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Discussion Starter #1
Hi could anyone tell me how many brake wear sensors there are on a 2005 slk200 R171
I am about to change all the discs and pads front and rear so wanted to change sensors at same time as the brake wear message is on the console
Cherrs in advance Dave

Premium Member 2007 SLK350
826 Posts
Hi. Just done mine and there was just one on the front and one on the rear.

Super Moderator UK SLK 55 AMG 2007
26,124 Posts
Welcome from Wirral, England.


First please update your location and vehicle
(Put Looking!)(year?: 1996-2017, model?: 32, 200, 230, 250, 280, 300,320,350,55)
in your profile as it helps the members answer your questions which usually are based on that information.
This takes about 30 seconds to do.

Follow exactly to update:
‘Usercp’ at the top of page,
then ‘edit your details’ on the left side,
‘additional information’ near the bottom,
edit your ‘location’ and ‘vehicle’.
Info in your garage does not update your profile.

The reason that we ask you to update vehicle/location details
is to save repeating the same information every time that you ask a question.

Also, this site is truly worldwide. That can matter when you ask for help and information.

Are you looking for a bonnet, or a hood, a boot, or a trunk? Makes a difference.

Driving on the left, or the right?


We have a free to enter monthly competition.
Entry is normally open from the 1st to the 15th of every month. You simply post a reply with 3 photos.
After the 15th we usually open a poll for members to vote on their favourite.
Here's the main thread:
New members are welcome to enter (and they win too!).
March winner (an R170) joined Summer 2017 and had only 6 posts at the time of winning.
Newbies can win.

Voting is open for the 2018 June Ride of The Month.
PLEASE NOTE :- Voting closes on June 15th 4:00 pm edt.​

Really useful links (thanks to ixions cataloguing) Includes diy videos.
Spare parts:

A brief guide to the forum and how to get the best from it:

There's a link to R170/171/172's do it yourself threads under the pic below.

Some useful tips in this section for new and prospective owners.
Worth knowing are reset adaptive learning, check list, Spring is here and what is the SmartTop.

You can find your region by scrolling down the page on this link
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