Air and Fuel› Intake Manifolds and Components

RENNtech

82mm Throttle Body Upgrade M156

$3,945.00

SKU: 14.156.82MM

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The RENNtech 82mm Throttle Body Upgrade is a proprietary performance component designed for M156 engines in 63 AMG series vehicles. This upgrade offers a 22% increase in incoming air volume, leading to noticeable improvements in overall performance and throttle response. It is engineered in-house and features a machined billet aluminum housing with custom air velocity stacks.
Show original supplier description
The RENNtech 82mm Throttle Body Upgrade is a proprietary performance component engineered to enhance M156 engines found in 63 AMG series Mercedes-Benz vehicles. This upgrade significantly increases incoming air volume by 22%, which directly translates to a more responsive throttle and a noticeable boost in overall performance. The system is designed as a bolt-on component, requiring no modifications to the intake manifold for installation. Constructed with a machined billet aluminum housing and featuring custom-designed air velocity stacks, this throttle body assembly includes all necessary hardware and electrical connectors for a straightforward installation. It is engineered and designed in-house by RENNtech. This throttle body upgrade is compatible with a range of M156 engine vehicles, including the CLK 63 AMG (209), CLK 63 AMG Black Series (209), C 63 AMG (204), C 63 AMG (204, 2012+), C 63 AMG Black Series (204), CLS 63 AMG (219), E 63 AMG (211), E 63 AMG (212), CL 63 AMG (216), S 63 AMG (221), SL 63 AMG (230), and ML 63 AMG (164).

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRENNtech
Part Number14.156.82MM
CategoryAir and Fuel
5,000+ Trusted brands
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(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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