The Mercedes-Benz E(207) engine is difficult to start, how to solve it?

Vehicle information

Model: E (207)

Vehicle age: 4 years

Mileage: 20000KM

Engine model: 274920

Gearbox model: 722.995

Vehicle condition: No installation and modification

Fault phenomenon

The vehicle is difficult to start, and the engine malfunctions light Alarm, fault code: P001685-The position of the intake camshaft is not credible compared with the position of the crankshaft. A signal is higher than the allowable limit value. P001177-The position of the intake camshaft deviates from the standard value and cannot reach the specified position.

The vehicle will start after being parked for a long time, and it will make a 'click' sound when it starts, and it will disappear after a few seconds.

After a steady start, the engine runs normally.

Diagnostic process

Check the engine oil level, and the measurement result is normal.

According to the fault code guide, check the actual value status of the camshaft, and found that the actual value of the intake camshaft is 35.2 degrees, which exceeds the standard value (36.3 degrees-51.3 degrees).

Disassemble the valve cover and found that the intake camshaft timing position is offset.

Possible cause

The position of the camshaft adjusting wheel is offset.

Maintenance plan

The failure of replacing the intake camshaft adjusting wheel disappeared.

The single most important quality you'll need as Quanzhou Yisheng Machinery Co.,Ltd. is 'stick-to-it-iveness' or grit, a combination of perseverance, patience and adaptability.
Quanzhou Yisheng Machinery Co.,Ltd. trusts our colleagues as valuable members of our performance camshaft and pledge to treat one another with loyalty, respect and dignity.
We are professional in manufacturing performance camshaft, and always emphasize the technology and quality during the producing procedure.
Forging an tight connection starts with understanding your potential customers and catering to their needs on performance camshaft, both with a quality product and impactful best camshaft manufacturer.