Mercedes-Benz E-Class & CLS-Class Rear Air Spring Set A2123200725 A2123200825
Mercedes-Benz CLS, E-Class Rear Air Suspension Spring Set A2123204025, A2123203925
Mercedes-Benz CLS, E-Class Rear Air Suspension Spring Set A2123204025, A2123203925
Mercedes-Benz CLS, E-Class Rear Air Suspension Spring Set A2123204025, A2123203925
Mercedes-Benz E-Class & CLS-Class Rear Air Spring Set A2123200725 A2123200825
Mercedes-Benz CLS, E-Class Rear Air Suspension Spring Set A2123204025, A2123203925
Mercedes-Benz CLS, E-Class Rear Air Suspension Spring Set A2123204025, A2123203925
Mercedes-Benz CLS, E-Class Rear Air Suspension Spring Set A2123204025, A2123203925
Mercedes-Benz

Mercedes-Benz E-Class & CLS-Class Rear Air Spring Set A2123200725 A2123200825

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Specification Details
Manufacturer Part Number A2123200725 A2123200825
Note: If you have any inquiries about the fitment of the part, please send us the VIN of the vehicle and we will verify the fitment for you.
Handling Time: 1–7 business days for order processing before dispatch.
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Mercedes-Benz E-Class W212 & CLS-Class C218 – Rear Air Spring Set (Left & Right)

This listing covers a complete, side-specific rear air spring set for the Mercedes-Benz E-Class W212 and CLS-Class C218 chassis. These pneumatic bellows are directionally specific and cannot be interchanged.

  • Rear Left (Driver): OEM part number A2123200725
  • Rear Right (Passenger): OEM part number A2123200825

Note: These are standalone air bellows only. Unlike the front of the W212/C218 where the air spring and shock absorber are integrated into a single strut, the rear suspension separates the two components. This set replaces the pneumatic springs only, not the hydraulic shock absorbers.

When to Replace

  • Rear end sagging or sitting on the tires after parking overnight
  • Air compressor running continuously trying to maintain pressure
  • Harsh or bouncy ride from loss of pneumatic support
  • Airmatic malfunction warning on the dashboard

Why Replace as a Pair

Both bladders accumulate identical mileage and expansion cycles. A leaking left spring means the right has endured the same conditions and is equally at risk. Replacing as a matched set restores a level rear ride height and prevents a sudden failure from leaving the vehicle undriveable. Replacing the compressor relay simultaneously is strongly recommended if the compressor has been overworked due to a sustained leak.

Part Numbers & Interchange

Position OEM Part Number Cross-References
Rear Left A2123200725 2123200725 · A 212 320 07 25 · A2123204325 · A2123203925 · A2123200325 · A2123202125
Rear Right A2123200825 2123200825 · A 212 320 08 25 · A2123204425 · A2123204025 · A2123200425 · A2123202025

Vehicle Fitment

Model Chassis Years Variants
Mercedes-Benz E-Class W212 Sedan / S212 Wagon 2010–2016 E350, E400, E550, E63 AMG
Mercedes-Benz CLS-Class C218 / W218 2011–2018 CLS550, CLS63 AMG

Particularly common on S212 Wagons where self-levelling rear air suspension was standard. Always verify with your VIN before ordering.

What’s Included

  • 1× Rear Left Air Spring / Bellow – replaces A2123200725
  • 1× Rear Right Air Spring / Bellow – replaces A2123200825
  • Rear shock absorbers, air compressor, and compressor relay not included.

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Order Processing

Standard orders
1–7 days
Business days to dispatch
Custom & special orders
Varies
Based on sourcing & availability

For custom and special orders, we will contact you directly with an estimated timeframe before dispatch.

Estimated Delivery Times

All the orders (WORLDWIDE)
2–5 days
Business days after dispatch
Custom & special orders
Varies
Based on sourcing & availability

International delivery times are estimates and may be affected by customs clearance procedures in the destination country.

Shipping Rates

United Arab Emirates  Free Shipping


International Countries (Except UAE)
For all other destinations, rates are calculated by total order weight (1 kg = 2.205 lb):

Order Weight Rate (USD)
0 – 5 kg (0 – 11 lb) $60.00
5 – 10 kg (11 – 22 lb) $85.00
10 – 15 kg (22 – 33 lb) $100.00
15 – 20 kg (33 – 44 lb) $135.00
20 – 30 kg (44 – 66 lb) $175.00
30 – 40 kg (66 – 88 lb) $250.00
40 kg and above (88 lb+) $325.00

Planning a large purchase? Contact us before placing your order to ask about bulk shipping discounts.

Order Tracking

Once your order ships, you will receive a confirmation email with a tracking number. You can monitor your shipment through your Europarts360 account or directly on the courier's website (DHL, FedEx, UPS, etc.).

Customs, Duties & Taxes

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  • Please double-check your delivery details before placing your order to ensure a smooth delivery.

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