Test and adjustment values for exhaust emission test I · ar0700p100002t · Mercedes-Benz WIS

AR07.00-P-1000-02T

Test and adjustment values for exhaust emission test I

Model 126 with CFI fuel injection system (electronic)

Model	126.020	126.024/025	126.034/035/046	126.036/037/044	126.038/039/045
Sales designation	260 SE	300 SE/SEL	420 SE/SEL/SEC	500 SE/SEL/SEC	560 SE/SEL/SEC
Engine	103.941	103.981	116.965	117.965	117.968
Version	RÜF	RÜF	RÜF	RÜF	RÜF
Idle speed rpm	650-750	600-700	600-750	600-750	600-750
Dwell angle (at idle speed) 1) normal ° TCI °	- -	- -	- -	- -	- -
Ignition angle without vacuum Engine speed rpm Fuel: Premium leaded °CRA before TDC Premium unleaded ° CRA before TDC Premium plus unleaded °CRA before TDC Regular unleaded °CRA before TDC Ignition angle with vacuum Engine speed rpm Fuel: Premium leaded °CRA before TDC Premium unleaded °CRA before TDC Premium plus unleaded °CRA before TDC Regular unleaded °CRA before TDC	- - - - - 650-750 7-11 7-11 - -	- - - - - 600-700 6-11 6-11 - -	- - - - - 600-750 14-18 14-18 - -	- - - - - 600-750 14-18 14-18 - -	- - - - - 600-750 14-18 14-18 - -

Model	126.020	126.024/025	126.034/035/046	126.036/037/044	126.038/039/045
Sales designation	260 SE	300 SE/SEL	420 SE/SEL/SEC	500 SE/SEL/SEC	560 SE/SEL/SEC
Engine	103.941	103.981	116.965	117.965	117.968
Version	RÜF	RÜF	RÜF	RÜF	RÜF
Exhaust level (at idle speed) CO % by vol. CO upstream TWC 2) % by vol.	1.00.5 -	1.00.5 -	1.50.5 -	1.50.5 -	1.50.5 -
Use of harder valve seat rings as of engine end no. manual transmission automatic transmission date	Production start-up	Production start-up	Production start-up	Production start-up	Production start-up

1) Figure underlined is the setting.
2) Perform CO measurement and setting upstream of catalytic converter only if e.g. the max. permissible CO level at
exhaust tailpipe is exceeded during emissions test.

Model	126.039/045
Sales designation	560 SEL/SEC
Engine	117.968 (220kW)
Version	Standard
Idle speed rpm	600-750
Dwell angle (at idle speed) 1) normal ° TCI °	- -
Ignition angle without vacuum Engine speed rpm Fuel: Premium leaded °CRA before TDC Premium unleaded ° CRA before TDC Premium plus unleaded °CRA before TDC Regular unleaded °CRA before TDC Ignition angle with vacuum Engine speed rpm Fuel: Premium leaded °CRA before TDC Premium unleaded °CRA before TDC Premium plus unleaded °CRA before TDC Regular unleaded °CRA before TDC	3500 242 (1) 182 (4) 242 (1) - - - - - -

Model	126.039/045
Sales designation	560 SEL/SEC
Engine	117.968 (220kW)
Version	Standard
Exhaust level (at idle speed) CO % by vol. CO upstream TWC 2) % by vol.	1.50.5 -
Use of harder valve seat rings as of engine end no. manual transmission automatic transmission date	Production start-up

1) Figure underlined is the setting.
2) Perform CO measurement and setting upstream of catalytic converter

only if e.g. the max. permissible CO level at exhaust tailpipe is exceeded during emissions test.

Reference resistor setting for ignition
(1) Premium leaded
(4) Premium unleaded