RennTech ECU Upgrade 1997-2003 Mercedes-Benz CLK 430 W208

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Brand: RennTechSKU / Part #: ECU:54.208.CLK430

Regular price: $965.15
Regular price: ~~$995.00~~
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RennTech ECU Upgrade 1997-2003 Mercedes-Benz CLK 430 W208

Subtotal: $965.15

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Overview

If you want more from the 1997-2003 CLK 430 without touching the hardware, this RennTech ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for this engine, raising power and torque through the full band and keeping the smooth manners the car left the factory with. RennTech rates the CLK 430 at up to 285 hp and 307 lb-ft with this upgrade, a gain of 10 hp and 12 lb-ft.

Features

Revised ignition timing, throttle mapping, air-fuel ratios and boost control
Gains across the entire rev range, not just at peak
Developed on RennTech's own dyno and road tested
Keeps factory-like drivability and reliability for daily use

What is included

RennTech calibration for your car
Delivery as listed by RennTech for this model (HHT tuner or ECU flash)

Specs

Part number	54.208.CLK430
RennTech rated output	285 hp / 307 lb-ft
Gain (RennTech)	+10 hp / +12 lb-ft

Fitment notes

For the CLK 430 (W208), 1997-2003 as listed by RennTech. Please include your VIN with the order so RennTech can confirm the exact application. Check the fitment table before ordering, and contact us if your car differs.

Fitment

Make	Model	Chassis	Year	Engine
Mercedes-Benz	CLK 430	W208	1997-2003	-

Fitment

Year	Make	Model

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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