MERCEDES A35 W177 / CLA35 C118 ECU REMAP

Custom Remap for the Mercedes-AMG A35 at MSL Performance

**If your vehicle is registered from mid 2021 onwards then your ECU has a strong chance of being locked from factory, if this is the case then we would need to send your ECU for unlocking prior to any tuning, please refer to the following link: ECU UNLOCKING**

Let’s be honest, you already own a brilliant car. The A35 is the perfect entry into the world of AMG – sharp, agile, and a genuine thrill to drive. But have you ever planted your foot and felt that, deep down, Mercedes-Benz left a little something on the table? A little more punch, a bit more aggression, a whole lot more excitement just waiting to be unleashed to chase down its bigger brothers? You’re right. There is.

And here at MSL Performance in Birmingham, we know exactly how to unlock it. We’re not about generic, one-size-fits-all tunes that get emailed around. We’re about rolling up our sleeves and giving your car the personal attention it deserves. We craft a completely custom map, specifically for your engine, your fuel, and any parts you have fitted. It’s like a bespoke suit for your engine – a perfect fit that delivers incredible performance, safely.

Find Your Perfect Level of Power

Every driver is different. That’s why we’ve developed a few paths you can take on your tuning journey, from a subtle enhancement to a more aggressive upgrade.

Stage 1: The “This is How it Should’ve Been!” Tune

This is for you if you love your car as it is but want to awaken the true AMG spirit lurking within. On standard hardware, we meticulously recalibrate the engine’s brain to unlock a whole new level of energy. The slight hesitation from a standstill? Gone. The mid-range pull? Now it’s a forceful shove that pins you to your seat and holds on right to the redline. It’s the car you already love, but with its personality turned up to eleven.

• The Result: Up to 360 bhp and an increase of around 80 lb-ft of torque.
• What you need: Just your car! No extra parts are required.

Stage 2: For When You Want to Make a Statement

Ready to add a bit more drama? Stage 2 is where things get seriously fun. By freeing up the exhaust with a decat or sports cat downpipe, we can get more aggressive with our custom tune. This allows the turbo to breathe freely, giving you a harder, more sustained pull throughout the rev range. The power delivery is more intense, and the sound becomes a glorious, unapologetic roar that will make you smile every single time.

• The Result: Up to a formidable 380 bhp.
• What you need: A decat or sports cat to let that engine breathe.

So, Why Come to MSL?

Because we’re just as passionate about your car as you are. We believe tuning is an art form, and we take pride in every single car that rolls out of our workshop. When you bring your AMG to us, you’re not just getting a remap; you’re getting the full MSL experience – honest advice, expert workmanship, and the peace of mind that your pride and joy is in the safest hands.

Ready to feel the difference? Give us a call or drop by our workshop here in Birmingham. We’d love to have a chat about your car and figure out the perfect plan to unleash its true potential.