Exhaust Flap Actuator Spring Repair Kit – Evoque & Mercedes

Hearing a rattling noise from your exhaust, or seeing an exhaust actuator error code on your dashboard? Don't pay dealer prices for a full actuator replacement — fix it yourself with this affordable Electronic Exhaust Flap Actuator Spring Repair Kit. Designed for vehicles equipped with active exhaust systems, this kit replaces the small steel spring inside the actuator that commonly breaks due to heat and wear over time.

Why Your Exhaust Rattle Happens

Vehicles with active exhaust systems use an electronic servomotor actuator to control a valve inside the exhaust pipe. A small coil spring assists in turning that valve. Over time, heat cycles and general wear cause this spring to fatigue and break — leading to an annoying rattle and/or a check engine light related to the exhaust actuator. The dealership typically replaces the entire actuator unit, which can be costly. This repair kit lets you replace just the spring, saving you significant money.

Product Highlights

• Direct Replacement: Restores proper exhaust valve operation and eliminates rattle noise
• Steel Construction: Corrosion-resistant steel spring built to withstand exhaust system heat
• Easy Installation: Straightforward DIY repair — no need to replace the entire actuator
• Rear Placement: Designed for rear exhaust actuator fitment
• Cost-Effective Fix: A fraction of the cost of a full actuator or dealer repair

Compatible Vehicles

Land Rover

• Land Rover Range Rover Evoque 2018–2021

Mercedes-Benz

• CLA45 | GLA250 / GLA45 | GLC43 / GLC63
• G550 / G63 | SLC43 | SLK55
• C450 / C43 / C63 | E53 / E63
• GLE53 / GLE63 | S63 | AMG GT | CLS

OEM Part Numbers (Mercedes-Benz)

176-906-05-01 | 172-906-50-00 | 190-906-45-00 | 2909064000 | 2909064100 | 2139068102 | 2229067503 | 190-906-45-04

Specifications

• Material: Steel (Corrosion Resistant)
• Placement: Rear
• Made in: Mainland China

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For general guidance on vehicle maintenance and safety, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety information.

Frequently Asked Questions

Q: Will this exhaust flap actuator spring repair kit fit my Land Rover Range Rover Evoque 2018–2021?

A: Yes, this spring repair kit is specifically designed to be compatible with the Land Rover Range Rover Evoque (2018–2021) as well as a wide range of Mercedes-Benz models equipped with an active exhaust system. Always verify your OEM part number before purchasing to ensure compatibility.

Q: How do I know if my exhaust actuator spring is broken?

A: The most common symptoms of a broken exhaust flap actuator spring include a rattling or clattering noise coming from the rear of the vehicle (especially at idle or low RPM) and/or an engine warning light or fault code related to the exhaust actuator valve. These symptoms typically appear after extended use due to heat-induced metal fatigue.

Q: Is this a DIY-friendly repair, or do I need a mechanic?

A: This kit is designed for easy installation and is suitable for confident DIYers with basic mechanical knowledge. Replacing just the spring is far simpler and more cost-effective than swapping out the entire actuator assembly. However, if you are unsure, consulting a qualified mechanic is always recommended.

Q: Why should I replace just the spring instead of the whole actuator?

A: The spring is almost always the only component that fails in the exhaust actuator system. Dealers typically replace the entire actuator because the spring is not sold separately as an OEM part — but that makes the repair unnecessarily expensive. This kit provides the exact replacement spring so you can restore full function at a fraction of the cost.