What is the 2013-2019 Opel Mokka 1.4 Turbo Timing Chain Stretch / Cold-Start Rattle (A14NET/B14NET)?

The 1.4 Turbo petrol (GM Family-0, A14NET/B14NET) fitted to the first-gen Mokka and Mokka X suffers from timing-chain stretch and tensioner/guide wear, often appearing from around 80,000-100,000 km. A stretched chain alters valve timing and, if it skips, can cause serious interna… Repairs typically run $600-$1,800. Severity: high.

What is the 2021-2024 Opel Mokka Mokka-e Onboard AC Charger (Mahle 11kW) Failure?

The electric Mokka-e (and Corsa-e platform sibling) suffers from failures of the Mahle 11 kW three-phase onboard charger (OBC). When it fails, the car can no longer AC charge from a home wallbox or public AC point (often showing 'charging at 0 miles per hour' or charging briefly… Repairs typically run $0-$2,500. Severity: high.

What is the 2015-2019 Opel Mokka 1.6 CDTI EGR Valve & Cooler Carbon Clogging (P0401)?

The 1.6 CDTI diesel (B16DTH/B16DTU, 'Whisper Diesel') in the Mokka X is prone to heavy carbon build-up in the EGR valve, EGR cooler and intake, especially on city-driven cars. The ECU infers EGR flow from the MAF signal, so any restriction triggers P0401 (insufficient EGR flow) a… Repairs typically run $150-$700. Severity: medium.

What is the 2013-2019 Opel Mokka Diesel Particulate Filter (DPF) Clogging & Failed Regeneration?

On the CDTI diesel Mokka/Mokka X driven mainly on short city journeys, the DPF cannot reach the temperature needed for passive/active regeneration and progressively clogs with soot, often as early as 30,000-50,000 km. This produces reduced power, increased fuel use, repeated rege… Repairs typically run $200-$1,500. Severity: medium.

What is the 2013-2019 Opel Mokka Dual-Mass Flywheel Rattle / Clutch Judder (Manual Diesel)?

First-gen Mokka and Mokka X manual diesels (1.6/1.7 CDTI) commonly develop a metallic rattling or ringing noise from the bellhousing area, most noticeable at idle when warm or on the over-run. The cause is wear of the dual-mass flywheel's internal damper springs, sometimes accomp… Repairs typically run $800-$1,600. Severity: medium.

What is the 2014-2019 Opel Mokka Air Conditioning Condenser Leak / Compressor Failure?

The Mokka/Mokka X air-conditioning system frequently loses cooling performance at relatively low mileage. Common root causes are a leaking condenser (mounted low at the front and vulnerable to stone damage and corrosion), a defective expansion valve, or a failing compressor; 2018… Repairs typically run $200-$900. Severity: medium.

What is the 2020-2024 Opel Mokka Mokka-e 12V Auxiliary Battery Drain?

Mokka-e (and closely related Corsa-e, Peugeot e-208, DS 3 Crossback E-Tense — all CMP/eCMP platform) drains the 12V AGM auxiliary battery during long parking spells, leaving the car unable to wake or charge. Owners report drain as fast as 3-5 days of inactivity. The MyOpel smartp… Repairs typically run $0-$350. Severity: medium.

What is the 2013-2020 Opel Mokka Start-Stop System Malfunction / 12V Battery Parasitic Drain (ICE)?

Combustion-engine Mokka/Mokka X owners frequently report the Start-Stop system ceasing to function alongside a flat or weak 12V battery, sometimes after the car stands for a week or two. The AGM/EFB battery and its state-of-charge management are central: when voltage dips below r… Repairs typically run $150-$500. Severity: low.

Opel · Known Issues

2012-2025 Opel Mokka Problems: 10 Known Issues

2012-2025 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

Share:@au7o.io

All years · All trims · All engines

Choose the year and equipment for your written issues and visual request.

YearTrimEngine

No email neededHow interest is saved

Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy

Visual coming soon

Your interest helps us choose what to build next.

