U1420 DTC For Mercedes Cls 350

Mercedes Cls 350 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :W-Type Engine
Engine Air Intake Process :Naturally Aspirated

Your Mercedes Cls 350 engine control system detects a problem, the computer stores the diagnostic trouble code U1420 in its memory. To figure out what is wrong with your vehicle you must first extract the U1420 DTC For Mercedes Cls 350.

To solve U1420 Mercedes Cls 350 problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

U1420 Mercedes Cls 350 DTC Meaning

U Network Code - Problem is climate control system, lighting, airbags, etc.
1 MFG - Manufacturer Specific
4 Fuel And Air Metering (Injector Circuit Malfunctions Only)
2 Cruise Control Servo Indicates Low
0 Transmission Engaged At High Throttle Angle

There are currently two main types of cylinder deactivation used today, depending on the type of engine. U1420 Mercedes Cls 350 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

U141E DTC (Previous DTC Code) ( Next DTC Code ) U1421 DTC
You can also check other Mercedes car models :
The listed Mercedes models will give information about U1420 DTC.