E63 S AMG Modifications and Accessories

The Mods section is broken into sections Internal, External, Engine Tuning and Exhaust Modifications.

AMG and Genuine Accessories:

Internal Accessories:

AfterMarket Rotary Tweeter - $380

  • Still waiting on information on this mod. For this reason we have not linked it. We should have more info in the next week or so.

External Accessories:

Carbon Fiber Parts:


Engine Tuning:

ECU Tunes

Weistec ECU Upgrade - $2950

  • Improved Throttle Response
  • Optimized Fuel, Spark, and Boost
  • 50+ Wheel Horse Power Peak to Peak Gains with Air Filters
  • Up to 75HP gains in the mid range
  • Start Stop Disabled (for Race Vehicles)

RENNtech ECU Tune - $3495

  • We have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.
  • Power gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.
  • Numbers published by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.
  • Our numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.


Piggy Back Systems

Turbo/cooling upgrades:



RENNtech Hand-Held Suspension Module $1495

  • The RENNtech Hand-Held Suspension Module (HSM) is designed to work with the W213 - E-Class Sedan, equipped with the Mercedes Airmatic and Magic Body Control Suspensions.The unit allows the user to have full control over all four corners of the vehicle’s suspension and adjust in 1mm increments.

  • The HSM comes pre-loaded with a RENNtech lowering setting. User can load their custom setting onto the HSM to set the vehicle to their preffered ride height.

  • The desired lowering setting will be loaded onto the vehicle via the ODB2 port in the footwell of the car. After plugging the HSM into the ODB2 port, the user can toggle a switch to load the factory or the adjusted ride height. After a few seconds, the new setting is uploaded and the car will adjust to the new height.

  • The factory setting will always be stored on the HSM and the user can set the vehicle back to the factory setting.

  • Once the settings are loaded, simply unplug and store for future use.


Blow off Valves

RENNtech Blow-Off Valves - $360

  • The full set comes with 2 BOV adapters, 4 o-rings, 6 stainless steel bolts and an allen-wrench. The BOV adapters work perfectly in combination with the RENNtech ECU Upgrade, due to the adjustments to the electronic OEM diverter valves.


Weistech Blow-Off Valves - $249

  • 100% Bolt-On Solution
  • No Check Engine Light
  • Easy 30 Minute Installation
  • CNC Machined Aluminum
  • Anodized to Military Spec
  • Engineered and Manufactured in USA

Exhaust Systems:

RENNtech 200 Cell Down Pipes - $4680


  • RENNtech Downpipes are constructed from 304 High-Strength Stainless Steel and are equipped with 200 Cell Sport Catalytic Converters.
  • The Downpipes in the pictures are shown prior to ceramic coating in order to present the craftsmanship of these hand made products.With the replacement of the stock downpipes we improve performance, reduce back pressure, increase initial turbo spooling and enhance sound output.
  • RENNtech products are manufactured to perfectly match the stock E63 AMG exhaust system and include all necessary mounting hardware and clamps.
  • Our downpipes are designed and manufactured at the RENNtech Headquarters in Stuart, Florida.

Additional 3rd Party Accessories:

radar detectors

  • Valentine 1 $399 - This radar detector has been on the market for years and is viewed as one of the best radar detectors on the market under $500

Escort Passport Max 360 $649 - Another great radar detector we suggest calling in however as we have been able to score $50 off when chatting with someone for a few minutes

Laser jammers

  • AL Priority $749-$1599 - This jammer is upgradable and provides the best protection according to numerous sources. They are marketed as parking sensors

Dash cameras


Blackvue DR650GW 2 Channel - Great Camera with great software for the computer however the mobile app has issues. We have an installation guide available, Blackvue How to Guide, and a review will be up shortly.