Performance.
Precision.
A1 Automotive.
Professional performance tuning, precision installations, expert maintenance, and complete custom builds — backed by A1Tuned, our in-house calibration program for Mercedes-AMG and European performance vehicles.
- AMG
- Specialists
- ECU·TCU·CPC
- Calibration
- Dyno
- Validated
Featured Services
From a single install to a full custom build, every job gets the same careful, transparent approach.
Performance Tuning
ECU, TCU, and CPC calibration developed for your exact platform, with dyno and datalog verification.
- ECU / TCU / CPC calibration
- Custom and remote tuning
- Dyno + datalog review
- Flex-fuel options where supported
Performance Parts Installation
Professional installation of downpipes, intakes, exhausts, plugs, coils, and supporting hardware.
- Downpipe & exhaust installs
- Intake systems
- Spark plugs & ignition coils
- Torque-spec, clean routing
Maintenance
Oil changes, fluids, and scheduled service to keep your performance vehicle healthy long-term.
- Oil changes & fluids
- Scheduled maintenance
- Pre-tune health checks
- European vehicle specialists
Diagnostics
Careful, methodical diagnostics to find the root cause before any parts or labor are recommended.
- Fault-code analysis
- Live datalogging
- Drivability diagnosis
- Honest recommendations
Fuel System Upgrades
High-pressure fuel pump upgrades, injectors, and supporting fueling for higher-output builds.
- HPFP installation
- Injector upgrades
- Flex-fuel hardware
- Fueling for big power
Cooling Upgrades
Intercoolers, radiators, and heat-management upgrades to keep temps in check under load.
- Upgraded intercoolers
- Radiator & oil cooling
- Track-day heat management
- Consistent power delivery
A1Tuned is our in-house calibration program. Every tune is written for the individual car — never pulled off a shelf — then verified with datalogs before the keys go back.
92 supported Mercedes-Benz and AMG platforms. Custom tuning from $1,500.
ECU
Engine calibration written for your exact engine code — boost, timing and fuelling, not a generic file.
TCU
Transmission mapping for faster, firmer shifts and raised torque limits on 725 and 722.9 gearboxes.
CPC
Module calibration that completes the package on supported Mercedes-AMG platforms.
Featured Tuning Packages
Calibrations developed for your exact platform and verified with datalogs. Explore the full lineup and find your tune.
Custom ECU Tune — Stage 1
$1,500.00starting
Mercedes-Benz & Mercedes-AMG — 92 supported platforms
Required
- • Stock or lightly modified vehicle — no hardware required
- • Healthy, well-maintained engine
- • Fresh spark plugs recommended
- • No active fault codes
Included
- Custom calibration for your exact engine code
- Optimized boost, timing & fueling
- Improved throttle response
- Datalog review after the flash
Bench or OBD flash depending on platform.
Results vary with fuel, condition, and testing method.
ECU + TCU Package
$2,800.00starting
Mercedes-Benz & AMG automatic and DCT platforms
Required
- • Healthy engine & transmission
- • Stage selected to match your installed hardware
Included
- Full ECU calibration (Stage 1, 2, or 3)
- Matched TCU shift & torque mapping
- Faster shifts with raised torque limiters
- Datalog review after the flash
- Saves $200 vs. buying both separately
Transmission tune varies by gearbox (725 or 722.9) — we confirm yours by VIN.
Results vary with fuel, condition, and testing method.
ECU + TCU + CPC Package
$4,100.00starting
Supported Mercedes-AMG platforms
Required
- • Healthy engine & transmission
- • Stage selected to match your installed hardware
Included
- Full ECU calibration (Stage 1, 2, or 3)
- Matched TCU shift & torque mapping
- CPC module calibration
- Fully integrated, single-shop tune
- Datalog review after the flash
- Saves $400 vs. buying all three separately
CPC availability depends on platform — we confirm yours by VIN.
Some features are intended for closed-course use only.
Results vary with fuel, condition, and testing method.
Recently Completed
A look at recent builds and projects from the A1 Automotive shop floor.
Why Choose A1 Automotive
A performance-focused shop built on transparency, quality, and a genuine passion for European performance vehicles.
Performance Experience
Years of hands-on work with AMG, BMW, Audi, Porsche, and American performance platforms.
Honest Recommendations
We tell you what your car actually needs — no upsells, no unrealistic promises.
Quality Parts & Workmanship
Proven parts, torque-spec installs, and clean routing on every job.
Careful Diagnostics
Methodical diagnosis to find the root cause before any parts or labor.
Custom Solutions
From daily-driver refinement to full builds tailored to your goals.
Clear Communication
Straight answers and detailed updates from quote to completion.
What Customers Say
Real feedback from drivers who trust A1 Automotive with their builds.
“Straightforward, honest, and the car feels transformed. They walked me through every step and the datalog review afterward gave me total confidence in the calibration.”
Marcus T.
2019 Mercedes-AMG C63 S
Stage 2 + TCU
“I've had this car tuned before and this is the first time it drives better than stock in every situation, not just wide open. The shifts are night and day.”
Daniel K.
2021 Mercedes-AMG E63 S
ECU + TCU + CPC
“Clean install work and a tune that actually drives well every day. No wild horsepower promises — just solid, professional results and a car I trust.”
Priya S.
2020 Mercedes-AMG GLC63
Downpipes + Stage 2
“They told me honestly what the car would and wouldn't gain before taking my money. That's rare. The result was exactly what they described.”
Andre L.
2018 Mercedes-AMG C43
Stage 1 ECU
From The Shop Floor
See the latest builds and behind-the-scenes on Instagram @a1automotivewerks.
Frequently Asked
We specialize in Mercedes-AMG and also work extensively on BMW, Audi, Porsche, and American performance vehicles including Chevrolet and Pontiac. If you're not sure whether we support your platform, request a quote and we'll confirm.
Our shop labor rate is $175 per hour. Custom and dyno tuning is often billed hourly, while most published tuning packages have a starting price. We'll always give you an estimate before any work begins.
Starting prices are a guide. Final pricing depends on your exact platform, current modifications, and goals. Request a quote for an accurate, itemized estimate.
Yes. For supported platforms with compatible flashing hardware, we offer remote tuning nationwide. You collect datalogs and we revise your calibration remotely.
No. We're transparent about this: power results vary with fuel quality, vehicle condition, modifications, weather, and testing equipment. We provide realistic estimates, not guarantees.
It depends on the tune. Stage 1 usually runs on a stock vehicle, while Stage 2 and flex-fuel calibrations require supporting hardware like downpipes or a flex-fuel kit. Each package lists its requirements.
Use the Request a Quote form or call the shop directly. We'll review your request, confirm details, and schedule your appointment.
Ready to get A1Tuned?
Tell us about your vehicle and your goals. We'll review your request and send an honest, itemized quote — no pressure, no hype.