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BOSCH

0261520215

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SolenoidMercedes-Benz CGI Stratified Charged Gasoline InjectionEuro 56

BOSCH 0261520215 Pompe Haute Pression Mercedes C250 E250 1.8L M271 EVO CGI

Données de référence pour injecteur Common Rail Bosch 0261520215 · OEM A2710702201, 2710702201, A2710703501, 2710703501, A2710703701, 2710703701, 0261520216 · Application Mercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)
Plateforme moteur:Mercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860) →
RÉFÉRENCE OEA2710702201, 2710702201, A2710703501, 2710703501, A2710703701, 2710703701, 0261520216
SOUPAPE DE COMMANDEIntegrated Pulse-Width Modulated Electric Spill Valve (SCV)
NEZ D'INJECTEUR-
PRESSION DE SERVICE140 bar
NORME ANTIPOLLUTIONEuro 5 / Euro 6
GARANTIE12 Mois
01

Injecteurs compatibles

Réf. OEM
02

Compatibilité véhicules et motorisations

VéhiculeMoteurAnnées
Mercedes-Benz C-Class W204 C250 CGIMercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)2009-2014
Mercedes-Benz E-Class W212 E250 CGIMercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)2009-2016
Mercedes-Benz SLK-Class R172 SLK250Mercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)2011-2016
03

Spécifications techniques

SpécificationValeur
Type de systèmeBosch HDP-5 Mechanical Direct Injection High Pressure Pump
Pression de serviceSpéc. clé
Actuation MechanismExhaust Camshaft Twin-Lobe Mechanical Driven
Mounting Flange Torque12 N·m M6 Fasteners
High Pressure Line Torque28 N·m Flare Nut
Soupape de commandeSpéc. clé
Codes défauts fréquentsP0087 (Rail Pressure Low), P0171 (System Lean Bank 1), P0172 (Fuel Dilution Rich)
Workshop PrecautionInspect engine oil smell and level before replacing to prevent bearing damage from fuel dilution
04

Conseils de montage

  1. [
  2. {
  3. "step": 1,
  4. "title": "Depressurize Fuel Rail & Isolate High-Pressure Circuit",
  5. "instruction": "Pull fuel pump relay in rear fuse box and crank engine for 10 seconds. Verify scan tool low pressure fuel reading falls under 5 bar before cracking flare nuts."
  6. },
  7. {
  8. "step": 2,
  9. "title": "Inspect Engine Oil for Fuel Dilution",
  10. "instruction": "Pull oil dipstick. If oil level is elevated or smells strongly of gasoline due to internal plunger seal blowby, schedule immediate oil and filter change."
  11. },
  12. {
  13. "step": 3,
  14. "title": "Clean Cylinder Head Bore & Lubricate O-Ring",
  15. "instruction": "Clean mounting bore on cylinder head. Coat new Viton O-ring with clean engine oil. Never use silicone sealant on flange face."
  16. },
  17. {
  18. "step": 4,
  19. "title": "Torque Flange Fasteners Alternately",
  20. "instruction": "Position pump on cylinder head while camshaft is at base circle. Thread mounting bolts hand-tight, then torque alternately to 12 N\u00b7m."
  21. },
  22. {
  23. "step": 5,
  24. "title": "Connect High-Pressure Hard Line & Torque",
  25. "instruction": "Align high-pressure hard line square into pump discharge port. Finger-tighten fitting, then secure flare nut to exactly 28 N\u00b7m."
  26. }
  27. ]
05

Codes de Defaut (DTC) & Protocoles de Diagnostic

Codes de defaut diagnostiques (DTC) courants déclenchés lorsque cet injecteur common rail subit une usure, des pannes de circuit ou une dérive d'étalonnage:

P0087Critical

Fuel Rail / System Pressure Too Low

Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.

P0087 Guide →🧪 Backleak Calculator
P0201 - P0208High

Injector Circuit Malfunction / Open Circuit

Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.

P0201 Circuit Guide →
P0300 / P0301+High

Cylinder Misfire & Balancing Deviation

Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.

P0300 Misfire Protocol →💻 IMA Coding Tool📐 Washer Thickness
P0088High

Fuel Rail / System Pressure Too High

Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.

P0088 Guide →📊 Rail Pressure Converter
Consulter les 61 codes de defaut diesel dans notre hub d'atelier ->
PROTOCOLES D'ATELIER

Protocoles Techniques de Diagnostic & Réparation

Procédures d'atelier vérifiées, seuils de test et guides d'intervention pour cet ensemble.

DIAGNOSTIC COMMON RAIL D

Diagnostic Pompe Haute Pression: Code P0087 & Bosch CP4

Guide diagnostic pompe haute pression common rail: dépression, limaille CP4, usure pistons, prise d

Lire le protocole technique
DIAGNOSTIC COMMON RAIL D

Diagnostic Régulateur Débit IMV SCV & Test P0088 CR

Guide diagnostic régulateur de débit IMV / SCV / ZME: vanne NO vs NF, résistance bobine, cycle PWM, dépannage P0088 / P0089 et protocole de remplacement.

Lire le protocole technique
PROTOCOLE DE DIAGNOSTIC OBD-II

Guide de diagnostic P0087 : Pression de rampe trop basse

Protocole de diagnostic d

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DIAGNOSTIC TECHNIQUE COMMON RAIL

Diagnostic du clapet de décharge de rail : P0087 et calage

Guide de test du clapet de surpression de rampe commune (DBV/PRV). Diagnostic du calage à chaud, perte de pression P0087 et mesure de fuite au retour.

Lire le protocole technique