Monday, November 29, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 770


2.1.5. Check component G3/4 (Right O2 sensor, before TWC [KAT]).



Warning!Communication with ECU required.



2.1.6. Check component Y62 (Fuel injectors).



Safety note



Warning!Risk of explosion, poisoning and injury!Fuels are highly inflammable and toxic if inhaled. Fuels may cause skin damage. fuel vapors are



explosive, invisible and spread out at floor level, they are toxic if inhaled and produce giddiness and an anaesthetizing effect.Rules of conduct and



protective measures



- Wear suitable protective clothing.



- Pay attention to national safety precautions and regulations.



- No fire, sparks, naked flames and smoking.



- Ensure the work place is adequately ventilated.



- Never drain or pour in fuels over assembly pits.



- Store drained fuel in a suitable and sealed vessel.



- Immediately eliminate any fuel which has flowed out.



First-aid measures



- Clean moistened skin with water and soap.



- Change moistened clothing as quickly as possible.



- If fuel gets into your eyes, rinse out your eyes immediately with water and contact a doctor if necessary.



Test 2.1.6.1: Inspect component Injectors for leaks.



Test 2.1.6.2: Inspect operation and spray pattern of component Injectors.



2.1.6.1. Inspect component Injectors for leaks.



Figure legend



- 055Measuring beakerY62 (Fuel injectors)



Test sequence



- Switch off ignition.



- Remove fuel rail together with component Y62 (Fuel injectors).



- Connect socket box (35-pin) to component N3/10 (ME-SFI [ME] control unit).



- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).



- Bridge between socket (F.4) 100 of the 35-pole socket box tester and socket (F.17) 113 of the 126-pole socket box tester.



- Switch on ignition.



Specified value



- Component Y62 (Fuel injectors) must not drip.