Control Arm Front W221 for Mercedes-Benz

High-quality front lower control arm engineered to OE-equivalent specifications for the Mercedes-Benz S-Class W221 (SWB) / V221 (LWB). Restores correct suspension geometry, sharp steering response, and quiet ride. Arm is corrosion-protected and supplied pre-assembled with bushings and ball joint for a straightforward, professional installation.

Key Features:

• OE-Equivalent Geometry: Matches Mercedes factory dimensions and mounting points for precise camber/caster and tracking.

• Durable Construction: Forged/stamped high-tensile arm with anti-corrosion coating for long service life.

• Pre-Assembled: Pressed-in rubber bushings + ball joint included—no press work required.

• Direct Bolt-On: Installs to original pickup points; reuses OE hardware (or replace with new OE-spec fasteners).

• Ride & Safety Restored: Eliminates knocks, vibration, and uneven tyre wear from worn joints.

Compatibility (Front Lower – choose Left or Right):

• S-Class Sedan (W221 – SWB, V221 – LWB) — 2006–2013

• Engines/trims: S300/S350/S450/S500/S550/S600, diesels, and selected AMG variants.
  Notes: Some versions differ by AIRMATIC vs. ABC suspension and by brake/engine package. AMG S63/S65 may use model-specific arms. Verify by VIN before purchase.

Related Part Numbers (cross-refs):
Typical Mercedes ranges: A221-330-xx-xx (suffix varies by side, suspension type, and market).
Confirm exact PN by VIN and compare with the number stamped on your original arm.

What’s Included:

• Included: 1× front lower control arm

Installation Notes (Pro Tips):

• Tighten bushing bolts with the vehicle at normal ride height to prevent premature bushing twist/wear.

• Perform a four-wheel alignment after installation (camber/caster/toe).

• Inspect stabiliser links, tie-rod ends, and upper arms; replace any worn components.

• Follow factory torque specs; avoid reusing deformed/stretch bolts.

Symptoms This Fixes:
Clunking over bumps • Steering wander/shimmy • Uneven inner tyre wear • Vibration under braking • Poor straight-line stability.

Why Choose TOParts:
OEM-quality Mercedes suspension components engineered for precise fitment, durability, and workshop-friendly installation—trusted by Mercedes specialists across South Africa.

Q&A

Q1: Are these OEM or aftermarket?
A1: OEM-equivalent parts built to meet or exceed factory performance and fitment.

Q2: Sold individually or as a pair?
A2: Individually—order Left (driver) or Right (passenger) as needed.

Q3: Will this fit ABC-suspension or AMG models?
A3: Many do, but ABC/AMG variants can differ. Confirm the exact part by VIN to ensure correct geometry and bushing spec.

Q4: Is alignment required afterward?
A4: Yes. Alignment is essential to set geometry correctly and protect tyres.