This high-quality Arnott rear left air suspension spring is a direct aftermarket replacement for OEM part number A2123202125. It is designed to restore correct ride height, ride comfort, and vehicle stability, meeting or exceeding original equipment performance standards.

Manufactured from reinforced high-strength rubber with precision-moulded components, this air spring delivers long-lasting durability and reliable performance. It helps eliminate rear suspension sagging, uneven ride height, and air suspension warning faults caused by worn or leaking air bags.

Key Features:

  • Rear air suspension spring (Left-hand side)

  • Aftermarket replacement for OEM part number A2123202125

  • Fits rear left / passenger side (RHD vehicles)

  • Designed for vehicles with factory rear air suspension

  • Restores correct ride height and ride quality

  • Durable, high-strength rubber construction

  • Direct fit replacement, no modification required

  • Arnott aftermarket replacement part number: A-2791

Compatible With:

  • Mercedes-Benz E-Class Saloon (W212)

  • Mercedes-Benz E-Class Estate (S212)

Year Range:
2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016

Fitment Note:
Only suitable for vehicles equipped with factory rear air suspension. Professional installation is recommended.

Shipping

We're committed to delivering fast, reliable shipping across New Zealand.

Most orders are processed within 24 hours (Monday to Friday) and shipped via overnight service for small items.

Larger items typically arrive within 1-2 business days.

You'll receive a tracking link as soon as your order is collected for delivery.

✅ Fitment Confirmation


European vehicles can vary significantly by build date, trim level, and factory options.
That’s why we ask for your rego at checkout.

Our team manually verifies every order against official manufacturer parts catalogues to ensure 100% correct fitment before dispatch.

You don’t need to decode VIN numbers or production splits — we handle the technical side for you.
To qualify for our 100% Fitment Guarantee, please provide your rego when ordering.

Orders placed without a rego or VIN cannot be covered under our Fitment Guarantee.

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