Merlin Performance Tuning provides ECU remapping, vehicle tuning and diagnostics for customers in Chorleywood. Based in Chesham, we support Chorleywood and nearby areas with professional file backup, bespoke tuning and a simple quote process.
On the Hertfordshire border near Rickmansworth, Chorleywood is within our mobile radius — we come to your driveway or workplace.
We cover Chorleywood and Chenies with mobile tuning and diagnostics. Original file backup comes first on every visit, so your vehicle can always be returned to standard.
Chorleywood's mix of Metropolitan-line commuters and higher-spec cars means warranty-conscious questions come up often — ask us about Viezu's insurance-backed guarantee on remapping work, and we'll explain exactly what's covered for your vehicle.
Best suited to ECU remapping, TCU tuning, diagnostics and fuel-efficiency tuning.
Stage 1 remaps are suitable for many standard vehicles, while fuel-optimise tuning is aimed at smoother delivery and improved efficiency for daily driving.
Where suitable, gearbox tuning can improve shift behaviour and drivability. Diagnostic checks can also help identify warning lights, running issues and tuning suitability.
DPF, AdBlue/SCR and EGR delete services are intended only for off-road or track-use vehicles and not for vehicles used on public roads. Diagnostics are recommended before any work.
Nearby areas include Rickmansworth, Little Chalfont and Amersham. If you are close to Chorleywood, send your postcode with your enquiry and we will confirm whether workshop or mobile service is suitable.
We also cover nearby areas such as Rickmansworth, Little Chalfont and Amersham. For the full local coverage list, visit the service areas page.
Use the quote form and include your registration, postcode, phone, email and the services you need. You can select multiple services in one enquiry.