Active Blind Spot Assist and Active Lane Keeping Assist Inoperable

design4p

New Member
Joined
Jan 15, 2021
Messages
4
Reaction score
0
Your Mercedes
GLC 2016 2200 diesel
Hi,

Mercedes GLC 2200 2016 diesel

I have these error messages - Active Blind Spot Assist and Active Lane Keeping Assist Inoperable.

My local garage has checked for fault codes but nothing showed up.

Any assistance would be most welcome.

Regards John
 

Blobcat

Moderator
Joined
Feb 8, 2006
Messages
39,127
Reaction score
28,028
Location
Grange Moor
Your Mercedes
R171 SLK280, Smart R451, Land Rover 110 County SW, 997 C2S, R1250 GSA TE 40th, CBR600FP
Hello and welcome

Clean all the sensors
 

robin.large

Senior Member
Joined
Sep 11, 2019
Messages
394
Reaction score
343
Your Mercedes
CLS C63 AMG 2013
And the camera area at top of windscreen!

Sent from my ONEPLUS A5010 using Tapatalk
 

barian

Senior Member
Joined
Feb 1, 2013
Messages
81
Reaction score
51
Location
Woking
Your Mercedes
S213 E220d
I may be mistaken, but I think the Active Blind Spot Assist uses radar sensors in the rear bumper, so I am not sure what there is to clean. Lane keeping will use the windscreen camera. Odd that both occurred together when they use different sensors?
 

Blobcat

Moderator
Joined
Feb 8, 2006
Messages
39,127
Reaction score
28,028
Location
Grange Moor
Your Mercedes
R171 SLK280, Smart R451, Land Rover 110 County SW, 997 C2S, R1250 GSA TE 40th, CBR600FP
I may be mistaken, but I think the Active Blind Spot Assist uses radar sensors in the rear bumper, so I am not sure what there is to clean. Lane keeping will use the windscreen camera. Odd that both occurred together when they use different sensors?
Salt build up in front of sensors in the bumper and traffic film/grease/salt on the screen
 
OP
D

design4p

New Member
Joined
Jan 15, 2021
Messages
4
Reaction score
0
Your Mercedes
GLC 2016 2200 diesel
  • Thread Starter
  • Thread starter
  • #6
Hi,

Thank you for the assistance - I have cleaned all the sensors around the car but I will repeat the cleaning job.

I've not looked at the front camera so that is on the cleaning list.

The Blind spot fault occurred first and a few days later the lane keeping fault appeared.

How many radar sensors are there?

John
 

Srdl

Senior Member
Joined
Oct 8, 2015
Messages
7,190
Reaction score
6,030
Location
Hampshire
Your Mercedes
GLC43 AMG 2018 (X253)
Is your battery voltage good enough? Mercedes' systems are notoriously flakey if the battery isn't quite up to scratch and with cold weather and reduced use we have seen a number of strange faults on here recently.
 
OP
D

design4p

New Member
Joined
Jan 15, 2021
Messages
4
Reaction score
0
Your Mercedes
GLC 2016 2200 diesel
  • Thread Starter
  • Thread starter
  • #8
Hi,

Just checked the voltage of the battery and it was 12.15v

The car (and battery) is 5 years old in March 2021.

Would be good to have Srdl's opinion on the battery status ie should I invest in a new battery?

John
 

Blobcat

Moderator
Joined
Feb 8, 2006
Messages
39,127
Reaction score
28,028
Location
Grange Moor
Your Mercedes
R171 SLK280, Smart R451, Land Rover 110 County SW, 997 C2S, R1250 GSA TE 40th, CBR600FP
Hi,

Just checked the voltage of the battery and it was 12.15v

The car (and battery) is 5 years old in March 2021.

Would be good to have Srdl's opinion on the battery status ie should I invest in a new battery?

John
12.15 is too low...12.4 as a good minimum when sat.
 
OP
D

design4p

New Member
Joined
Jan 15, 2021
Messages
4
Reaction score
0
Your Mercedes
GLC 2016 2200 diesel
  • Thread Starter
  • Thread starter
  • #10
Hi All,

Thank you for the assistance - As Blobcat and Srdl have mentioned the battery.

I have now ordered a new Varta Battery (the same as the on from new).

Regards John
 

Srdl

Senior Member
Joined
Oct 8, 2015
Messages
7,190
Reaction score
6,030
Location
Hampshire
Your Mercedes
GLC43 AMG 2018 (X253)
Hi All,

Thank you for the assistance - As Blobcat and Srdl have mentioned the battery.

I have now ordered a new Varta Battery (the same as the on from new).

Regards John
Good decision and I’m glad Blobcat gave you the technical answer you were seeking. I just know of the problems that low battery voltage can cause but I haven’t a clue what is actually a low figure!
 


www.W140.co.uk&www.r129.co
Specialist in parts for W140 and R129 Mercedes-Benz models.
Top Bottom