DELPHI Lambda zonde ES21295-12B1

Compatible with MERCEDES-BENZ C-CLASS (W204) , MERCEDES-BENZ C-CLASS T-Model (S204) , MERCEDES-BENZ B-CLASS Sports Tourer (W246, W242) Show more info
Enhance your vehicle's performance and efficiency with this high-quality Lambda zonde from DELPHI. Engineered for precise air-fuel ratio measurement, ensuring optimal combustion.
81.31 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (15.05.2026)
PN ES21295-12B1
Make DELPHI
EAN 5012759577707

The DELPHI Lambda zonde, part number ES21295-12B1, is a critical component for modern engine management systems. It accurately measures the oxygen content in the exhaust gases, providing essential data to the engine control unit (ECU). This precise measurement allows the ECU to adjust the fuel injection and ignition timing in real-time, optimizing the air-fuel ratio. Achieving the correct ratio is vital for maximizing fuel economy, reducing harmful emissions, and ensuring smooth engine operation. Crafted with durable materials and subjected to rigorous testing, this Lambda zonde is built to withstand the demanding conditions within the exhaust system. Its reliable performance contributes to maintaining your vehicle's peak efficiency and compliance with emission standards.

  • Direct fit for seamless installation.
  • Ensures accurate air-fuel ratio control.
  • Optimizes fuel combustion for better efficiency.
  • Contributes to reduced emissions.
  • Durable construction for long service life.
  • Designed for reliable and consistent performance.
  • Manufactured by DELPHI, a trusted name in automotive parts.
Cable length [mm]
615
Oxygen sensor
Wideband lambda sensor
Oxygen sensor
with heating
  • MERCEDES-BENZ
    • C-CLASS (W204)
      • C 180 CDI (204.000) (88kW/120PS)
      • C 200 CDI (204.001) (100kW/136PS)
    • C-CLASS T-Model (S204)
      • C 200 CDI (204.201) (100kW/136PS)
      • C 180 CDI (204.200) (88kW/120PS)
    • B-CLASS Sports Tourer (W246, W242)
      • B 180 CDI (246.200) (80kW/109PS)
      • B 200 CDI (246.201) (100kW/136PS)
      • B 220 CDI / d (246.203) (125kW/170PS)
    • E-CLASS T-Model (S212)
      • E 200 CDI / BlueTEC (212.205, 212.206) (100kW/136PS)
    • E-CLASS (W212)
      • E 200 CDI / BlueTEC (212.005, 212.006) (100kW/136PS)
    • GLK-CLASS (X204)
      • 200 CDI (204.901) (105kW/143PS)
    • A-CLASS (W176)
      • A 200 CDI (176.001) (100kW/136PS)
      • A 220 CDI (176.003) (125kW/170PS)
    • CLA Coupe (C117)
      • CLA 220 CDI / d (117.303) (125kW/170PS)
      • CLA 220 CDI / d (117.303) (120kW/163PS)
      • CLA 200 CDI (117.301) (100kW/136PS)
      • CLA 220 CDI / d (117.303) (130kW/177PS)
MERCEDES-BENZ
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