Intermittent problems in ESP and Collision Prevention Assist for W205

[Hannah_Baker2000]

Good morning,


I own a 2016 W205 C 250 BlueTEC.

I am experiencing intermittent difficulties with ESP errors, which are increasingly frequent, and occasional faults with the Collision Prevention Assist system. The issues vanish immediately upon restarting the vehicle, and I may not encounter them again for another 200 to 300 miles.

The Collision Prevention Assist malfunctions seem to correlate with the Stop/Start feature exhibiting erratic behavior, as seen by the screen flickering between green and yellow.

Could this be a problem with the voltage regulator or stabilizer? I have had the automobile for around four years without any alterations, and I also see no indications that it has ever been modified.

[MercedesFan2022]

An ineffective batter may be accountable for erratic malfunctions, such as those you delineate.

If the battery is original, it is likely time for replacement.

[Hannah_Baker2000]

Thank you, I replaced the battery around two years ago with an aftermarket 115 Rombat AGM Start/Stop battery.

CCA (EN) 800

Voltage: 12 volts; Capacity: 80 amp-hours

Is the battery of insufficient quality?

[Jacob_Evans2001]

Authentic batteries are superior. To eliminate any uncertainty, it is essential to connect it to a Xentry machine for precise diagnostics.

[Hannah_Baker2000]

Thank you.

I am unable to send you a private message due to my newness, however you are rather close to me; I reside in Alton. Could you please give me a private message on the pricing for an evaluation?

[MercedesFan2022]

It is indeed feasible. Could you arrange for someone to assess the battery?

[Sarah_Jane1980]

Charge it for 24 hours and assess the outcome.

It is possible that you own the auxiliary capacitor pack for the stop-start system. Beneath the glove compartment

[MercedesFan2022]

Uncertain if you are able to receive messages. Simply reach out to him via his firm.

[MercedesFan2022]

https://www.prestigecarservice.co.uk/