Visual Known Issues · Coming soon

$4.99/month plus taxes at launch · No payment today

Choose a year to request this visual. Trim and engine are optional; omitted trim is Not specified.

All 10 Known Issues

The second-generation Mokka B (built on the Stellantis CMP platform) uses the PSA/Stellantis 1.2 PureTech (EB2) three-cylinder turbo with a 'wet' timing belt that runs submerged in engine oil. Fuel dilution and oil contamination cause the belt rubber to break down prematurely; shed particles clog the oil pump pick-up strainer, starving the engine of oil, and the belt itself can skip teeth or snap. Because it is an interference engine, belt failure typically destroys valves and pistons. Affected cars also show excessive oil consumption. Stellantis acknowledged the defect and runs a PureTech compensation platform covering documented oil-consumption and premature-belt expenses on 1.0/1.2 PureTech cars, with extended warranty up to 10 years / 112,000 miles under conditions.

Common Symptoms

Rattling/whining from front of engine
Excessive oil consumption between services
Oil warning light
Loss of power or sudden engine failure
Metal/rubber debris in oil

How to Fix

Strictly follow the (shortened) oil-and-belt service interval with the correct low-SAPS oil; replace the wet belt, tensioner and oil pump strainer preventively (many indies convert/replace early). If oil consumption or belt debris is found, submit a claim through the Stellantis PureTech compensation portal / authorised dealer; catastrophic failures require a full engine rebuild or replacement.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

INA 530 0856 10 PureTech timing-belt and water-pump kit
Confirm Opel Mokka VIN, engine code and current belt/chain configuration.
OnlineCarParts UK
Laser 7317 PSA wet-belt inspection gauge
Use only with the manufacturer procedure and correct engine; it does not apply to chain-equipped engines.
eBay UK

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$700 - $6,000

Research This Issue

Google Reddit YouTube NHTSA

Community Reported

High ConfidenceVerifiedReviewed Jun 2026

Frequently Asked Questions

What are the most common Opel Mokka problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2012-2025 Opel Mokka has 10 documented issues. The most frequently reported are: Mokka A 1.7 CDTI Water Pump / Timing Belt Drive, 1.2 PureTech Wet Timing Belt Degradation / Failure (Mokka B), 1.4 Turbo Timing Chain Stretch / Cold-Start Rattle (A14NET/B14NET). Of these, 4 are rated critical and should be addressed promptly.

Is the Opel Mokka reliable?

The 2012-2025 Opel Mokka has 10 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 4 issues are rated critical: Mokka A 1.7 CDTI Water Pump / Timing Belt Drive and 1.2 PureTech Wet Timing Belt Degradation / Failure (Mokka B) and 1.4 Turbo Timing Chain Stretch / Cold-Start Rattle (A14NET/B14NET) and Mokka-e Onboard AC Charger (Mahle 11kW) Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Opel Mokka problems?

Repair costs for known Opel Mokka issues range from $0 to $6,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Mokka A 1.7 CDTI Water Pump / Timing Belt Drive, typically costs $700-$3,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Opel Mokka is the most reliable?

Reliability varies across model years of the Opel Mokka. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2012-2025 Opel Mokka with 10 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.

All 10 Known Issues

1.2 PureTech Wet Timing Belt Degradation / Failure (Mokka B)#

1.4 Turbo Timing Chain Stretch / Cold-Start Rattle (A14NET/B14NET)#

Mokka-e Onboard AC Charger (Mahle 11kW) Failure#

Mokka-e 12V Auxiliary Battery Drain#

Start-Stop System Malfunction / 12V Battery Parasitic Drain (ICE)#

Mokka A 1.7 CDTI Water Pump / Timing Belt Drive#

1.6 CDTI EGR Valve & Cooler Carbon Clogging (P0401)#

Diesel Particulate Filter (DPF) Clogging & Failed Regeneration#

Dual-Mass Flywheel Rattle / Clutch Judder (Manual Diesel)#

Air Conditioning Condenser Leak / Compressor Failure#

Other Opel Models