DELPHI Lambda zonde ES21236-12B1

Compatible with MERCEDES-BENZ CLS (C218) , MERCEDES-BENZ C-CLASS (W204) , MERCEDES-BENZ SLK (R172) Show more info
High-quality Lambda zonde from DELPHI. Ensures optimal engine performance and fuel efficiency.
34.91 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (15.05.2026)
PN ES21236-12B1
Make DELPHI
EAN 5012759577110

This Lambda zonde from DELPHI, part code ES21236-12B1, is designed to provide accurate exhaust gas measurements. It plays a crucial role in your vehicle's engine management system, helping to maintain the correct air-fuel ratio for efficient combustion. Proper functioning of the Lambda zonde is essential for reducing harmful emissions and ensuring your vehicle meets environmental standards. By precisely monitoring oxygen levels, this component allows the engine control unit (ECU) to make real-time adjustments, leading to improved fuel economy and smoother engine operation. Crafted with durable materials, the DELPHI Lambda zonde ES21236-12B1 is built to withstand the demanding conditions within the exhaust system. Trust DELPHI for reliable performance and longevity, ensuring your vehicle runs at its best.

  • Direct fit for specified applications
  • Ensures accurate air-fuel ratio monitoring
  • Contributes to reduced emissions
  • Improves fuel efficiency
  • Enhances overall engine performance
  • Durable construction for longevity
  • Manufactured by DELPHI
  • Part code: ES21236-12B1
Cable length [mm]
410
Oxygen sensor
Wideband lambda sensor
Oxygen sensor
with heating
  • MERCEDES-BENZ
    • CLS (C218)
      • CLS 350 (218.359) (225kW/306PS)
      • CLS 400 (218.361) (245kW/333PS)
    • C-CLASS (W204)
      • C 350 (204.057) (225kW/306PS)
      • C 350 4-matic (204.088) (225kW/306PS)
      • C 300 4-matic (204.080) (185kW/252PS)
    • SLK (R172)
      • 350 (172.457) (225kW/306PS)
    • SL (R231)
      • 63 AMG (231.474) (395kW/537PS)
      • 500 (231.473) (320kW/435PS)
      • 350 (231.457) (225kW/306PS)
      • 63 AMG (231.474) (415kW/564PS)
      • 63 AMG (231.474) (430kW/585PS)
      • 400 (231.465) (245kW/333PS)
      • 500 (231.473) (335kW/455PS)
      • 400 (231.466) (270kW/367PS)
      • 63 AMG (231.474) (420kW/571PS)
    • E-CLASS Coupe (C207)
      • E 300 (207.355) (185kW/252PS)
      • E 350 (207.359) (225kW/306PS)
      • E 350 4-matic (207.388) (225kW/306PS)
    • E-CLASS Kabriolets (A207)
      • E 300 (207.455) (185kW/252PS)
      • E 350 (207.459) (225kW/306PS)
    • E-CLASS T-Model (S212)
      • E 350 (212.259) (225kW/306PS)
      • E 350 4-matic (212.288) (225kW/306PS)
      • E 300 4-matic (212.280) (185kW/252PS)
      • E 300 (212.255) (185kW/252PS)
    • E-CLASS (W212)
      • E 350 4-matic (212.088) (225kW/306PS)
      • E 350 (212.059) (225kW/306PS)
      • E 300 (212.055) (185kW/252PS)
      • E 300 4-matic (212.080) (185kW/252PS)
    • GLK-CLASS (X204)
      • 350 4-matic (204.988) (225kW/306PS)
    • B-CLASS Sports Tourer (W246, W242)
      • B 180 (246.242) (90kW/122PS)
      • B 200 (246.243) (115kW/156PS)
      • B 220 4-matic (246.247) (135kW/184PS)
      • B 250 (246.244) (155kW/211PS)
      • B 200 Natural Gas Drive / B 200 c (242.848) (115kW/156PS)
      • B 250 4-matic (246.246) (155kW/211PS)
      • B 160 (246.241) (75kW/102PS)
    • C-CLASS T-Model (S204)
      • C 350 CGI (204.257) (225kW/306PS)
    • CLA Coupe (C117)
      • CLA 250 4-matic (117.346) (155kW/211PS)
      • CLA 45 AMG 4-matic (117.352) (265kW/360PS)
      • CLA 180 (117.342) (90kW/122PS)
      • CLA 200 (117.343) (115kW/156PS)
      • CLA 250 (117.344) (155kW/211PS)
      • CLA 250 (117.350) (160kW/218PS)
      • CLA 250 4-matic (117.351) (160kW/218PS)
      • AMG CLA 45 4-matic (117.352) (280kW/381PS)
      • CLA 220 4-matic (117.347) (135kW/184PS)
      • CLA 200 (117.343) (110kW/150PS)
    • A-CLASS (W176)
      • A 180 (176.042) (90kW/122PS)
      • A 200 (176.043) (115kW/156PS)
      • A 250 (176.044) (155kW/211PS)
      • A 45 AMG 4-matic (176.052) (265kW/360PS)
      • A 250 4-matic (176.046) (155kW/211PS)
      • A 220 4-matic (176.047) (135kW/184PS)
      • A 250 (176.050) (160kW/218PS)
      • A 250 4-matic (176.051) (160kW/218PS)
      • AMG A 45 4-matic (176.052) (280kW/381PS)
    • CLS Shooting Brake (X218)
      • CLS 350 (218.959) (225kW/306PS)
      • CLS 400 (218.965) (245kW/333PS)
      • CLS 400 (218.961) (245kW/333PS)
    • GLA-CLASS (X156)
      • GLA 200 (156.943) (115kW/156PS)
      • GLA 250 (156.944) (155kW/211PS)
      • GLA 250 4-matic (156.946) (155kW/211PS)
      • GLA 45 AMG 4-matic (156.952) (265kW/360PS)
      • GLA 180 (156.942) (90kW/122PS)
      • AMG GLA 45 4-matic (156.952) (280kW/381PS)
      • GLA 220 4-matic (156.947) (135kW/184PS)
      • GLA 200 (156.943) (110kW/150PS)
      • GLA 250 Flex (156.944) (155kW/211PS)
    • S-CLASS (W222, V222, X222)
      • S 400 4-matic (222.067, 222.167) (245kW/333PS)
    • CLA Shooting Brake (X117)
      • CLA 180 (117.942) (90kW/122PS)
      • CLA 200 (117.943) (115kW/156PS)
      • CLA 250 (117.944) (155kW/211PS)
      • CLA 250 4-matic (117.946) (155kW/211PS)
      • CLA 45 AMG 4-matic (117.952) (265kW/360PS)
      • CLA 250 4-matic (117.951) (160kW/218PS)
      • AMG CLA 45 4-matic (117.952) (280kW/381PS)
      • CLA 220 4-matic (117.947) (135kW/184PS)
    • E-CLASS (W213)
      • E 400 4-matic (213.071) (245kW/333PS)
      • AMG E 43 4-matic (213.064) (295kW/401PS)
      • E 450 4-matic (213.068) (270kW/367PS)
    • E-CLASS T-Model (S213)
      • E 400 4-matic (213.271) (245kW/333PS)
      • AMG E 43 4-matic (213.264) (295kW/401PS)
      • E 450 4-matic (213.268) (270kW/367PS)
    • G-CLASS (W463)
      • G 500 (463.260, 463.261) (310kW/422PS)
      • AMG G 63 (463.276, 463.277) (430kW/585PS)
      • AMG G 63 4x4² (463.280) (430kW/585PS)
0 Updated