tuning the GLA 45 - Mercedes GLA Forum
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post #1 of 12 Old 01-08-2017, 02:53 AM Thread Starter
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tuning the GLA 45

So i do think that that 0-60 time is amazingly in the low 4 seconds however im sure with a few tuning and by bumping the HP from 360 to above 400 would be a great way of taking it to the threes no? What would you guys recommend for tuning the beast? i was thinking a Tuning Box and an Exhaust system
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post #2 of 12 Old 01-08-2017, 08:08 AM
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As long as you "can pay to play" (tuning will void your engine and drive train warranty) a well R&D tuning can be had from Renntech (US company) and Rebellion Automotive (UK). Rebellion notes a 78 ft lbs increase in toque and a 44 hp increase; Rennteck numbers increases to 428 hp and 417 lbs torque. With a performance down pipe you will see a bit more increase in both hp and torque. The AMG exhaust and CAI are excellent to start with and really need no upgrading.
Price wise Renntech is $1780 and Rebellion is (at present rates of exchange) $910.
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2015 GLA45 delivered April 10, 2015
South Seas Blue Metallic with Crystal Grey Leather Interior
AMG Sport Seats and Steering Wheel
19" AMG Wheels
AMG Performance Exhaust
Lots of 'Bells and Whistles'
Keyless Go
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post #3 of 12 Old 01-10-2017, 07:33 AM Thread Starter
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so you'd recomend an R&D tuning and a downpipe upgrade, but no exhaust or CIA upgrade? could you please tell me what an R&D tuning is?
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post #4 of 12 Old 01-10-2017, 08:09 AM
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R&D = Research & Development What I was trying to say was a WELL researched and developed product is the way to go and both Renntech and Rebellion fit this category. Too many tuners really do not know what they are doing and that can lead to products that damage your car.

2015 GLA45 delivered April 10, 2015
South Seas Blue Metallic with Crystal Grey Leather Interior
AMG Sport Seats and Steering Wheel
19" AMG Wheels
AMG Performance Exhaust
Lots of 'Bells and Whistles'
Keyless Go
BSA
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post #5 of 12 Old 01-10-2017, 05:49 PM
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rebellion is the way to go.
got a bunch of things from them.
car goes good now.

2015 GLA 45 DESIGNO MOUNTAIN GREY MATTE, 19"OZ ULTRALEGGERA HTL, AMS AIR INTAKE
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post #6 of 12 Old 01-10-2017, 06:43 PM
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Quote:
Originally Posted by caug View Post
rebellion is the way to go.
got a bunch of things from them.
car goes good now.
Can you define a bunch of things and give some details. I don't plan on doing anything ... but ...
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post #7 of 12 Old 01-10-2017, 07:21 PM
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1 bought.TRS makes gas pedal be more responsive.

2 STAGE 1 -more power.

3 I tune sys. hard explain what it does , but it pulls harder, but would like better exlpanation from them someday.
ams bought direct from ams.
Thinking of getting thing bellow since last article says 2.0 getting heating problems when hp pushed to max power.
https://www.amsperformance.com/cart/...r-upgrade.html

2015 GLA 45 DESIGNO MOUNTAIN GREY MATTE, 19"OZ ULTRALEGGERA HTL, AMS AIR INTAKE

Last edited by caug; 01-10-2017 at 07:30 PM.
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post #8 of 12 Old 01-10-2017, 07:38 PM
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regarding #3 i bought (I tune )----- The gearbox remap tool reduces the time that it takes to change gear by up to 50%, the changes are also smoother which helps with the drivability of the car, the torque limiters have also been adjusted meaning that you can get more performance out of certain gears.

2015 GLA 45 DESIGNO MOUNTAIN GREY MATTE, 19"OZ ULTRALEGGERA HTL, AMS AIR INTAKE
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post #9 of 12 Old 01-10-2017, 10:29 PM
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Sounds like sweet updates. Curious about the gear shifting. When I go to Sport or Sport+ modes in my Porsche the quicker shift is definitely not smoother.
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post #10 of 12 Old 01-17-2017, 10:57 AM
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Rebellion Tune

I have a Rebellion piggy back iTune available for sale from my 2016 GLA 45 (post facelift) if interested. It comes with the harness and bypass plug so that if you want to remove the tune you just unplug the box and plug in the bypass.
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