ZAC Motorsport Remote CEL Removal Service | Downpipe Compatibility Coding

Enjoy the sound and character of your upgraded downpipe without the hassle of a Check Engine Light. The ZAC Motorsport Remote CEL Removal Service permanently disables the catalyst efficiency warning that appears when fitting a high-flow or decat downpipe.

This service is ideal for owners who want the sound and excitement of a performance downpipe but are not chasing a full Stage 2 tune. It’s a simple, affordable alternative that keeps your dashboard clear and your AMG running smoothly.

What It Does

• Removes the Check Engine Light (CEL) triggered by catalyst-efficiency fault codes after installing a downpipe

• Keeps all other diagnostic functions active

• No ECU flashing or tuning required – this is a coding service only

• Fully remote process performed by our tuning specialists

How It Works

• You receive our complimentary ZAC Motorsport “OPTIMUM” tuning tool

• Connect the tool to your car and laptop (Windows preferred)

• Our team remotely codes out the CEL in a short live session

• No shipping, no workshop visit, no downtime

Why Choose This Service

• Enjoy your downpipe sound without warning lights

• Avoid the cost of a full Stage 2 tune

• Quick, affordable, and fully reversible if needed

• Professional service backed by ZAC Motorsport support

Whether you’ve just fitted a high-flow downpipe or plan to in the future, this service gives you the best of both worlds — that unmistakable AMG tone with zero warning lights.