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The heater in my W124 300CE-24 with factory aircon is hot on both sides, even when one dial is set cold. When both are cold, all is cold. Any suggestions from the brainy ones. My thanks in advance. RayH

This is an interesting one for the brainy boys. I bought my 1991 300CE-24 in 1997. And for the last 26 years it has suffered from occasional stalling. The engine starts immediately afterwards. In the early days, performance was good and has continued that way. Now, the car is even better after...

Hello All, I have posted this elswhere so sorry to bore the surfers. I have a leak from the right hand side (looking from the back) of the diff, where the drive shaft enters. We plan to renovate or replace the drive shafts as they approach 1/2 million Kms so that would be the time to solve the...

Hello All, Just replaced the bushing (Item 11 below). Please can someone advise the tightening torque. Thanks in advance. RayH

Hello all, And a challenge. 300CE24 5th gear disappeared again. What have I done to investigate this: Replaced microswitches under gear lever. Confident that all's OK here. Cleared 4 flash fault code: “Throttle valve switch (potentiometer) interrupted.” Drove 8 km to refuel and 5th has gone...

Hello All, This is a request for any ideas on what might be the cause of the THIRD (yes, 3rd) EZL failure in 12 months. My son and I will start some electrical diagnosis this morning but I would much appreciate any input from the clever chaps out there. Relevant information includes...

Hello all, My old 300CE is mechanically new but showing signs of age and use. I'd like it to look better and a respray is the answer. It has a few dents both in the metal and the plastic "Sacco" panels, but nothing serious. There is no corrosion. The emphasis must be on corrosion-resistance...

Well, that was satisfying. The 300CE absolutely sailed through the CT with many gasps of amazement from the chap in charge. He was well impressed with everything, especially the newly protected undersides, the brakes and the suspension. I noticed what appears to be a split in the cat. He...

Hello All. I am trying to trace a current drain associated with the comfort control circuit. If I unplug one connector from the Comfort Control Module (CCM), the current drain disappears. It’s a drop from close to 200 mA down to about 40 mA. Unplugging this connector disables the ability to...

I’ve just had 2 weeks at home doing some work on the interior. I found a chap not far from my son’s work place who’s breaking a '95 E220 (I think) coupé. My son took his van and €220 changed hands for a 90% complete interior. This - the original 300CE24 interior - is the sort of thing we...

Hello All, I plan to replace the seals on my coupé due to cracking and hardness leading to wind noise and possibly to ingress of water. I have now received the genuine MB seals and would like to do the job myself if there is little risk of making a complete hash of it. At nearly €500 for the 2...

I suppose this could equally be in the suspension area but I decided on here as there are so many engine-related improvements. If moderators wish to put this elsewhere, feel free. My 1991 300CE-24 Sportline was left at PCS in Horndean on Saturday the 13th May 2017. I collected it on Friday the...

Hello All, This is a pretty long shot but I need a: Knock Sensors part number: A0021537428 Does anyone, by chance, have this? My thanks in advance. RayH

Hello all, I am gathering all the parts I need to restore the lower reaches of my 300CE-24 Sportline. The EPC says I need: A1293511442 Rubber mounting (Rear subframe to frame floor - Sportline only) 2 off A1243506708 Repair kit (Mounting parts) 1 off One apparently gets enough for...

I read a post not long ago where someone said that a seat cover from MB was around £175. That set me looking for one for my 300CE-24. Googling part number A1249102746 brought up €730 list and €530 discount from GAP. It also brought up a listing from an outfit in France who claimed they had a...

Hello all, I knocked up this in an hour on Saturday and it works like a dream. Satnav, phone, music all available on the dash board. Advantages: Low cost (€5), neat and unobtrusive. Disadvantages: Specific to one phone, I didn't finish off the surround very well. Parts needed: Phone cover...

Hello All, My car is a 1991 300CE-24 Sportline. It is an original Sportline supplied by MB. Some years ago, we fitted a Bilstein B12 kit (springs and dampers). We did this because the old dampers were a little tired. It’s been fine although harsher that the Sportline setup. The only down side...

Hello All, Recent 300CE-24 work involved solving a very minor stall issue. Injectors and seals had already been replaced – a revelation. During this we noted brittle/cracked idle control valve pipes so these were bodged back to life with some success and replacements ordered. However, the...

Hello All, A friend of mine in Paris has a 560SEL with a height issue. As I understand it, the car rises up when started but it never becomes level at the front. He reports that one (front) side's higher than the other. I haven't seen the car so can say no more and I've never owned one so much...

Hello all, A quick question on compatibility of wheels for winter tyres. My Sportline notmal filling is 7Jx15 ET41. I have been offered a set of 6.5Jx15 ET49. My plan is to fit the 6.5Js with winter tyres. Will this fit mu 30CE-24 Sportline with no issues? My thanks in advance...