Arnott Industries C-3698 front rear air spring to coil spring conversion kit for the 2008-2009 Mercedes-Benz E300 and other vehicles replaces the air springs with steel coil springs. It converts the active suspension to a passive one.
- Shock absorbers custom valved by Arnott for comfort and handling
- Powder-coated steel coil springs
- CNC-machined aluminum seats
- Patented Electronic Bypass Module (U.S. Pat. No. 9,329,917) designed to disarm the Airmatic system and eliminate dash panel error lights
Quick facts
- Part: Arnott Industries C-3698 air spring to coil spring conversion kit
- Fits: 2008-2009 Mercedes-Benz E300 and other vehicles
- Position: Front and rear
- Material: Steel springs
- Condition: New
A corner that sags, a lowered ride height or an Airmatic warning light can mean the air springs are worn, though a failing air compressor or a height sensor can produce the same signs, so find the cause before replacing anything.
Fits
This kit swaps air springs for coil springs on the 2008-2009 Mercedes-Benz E300, the 2006-2009 Mercedes-Benz E350 and the 2007-2009 Mercedes-Benz E550, and each takes one kit that covers front and rear. If your Mercedes-Benz is not named here, look up its year and model in the "Vehicles it fits" section on this page.
Specifications
Fit and size
- Position: Front and rear
- Quantity per vehicle: 1
- Spring load: 4063.994 lb
Build and materials
- Spring type: Compression, open at both ends
- Spring material: Steel
- Seats: CNC-machined aluminum
- Suspension after conversion: Passive
- Grade: Standard replacement
- Condition: New
- Country of origin: United States
In the box
Steel coil springs, custom valved shock absorbers, CNC-machined aluminum seats and the Electronic Bypass Module.
Installation notes
- Pre-assembled for easy installation.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is the Arnott C-3698 conversion kit right for a 2006-2009 Mercedes-Benz E350?
Yes. Arnott Industries C-3698 is listed for the 2006-2009 Mercedes-Benz E350, and one kit covers both the front and rear of the car.
What does the Electronic Bypass Module in this kit do?
The patented module (U.S. Pat. No. 9,329,917) is designed to disarm the Airmatic system, so error lights on the dash panel are eliminated.
What kind of springs and shocks come with the Arnott Industries C-3698 kit?
The springs are powder-coated steel compression coils with open ends. The shock absorbers are custom valved by Arnott.
Does this air to coil conversion kit come pre-assembled?
Yes. Arnott Industries C-3698 comes pre-assembled for easy installation.
How can I tell the air springs on my car are worn?
A car that leans to one side or rides lower than usual can signal worn air springs. A shop can test the air suspension to confirm.
