. Sold my Lexus GS F and picked up a 2014 E63 from a dealer auction. After I received it, I realized that something had been done to it performance wise. My suspicion arose from when I started it. It is: a) louder than what I anticipated b)has a strong exhaust smell. So I looked underneath and found that the cats have been deleted. Vehicle doesn't show a check engine light, yet the o2 sensors are still present. So my understanding is that for the light to not go off, previous owner would have had to put a tune on the ECU correct? Lastly, the OBD port cover was hanging open. I don't have another E63 to compare mine with nor have I put it on the dyno. I've emailed eurocharged, weistec, and renntech with my VIN number. Renntech said they didn't have the vin file, eurocharged told me they don't have a way to check by vin, and have yet to receive a reply from weistec. The vehicle is from Concord, CA so it's possible that the previous owner took it to German Autotech Inc out of Walnut Creek, CA. Anyways, any help is appreciated. Maybe the last owner is a member here?
Any tuner can pull the ecu data and compare against a stock ecu data file they have
also email AMS in west chicago, Illinois with the vin
check the screws on the ecu housing itself and look for any drill marks; you're correct that the o2 sensor issue is dialed out in the ecu with custom tune
but hey - how does it drive and perform? Have you check for codes/dtc's?
Last edited by PeterUbers; Aug 17, 2022 at 05:06 PM.
Any tuner can pull the ecu data and compare against a stock ecu data file they have
also email AMS in west chicago, Illinois with the vin
check the screws on the ecu housing itself and look for any drill marks; you're correct that the o2 sensor issue is dialed out in the ecu with custom tune
but hey - how does it drive and perform? Have you check for codes/dtc's?
I just got the car last weekend. It needs some cosmetic work etc. I purchased it as a weekend/fun car so I have yet to take it out on the street and give it the beans. I will pop the beauty cover off tonight and see if anything has been done to the ECU. Thanks for the AMS tip as well.
This is what I was going to say - run a dragy or dyno.
Ya I'll get to that eventually. But that won't tell me who the tune came from, so that's what I'm trying to find out. Might end up doing some facebook stalking for the previous owner, they left their phone connected to the car.
Hi all. Newbie to the Mercedes game here. Sold my Lexus GS F and picked up a 2014 E63 from a dealer auction. After I received it, I realized that something had been done to it performance wise. My suspicion arose from when I started it. It is: a) louder than what I anticipated b)has a strong exhaust smell. So I looked underneath and found that the cats have been deleted. Vehicle doesn't show a check engine light, yet the o2 sensors are still present. So my understanding is that for the light to not go off, previous owner would have had to put a tune on the ECU correct? Lastly, the OBD port cover was hanging open. I don't have another E63 to compare mine with nor have I put it on the dyno. I've emailed eurocharged, weistec, and renntech with my VIN number. Renntech said they didn't have the vin file, eurocharged told me they don't have a way to check by vin, and have yet to receive a reply from weistec. The vehicle is from Concord, CA so it's possible that the previous owner took it to German Autotech Inc out of Walnut Creek, CA. Anyways, any help is appreciated. Maybe the last owner is a member here?
Attach a pic of the car maybe someone will know.
I actually bought a car out of state (bad experience but I won’t go into that here) and found the previous owner and messaged him for any mods he did since it had muffler delete, aftermarket wheels and chrome delete.
he never responded but I was hoping it had a tune as well. I ended up taking to a local mb shop and they confirmed it had a stock tune.
Ya I'll get to that eventually. But that won't tell me who the tune came from, so that's what I'm trying to find out. Might end up doing some facebook stalking for the previous owner, they left their phone connected to the car.
many tuners can send you a handheld mygenius - simply attach to your obd2 (vin specific) it'll upload the current ecu file and then you can email it to any tuner to find out -- obviously you'll get more love from big name tuners
German Autotech deals with Eurocharged so that would be who it's tuned by if it is.
Which WC dealer did you get the car from? I'm from the area and know both of the major dealers here so I can ask.
They’re also a Weistec dealer. I should have been more specific and said it came from IAA. I picked it up last week. Vehicle needs a little work(passenger doors and a fender need to be replaced) before I can drive it. I’ll post up some pics once it’s in a more presentable state. Parts are coming next week. For now here is a little preview.
Sorry, she’s a bit dirty from sitting outside for the last few months… 😆
ETA, located the previous owner. According to his social media post, vehicle has 790hp to the crank. Awaiting his reply on who’s tune it actually has. Only one that I can think of that can put out those kind of numbers is Renntech’s R3. But I don’t see $22k worth of mods in the engine bay. So may have been removed. Guess we’ll find out!
ETA, located the previous owner. According to his social media post, vehicle has 790hp to the crank. Awaiting his reply on who’s tune it actually has. Only one that I can think of that can put out those kind of numbers is Renntech’s R3. But I don’t see $22k worth of mods in the engine bay. So may have been removed. Guess we’ll find out!
not surprised. But for it to have the R3 it would need to have all of the supporting parts which i do not see. So either it’s a different tune or the previous owner removed everything. Hopefully he responds.
super smooth shifts and easy drivability... feels all OEM quality in terms of the drive ... throttle tip in much better and launching is spectacular pulling 2.6's 0-60 per dragy (with 60ft rollout)
@jvakos has the same 100 tune as me and intakes (his graph superimposed on my dyno graph) and he's pulling 10.4 1/4's in cold weather (40F)
Jvakos and peterubers; only difference in cars is mine is 2014 his is 2015 and his has colder plugs gapped narrow mine are stock plugs gapped stock
Last edited by PeterUbers; Aug 22, 2022 at 11:02 AM.
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