Remove/install exhaust gas recirculation (AGR) differential pressure sensor · ar1420p2000mrd · Mercedes-Benz WIS

AR14.20-P-2000MRD

Remove/install exhaust gas recirculation (AGR) differential pressure sensor

13.03.2018

Engine	274.9 in model 213
	with code 920 (Direct petrol injection with stratified charging)
Engine	274.9 in model 238
	with code 920 (Direct petrol injection with stratified charging)

Remove/install exhaust gas recirculation (AGR) differential pressure sensor

Shown on model 213.042

B5/5	Exhaust gas recirculation pressure sensor 1
B5/6	Exhaust gas recirculation pressure sensor 2

P14.20-2368-06

 Warning	Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.	AS49.00-Z-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
 	Remove/install
1	Remove upper engine cover	 Installation: Only install upper engine cover after the leak test.
2	Release and disconnect electrical connection for respective EGR pressure sensor 1 (B5/5) or EGR pressure sensor 2 (B5/6)
3	Unscrew EGR pressure sensor 1 (B5/5) or EGR pressure sensor 2 (B5/6) on exhaust gas recirculation valve (Y27/1) and remove upwards	 Sensor to exhaust gas recirculation valve	*BA14.20-P-1008-01O
4	Install in the reverse order
5	Read out and erase fault memory
		Engine 274.9 in model 238 with code 920 (Direct petrol injection with stratified charging)	AD00.00-P-2000-06LWO
		Engine 274.9 in model 213 with code 920 (Direct petrol injection with stratified charging)	AD00.00-P-2000-04B
 Warning	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
6	Perform an engine test run and check engine for proper operation and leaktightness
7	Install upper engine cover

 Exhaust gas recirculation

Number	Designation		Engine 274
BA14.20-P-1008-01O	Sensor to exhaust gas recirculation valve	Nm	25

Referenced documents

ad0000p200004b Connect STAR DIAGNOSIS and read out fault memory
ad0000p200006lwo Connect/disconnect diagnostic unit
ah0000p500001a Notes on avoiding damage through contamination and foreign objects
as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
as4900z000101a Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust.