Operation
Diesel engine
6.7.3 Power reduction SCR system
(applicable for c-diesel engine and d-diesel engine)
There are 3 types of targeted power reductions regarding the SCR system:
– Empty AdBlue-tank
– Violation of the permissible European or EPA limits/poor AdBlue
®
quality
– SCR system error (short circuit, faulty component, etc.)
Each of these events causes the warning lights on the R-Touch to flash or light, and
also a targeted power reduction is implemented.
DEF control light (Diesel Exhaust Fluid), AdBlue® warning.
LIM control light, diesel engine torque limiter is active.
CHECK engine warning light (AWL warning), check diesel engine.
STOP engine warning light, shut down diesel engine (performance reduced).
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