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4.8★★★★★2,200+ reviewsClosed · opens Monday 8am
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4.8★★★★★2,200+ reviewsClosed · opens Monday 8am
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Porsche GT3 991 tuning on dyno

Gearbox Tuning

Gearbox tuning modules for faster, firmer shifts.

  • 6,572 parts listed
  • Tracked UK delivery, or collect from Maidstone
  • 4.8 from 2,200+ reviews

6,572 parts

Auto Gearbox Tuner

Fits Mercedes C W206 (2021 - ) 200 (1.6D) - 163HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes C W206 (2021 - ) 220 (2.0D) - 200HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes C W206 (2021 - ) 300 (2.0D) - 200HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes C W206 (2021 - ) 300 (2.0D) - 265HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes C W206 (2021 - ) 300 (2.0T) - 256HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes C W206 (2021 - ) 300e (2.0T) - 313HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes Citan 2012 - 2019 108 CDI - 75HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes Citan 2012 - 2019 109 CDI - 90HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes Citan 2012 - 2019 111 CDI - 110HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes Citan 2019 - 108 CDI - 80HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes Citan 2019 - 109 CDI - 95HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes Citan 2019 - 111 CDI - 116HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C215 (2002 - 2006) 500 - 306HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C215 (2002 - 2006) 55 AMG - 500HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C215 (2002 - 2006) 600 - 500HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C215 (2002 - 2006) 65 AMG - 612HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2006 - 2010) 500 - 388HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2006 - 2010) 600 - 517HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2006 - 2010) 63 AMG - 525HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2006 - 2010) 65 AMG - 612HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2010 -) 500 - 407HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2010 -) 550 - 435HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2010 -) 600 - 517HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CL C216 (2010 -) 63 AMG - 544HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket
Fitted in Maidstone

Want it fitted?

Buy the part and we can fit it in our workshop. Ask for a fitted price on any product page and we'll quote the whole job, parts and labour.

Call 01622 321500 Meet the team →

John Ford beside a Porsche 911 GT3 on the JF Automotive rolling road A JF Automotive technician reading and writing an ECU file at the workshop in Maidstone, Kent
Reviews

What customers say

These guys really know their stuff. I went there for a TCU gearbox upgrade which has made all the difference on my car, they were really competitively priced and helped advise me on a few other bits as well. I’m definitely going back there again for some more upgrades. I highly recommend these guys, not…
Darren
What JF Automotive achieved with my Mercedes GLA is amazing!! It feels like a totally different car altogether,would highly recommend.we had a gearbox upgrade,remap and put on they’re rolling road.plus to top it off we have better fuel economy
Richard Taylor Mercedes
Seat ateca in for dsg service great service and work as always
Carl groom SEAT

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The JF Automotive team
Meet the team

The team behind every job

Technicians, calibrators and the front desk, all in Maidstone. No call centre and no subcontracting - the person who books you in is the person you can ask about the job.

Newsletter

Offers on parts and tuning, first

A short email now and then: new vehicle support, parts deals, open days. Nothing daily.