Mercedes
Tuning the Mercedes CLS C257 Ph1
Elite Remaps develops custom ECU software for the Mercedes CLS C257 Ph1, built between 2018 – 2021. Each remap is written and tested in-house for stronger performance, sharper response and better economy, and is backed by our lifetime software warranty.
We cover 6 diesel and petrol micro-hybrid engines on this generation, from 245 to 435 bhp as standard. Select your engine below to see its indicative power and torque gains with before and after graphs.
Mercedes CLS C257 Ph1 engines
Choose your engine
Why choose Elite Remaps
Book your Mercedes CLS C257 Ph1 remap
Speak to our tuning specialists for a free, no-obligation quote on your Mercedes CLS C257 Ph1.
Related vehicles
Other Mercedes CLS generations
Tuning across every generation of the Mercedes CLS.
Tuning services
Explore our services
From Stage 1 to emissions solutions, explore the tuning services we offer for your Mercedes CLS C257 Ph1.
Where we work
Areas we cover
Visit our Leeds workshop or use our nationwide mobile service across West Yorkshire and beyond.
Frequently asked questions
Common questions about remapping the Mercedes CLS C257 Ph1.